Explore leading backend developers in the United States who create strong server systems, manage databases, and ensure apps run smoothly and securely. Our curated list features vetted experts who focus on performance, scalability, and long-term reliability across modern tech stacks.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Leanware
VerifiedVerified by the DesignRush team for authenticity and credibility.Boutique Software Development Company
Boutique Software Development Company serving operators and startups that need strategy and execution under one roof...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Software Testing
- Staff Augmentation
- Show more
- Location
- Miami, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsLeanware Services
Data sourced from the agency's DesignRush profile2Moon Capital BackupTyping Blueback Global
Leanware Reviews & Testimonials
AI Development Review from Julia Antoci
Leanware built the mobile MVP of our AI fitness assistant for iOS and Android. It started with discovery workshops that sharpened the product vision and shaped an MVP roadmap prioritizing launch features while leaving room for expansions like avatars and real-time feedback. They developed a conversational AI engine with custom prompt and context engineering tailored to fitness conversations, one that keeps continuity across sessions, remembers user progress and preferences, and keeps health guidance within safety standards. On top of that they implemented photo-based food recognition, smart search that understands fitness intent, personalized recommendations, progress tracking with AI-generated insights and coaching suggestions, and gamified response formats that make AI answers easy to read, plus the scalable backend behind it all. Their consultation saved us an estimated 20 to 30 percent in costs by avoiding unnecessary complexity, and we launched a functional MVP across the app stores in under eight weeks, faster than planned. Project management was exceptional: clear timelines, on-schedule delivery, and proactive communication via Slack, with expert recommendations guiding decisions rather than every choice being pushed back to us. Their technical skill and creativity made the whole thing feel less like hiring a vendor and more like building with a co-founder.
Software Development Review from Anonymous
Leanware delivered two significant projects for our e-commerce platform along with a steady stream of smaller fixes and enhancements. They built a new employee management page in our back office so our customers can create accounts, set permissions, and link employees to entities on their own, and when our mobile app's chat functionality needed replicating in the back office, they built a custom chat and messaging React library from scratch, integrated seamlessly with our design system and existing bespoke solution. Along the way they worked comfortably across Next.js, React, React Native, Apollo, GraphQL, and Hasura, and adapted to our implicit conventions. We ran week-long SCRUM sprints with check-ins three times a week, and they consistently hit the sprint goals on time; even when we needed hard pivots mid-sprint, they adapted without losing pace. As the engagement progressed they increasingly took the lead, asking well-informed questions and offering suggestions on code, product, and design that genuinely enriched the outcomes. What impressed us most was how swiftly they onboarded: given incomplete product descriptions, they asked the right questions to fill the gaps and picked up our undocumented code patterns without getting stuck on minor details. It felt like one cohesive team working toward shared objectives, free of the friction that usually comes with a third party
Mobile App Development Review from Anonymous
Leanware has partnered with us since Q4 2023 on two cloud-based mobile apps for iOS and Android, one built in Flutter and one in React Native, handling development on both and the UI/UX design on one. For one project they staffed a team of five mid-level developers, a senior developer, an architect, and a UX designer available as needed. They also took over an app that was unstable and nowhere near production-ready and turned it into a stable, solid product I'm genuinely proud to show. Their processes leave nothing to chance and the code that comes out of them is excellent; they've been flexible and thorough throughout. They meet deadlines, keep their promises, and are careful about what they commit to. The whole team has been great, and Alvaro, their Technical Product Manager, deserves a special mention for being remarkable. I hired them because they were upfront about what they could and couldn't do, and that honesty, together with the tremendous quality of their work, is what separates them from other providers. Both are getting harder to find these days.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Azumo
VerifiedVerified by the DesignRush team for authenticity and credibility.Build Intelligent Apps for Web, Mobile, Data, AI and Cloud
Azumo is a SOC 2-certified web and software development company founded in 2016, delivering AI-augmented dedicated teams across React, Node.js, Python, and cloud stacks for clients including Meta, Twitter, Discovery Channel, and Omnicom. Well-suited for startups and enterprises needing nearshore development...
Top Services:
- AI Development
- Software Development
- Staff Augmentation
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAzumo Services
Data sourced from the agency's DesignRush profileDiscovery Channel Meta Zynga Jostens Assembled Brands NGL NCSoft Twitter Horoscope.com Bento
Azumo Reviews & Testimonials
Software Development Review from Michael S.
We selected Azumo to develop our software. We transitioned from another development company, so Azumo was initially responsible for migrating our existing code and environments. We are currently still working with Azumo as our nearshore software development team on adding new items to our software.
UI/UX Design Review from Anonymous
Azumo helped us migrate our existing UIs into a new framework, creating reusable components and the infrastructure needed for future development. The developer they assigned became a seamless part of our team, always punctual, responsive, and a great fit overall.
Software Development Review from Anonymous
Thanks to Azumo’s work, our product is now more scalable, optimized, and ready for a growing user base. Their team has managed the engagement effectively, keeping us updated and addressing any challenges along the way. We’ve appreciated their constant availability and proactive communication.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsQOLOS (pronounced "koh-lohs") is a U.S.-based software development company, specializing in building custom, high-performance digital solutions for brands that demand innovation. From complex ERP integrations to e-commerce solutions - you are in good hands with QOLOS...
Top Services:
- Web Development
- eCommerce Development
- WordPress Website Design
- UI/UX Design
- Software Development
- Show more
- Location
- Green Bay, Wisconsin
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $50,000 & Up
As a website development agency, Infinum makes it easy to turn your boldest ideas into digital products that streamline processes and grow your customer base. Superior solutions are born from our profound experience in design and technology, helping you reimagine and elevate your business...
Top Services:
- Web Development
- Web Design
- Mobile App Development
- UI/UX Design
- Software Development
- Show more
- Location
- Miami, Florida
- Number of Employees
- 250 - 499
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 24 Projects Listed
Sidebench is the top healthcare technology design and software engineering firm in the US. We combine strategy, design, technical architecture at every point of our process. We are known for delivering extraordinary business results...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Wearables
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 11 Projects Listed
iSimplifyMe is an AI Infrastructure & Orchestration firm. We architect and operate production AI on private AWS...
Top Services:
- AI Development
- Software Development
- Cloud Consulting
- CRM Consulting
- IT Services
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $299/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
We're a software development agency that builds products that scale. Our engineering-first culture and product-minded approach have powered success stories like Calendlythe scheduling platform that revolutionized meetings for millions...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- IT Services
- DevOps Consulting
- Show more
- Location
- West Hollywood, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
We help you recruit, hire, manage and scale world-class offshore distributed Software Teams. We also design and develop full custom software projects...
Top Services:
- Staff Augmentation
- IT Services
- Software Development
- Mobile App Development
- Show more
- Location
- Lakewood, Colorado
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt...
Top Services:
- Software Development
- Mobile App Development
- UI/UX Design
- Web Development
- Big Data Analytics
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $42/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Launch 3X faster and cheaper with our data-driven development approach. Valueans, your friend in the world of app development! We're all about custom application development and helping your business shine with the latest tech. Our team is great at making websites and apps that work well on phones, and we...
Top Services:
- Web Development
- Software Development
- Mobile App Development
- AI Development
- IT Services
- Show more
- Location
- Hillsborough Township, New Jersey
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
This January is an indie creative agency building brands that have to earn attention instead of buying it. Our design, creative, production and media buying teams sit side by side. Clients include Lufthansa Group, GRVTY, the International Spy Museum and ZURU...
Top Services:
- Advertising
- Creative Services
- Branding
- Web Design
- Social Media Marketing
- Show more
- Location
- Washington DC, Washington DC
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 Projects Listed
Diffco consistently provides cutting-edge digital craftsmanship, blending innovation with precision to elevate your online presence. A history of client success stories highlights our expertise in crafting seamless user experiences and scalable platforms, ensuring your brand thrives in the evolving digital...
Top Services:
- AI Development
- Software Development
- Staff Augmentation
- Mobile App Development
- Web Development
- Show more
- Location
- San Jose, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $110/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 31 Projects Listed
Digis is a Software Development company with a team of 200+ professionals dedicated to Custom Development (Web & Mobile) and design. We have a wealth of experience across several industries, particularly in Education, Healthcare, Fintech, E-Commerce, Media & Entertainment, GIS and Automotive...
Top Services:
- Staff Augmentation
- Web Design
- Web Development
- Mobile App Development
- IT Services
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $39/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 22 Projects Listed
Apptunix is a global product engineering company founded in 2013, delivering AI-powered, enterprise-grade software for innovation and scale. With offices in the USA, UK, UAE, and India, we serve enterprises, governments, and startups in over 50+ countries...
Top Services:
- Blockchain
- Web Development
- eCommerce Development
- Software Development
- AI Development
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 23 Projects Listed
ZERO NEGATIVE
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.Boutique studio creating tailored web experiences.
ZERO NEGATIVE is a boutique web development studio building custom websites, web apps, 3D web experiences, and e-commerce platforms for clients including Mercedes-Benz, KFC, Vodafone, and UNDP. A good fit for startups and growing brands wanting design-forward, technically ambitious web development...
Top Services:
- Web Development
- Web Design
- WordPress Website Design
- Branding
- UI/UX Design
- Show more
- Location
- Boston, Massachusetts
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsZERO NEGATIVE Services
Data sourced from the agency's DesignRush profileMercedes-Benz United Nations Development Programme KFC Vodafone Foundation GS1 Conad Curative Biotech
ZERO NEGATIVE Reviews & Testimonials
Web Development Review from Jaroslav Tyman Jr.
We contacted Zero Negative about a two stage renewal of our company website with a very aggressive timeline for the first stage. Zero Negative worked and guided us through pulling off the first stage within our timeline while also ensuring that the content and ideas for that stage were readily applicable to the full design. When we got to the full design, they were fully responsible for corralling the various preferences and ideas from our team into a well executed cohesive site. We're now in a good spot and look forward to continuing to work with Zero Negative as our business and needs grow.
Web Development Review from Susan E. Roberts
Zero Negative did an exceptional job designing my website, roberts-communications.com. From the start, they understood that this wasn't just about aesthetics it was about positioning, credibility, and clarity for a senior-level communications brand.They translated a complex, high-stakes business into a site that feels polished, modern, and authoritative without being flashy or over designed. The process was collaborative, efficient, and thoughtful, and they were responsive to feedback while also offering smart guidance when it mattered.The final result reflects exactly how I want Roberts Communications to be perceived: strategic, sophisticated, and trusted. I would highly recommend Zero Negative to anyone looking for a design partner who understands brand, not just web building.
Web Development Review from Anonymous
These guys are the best! We engaged with Zero Negative to develop a comprehensive web-based system for our factory that allows for managing orders, processes, and inventory. This initiative was essential for us to secure a big ticket client. We truly could not have accomplished this without their assistance. They dedicated considerable time to on-boarding and collecting the requisite information, followed by prototyping the software, and ultimately developing it from scratch. Overall, we are very satisfied.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsEffectiveSoft is an ISO 27001-certified web development company with 23 years of experience, 300+ developers, and 1,800+ projects for clients including Maersk, Axure, and CityIndex. An AWS, Google Cloud, and Microsoft partner with deep expertise in healthcare and fintech. Well-suited for enterprises needing...
Top Services:
- Software Development
- Mobile App Development
- Big Data Analytics
- AI Development
- ERP Consulting
- Show more
- Location
- San Diego, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 29 Projects Listed
Idea Maker is a U.S.-based software development agency helping businesses transform ideas into scalable digital products. Our expert team specializes equally in mobile apps, custom software, AI-powered solutions, and modern web platforms...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- AI Development
- Web Design
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
SumatoSoft helps global enterprises and ambitious startups bridge the gap between traditional digitalization and the AI frontier. As a premier AI software development company, we build more than just code; we engineer governed AI ecosystems and scalable platforms that turn raw data into a competitiv...
Top Services:
- Software Development
- Mobile App Development
- IoT
- UI/UX Design
- Big Data Analytics
- Show more
- Location
- Boston, Massachusetts
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
GLIDE® offers web design services with expertise in WordPress, Shopify and Webflow Development, along with digital marketing services for SMB and enterprise brands...
Top Services:
- Web Design
- Web Development
- SEO
- WordPress Website Design
- eCommerce Development
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
ZAPTA Technologies is a global technology partner helping startups and SMEs build, scale, and modernize software products through digital and AI innovation. We deliver secure, performance-driven platforms designed to grow with the business...
Top Services:
- Software Development
- Web Design
- Web Development
- Mobile App Development
- Software Testing
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Certified E-Commerce Development Company...
Top Services:
- eCommerce Development
- Web Development
- IT Services
- Web Design
- Mobile App Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 16 Projects Listed
Nika transforms companies by designing best-in-class experiences, driven by strong creative and rooted in technology, data, and strategy. We combine these capabilities to create a brand experience that grows businesses and people love...
Top Services:
- Branding
- Web Design
- Digital Services
- Web Development
- WordPress Website Design
- Show more
- Location
- San Jose, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $130/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Flyaps
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.AI & Cloud Software Engineering
Flyaps is an AI & cloud engineering company headquartered in New York, with delivery teams in Ukraine and Poland. For 12+ years, we've helped early-stage startups scale into unicorns and modernized legacy businesses into IT leaders...
Top Services:
- Software Development
- AI Development
- IT Services
- DevOps Consulting
- Cloud Consulting
- Show more
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFlyaps Services
Data sourced from the agency's DesignRush profileNetSpark IP & Telecom MyersBiz Net Yaana Airbyte Nextgen Clearing JOIN Relocate Shoelace Wireless
Flyaps Reviews & Testimonials
Python Django Review from Andrew Stetsenko
We partnered with Flyaps to build the GlossaryTech Chrome Extension from scratch, including the backend for tech terminology analysis. The goal was to help recruiters, sales professionals, and other non-technical specialists in IT quickly understand the technical terms they encounter every day.The first release shipped back in 2017, long before today's AI tools were available off the shelf. Flyaps built a custom tokenization layer on top of NLTK library to resolve the ambiguity problem - distinguishing "Go" the language from "go to the shop," or "Swift" the framework from the adjective, while also correctly recognizing multi-token terms like "Ruby on Rails" or "Amazon Web Services". It was a pragmatic, precise solution that made the extension genuinely usable from day one.The outcomes have validated that early bet. GlossaryTech now holds "Featured" status in the Chrome Web Store, has passed 25,000 downloads, and consistently serves 10,000+ weekly active users and 2,000+ daily active users. For a niche professional tool, that level of organic, sustained engagement is rare - and it traces directly back to the technical foundation Flyaps put in place.Beyond the engineering, what stood out was how Flyaps engaged with the product itself. They contributed to architecture decisions, flagged edge cases early, and treated scope conversations with honesty rather than upsell. Communication was straightforward throughout, deadlines were met, and the codebase has held up well as we've extended the product over time.I'd recommend Flyaps to anyone looking for a partner who combines solid engineering with genuine product thinking. They've been central to GlossaryTech's success and continue to be a team we trust.
Software Development Review from Dariia Ryzhova
Our collaboration with Flyaps has lasted for several major projects, of which I personally worked with them on two. I am very satisfied with the level of expertise (both technical and domain), the involvement and responsibility of the teams, and the quality of delivery. We successfully brought 2 major products to life together. Flyaps teams have diverse specializations, so I had the opportunity to attract consultants from different fields: software developers, including high-level architects, DevOps, QA, and business analysts.The teams have a modern technology stack and are experienced in Agile development. This allowed for smooth integration with internal teams and processes. It is also important to note that Flyaps provides technical consulting on demand, and this was very valuable service as well. Overall, I can recommend working with Flyaps as a reliable and high-quality partner.
ТОВ ХОТНАЙТС's Review Sourced from Google
Flyaps delivered outstanding results for our e-commerce store! They built a visually stunning and high-performing website that perfectly captures our brand. Since launching, our site speed has improved by over 60%, and we've seen a noticeable increase in our conversion rate. Their team's technical expertise is top-notch, and the new admin panel they created has made managing our operations so much easier. I am happy to recommend this team of professionals.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsEmergent Software is a full-stack technology solution provider specializing in the Microsoft ecosystem. We partner with our clients to modernize business operations with Microsoft-focused cloud transformation, custom software development, and data engineering...
Top Services:
- Web Design
- Web Development
- Mobile App Development
- Software Development
- Cloud Consulting
- Show more
- Location
- Minneapolis, Minnesota
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $190/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
Atomic Object is a top-rated custom software design and development consultancy. Our co-located, U.S.-based team works with executives to improve their bottom line by delivering new products, enhancing existing products, modernizing legacy products, and integrating AI into their software systems...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- Web Development
- Product Design
- Show more
- Location
- Grand Rapids, Michigan
- Number of Employees
- 100 - 249
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Ultrashield Technology is a top mobile app development company in INDIA, specializing in iOS, Android & cross-platform apps. With expertise in AI/ML, LLMs, and Blockchain, we deliver secure, scalable, and future-ready digital solutions trusted by startups and enterprises...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- Blockchain
- Web Development
- Show more
- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
End-to-end digital product design and engineering for enterprises and premium brands...
Top Services:
- Branding
- Mobile App Development
- Software Development
- AI Development
- Design Services
- Show more
- Location
- New York City, New York
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Redonk is a B2B digital experience agency. Since 2002 we've helped companies that sell complicated things make their products easier to buy and harder to forget. Our five practices cover strategy, brand, web, product design and marketing - all delivered . by an experienced team...
Top Services:
- Web Design
- Web Development
- UI/UX Design
- WordPress Website Design
- Digital Marketing
- Show more
- Location
- Plano, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Healthcare product design and development. We design and build patient and clinician experiences for digital health companies, providers, and MedTech, from first concept to launch...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- Product Design
- AI Development
- Show more
- Location
- Miami, Florida
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
COAX Software
VerifiedVerified by the DesignRush team for authenticity and credibility.COAX Software delivers smart software solutions for travel, transport & logisticsconnecting strategy, delivery, and growth to ship reliable, scalable, ROI-positive software...
Top Services:
- Web Development
- Web Design
- Mobile App Development
- eCommerce Development
- UI/UX Design
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Wve Labs is a digital product company bringing strategy, design, and engineering together to create mobile apps, web platforms, and custom software. Since 2015, we have partnered with startups, growth companies, and global organizations to design, build, and scale digital products...
Top Services:
- Mobile App Development
- Software Development
- UI/UX Design
- Product Design
- Web Development
- Show more
- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
At Cinnova, we treat your business as our own, combining design-thinking, engineering, and business acumen to solve complex challenges. Our flexible engagement models ensure tailored solutions that drive growth and efficiency...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- UI/UX Design
- Web Design
- Show more
- Location
- Cincinnati, Ohio
- Number of Employees
- 100 - 249
- Minimal Budget
- $25,000 - $50,000
Troy Web Consulting is a trusted guide for organizations, delivering high-quality, practical software solutionscustom web apps, mobile apps, and websiteson time and on budget. We specialize in solving business challenges through custom tailored software development...
Top Services:
- Software Development
- Mobile App Development
- eCommerce Development
- AI Development
- Software Testing
- Show more
- Location
- Cohoes, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $155/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 27 Projects Listed
Blennd is an award-winning digital marketing and web design agency based in Denver, Colorado. We partner with ambitious businesses to deliver strategy, web design, web development and digital marketing that connects and converts...
Top Services:
- Web Design
- Web Development
- Digital Marketing
- Branding
- SEO
- Show more
- Location
- Denver, Colorado
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
True Fit Marketing® is a full-service marketing firm that includes an in-house team of professionals with marketing expertise in strategy, content development, implementation, and evaluation. Our goal is to capture your stories and create awareness for your organization...
Top Services:
- Web Design
- Web Development
- Video Marketing
- Social Media Marketing
- Content Marketing
- Show more
- Location
- Canonsburg, Pennsylvania
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Paper Tiger is a brand and web design agency for B2B companies whose product moved faster than their marketing...
Top Services:
- Web Design
- Design Services
- Branding
- Web Development
- Digital Strategy
- Show more
- Location
- Ridgewood, New Jersey
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Facet Interactive is the go-to digital strategy agency. Our data-driven insight helps clients focus on higher-yield projects while we ensure strong returns through integrated marketing campaigns. We can step in as your product owner or CMO to provide direction when it comes to making informed product and...
Top Services:
- Web Development
- AI Development
- Software Development
- IT Services
- CRM Consulting
- Show more
- Location
- El Segundo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $25,000 - $50,000
Black Airplane turns consequential business problems into polished custom software. Our 30+ full-time, 100% USA-based strategists, product designers, and engineers deliver AI solutions, web platforms, and mobile apps used by more than 50 million people each month...
Top Services:
- Software Development
- Mobile App Development
- Product Design
- AI Development
- Web Development
- Show more
- Location
- Woodstock, Georgia
- Number of Employees
- Under 49
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
We're a software development company and outcome-focused engineering partner.Our approach is simple: use AI where it helps, and senior engineers where it matters. Because your business matters and so do your results...
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- Software Development
- Mobile App Development
- Staff Augmentation
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- Lewes, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
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- 4 Projects Listed
Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind...
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- Software Development
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- Newark, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
Vide Infra is a digital agency with 20 years of experience and a team of 30 professionals. We provide exceptional UX/UI design, web design, and web development services to clients worldwide, with a proven track record of success working with top-tier international clients. d web solutions for prominent EU...
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- Albuquerque, New Mexico
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Matic is a strategy, design, and technology partner. We help teams build brands, websites, and digital products that drive growth. Trusted by GoDaddy, Nextracker, Colorado Tourism, and Toast...
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- Denver, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $25,000 - $50,000
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- 8 Projects Listed
We specialize in AI-driven digital transformation. With more than 100 successful projects and six Fortune 500 clients demonstrating our technical expertise and cost-effective nearshore services...
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- Software Development
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- Miami, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
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- $25,000 - $50,000
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- 12 Projects Listed
Thinkitive is a custom software development company helping healthcare providers, startups, and enterprises build scalable digital products. We specialize in healthcare software, AI solutions, custom EHR/EMR development, web and mobile applications, cloud engineering, automation, and enterprise soft...
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- IT Services
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- Dover, Delaware
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Why build from scratch! Our Portal, Mobile and AI framework provides 30-40% increased time to market. Built with Enterprise Security/Compliance for Azure/AWS clouds. ContentActive (Houston) provides Strategy, UI/UX, Web/Mobile/AI/Automation/IoT & DevOps. Your Vision, Our Experts, Powerful Results!...
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- Houston, Texas
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Roboto Studio is a Next.js and Sanity agency in San Francisco. We build headless content platforms for companies that have outgrown their CMS, so marketing teams can publish without waiting on a developer. Recent work includes Tray.ai, Topaz Labs and Slingshot Bio...
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- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Geletka+ is an full-service, independent, creative-first agency based in Chicago. We help brands move faster and make a bigger impact by cutting unnecessary process and building integrated teams around the work that matters most...
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- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $25,000 - $50,000
Baal & Spots is a full-service digital marketing agency based in Houston, TX, that can manage everything across your marketing channels. Let us do the hard work while you focus on what matters most: running your business...
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- Houston, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $165/hr
- Minimal Budget
- $25,000 - $50,000
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- 1 Project Listed
TechQuarter is a custom software development company helping businesses accelerate growth through tailored digital solutions. Since 2014, we've partnered with startups and enterprises across finance, solar, healthcare, and mobility to deliver web and mobile apps, AI/ML systems, cloud infrastructure, and QA...
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- IT Services
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- Cheyenne, Wyoming
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
Whirlwind Technologies modernizes data infrastructure for organizations where accuracy and continuity are non-negotiable. Fifteen years across cloud data warehouses, engineering pipelines, and ML for fraud and anomaly detection. Assessment-first, no lock-in...
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- Oxon Hill, Maryland
- Number of Employees
- Under 49
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- $25,000 - $50,000
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Everything You Need to Know Before Hiring US Backend Developers
Why should businesses hire United States backend development companies instead of relying only on freelancers?
For companies building revenue-critical platforms, a US backend development company often offers greater stability than a single freelance developer, as they can provide multiple specialists across architecture, QA, security, DevOps, and project management.
According to the United States Bureau of Labor, the US had about 1.69 million software developerjobs in 2024, and employment for software developers is projected to grow 16% from 2024 to 2034, with roughly 129,200 openings per year across software development, QA, and testing.
That means replacing a single junior web developer can be expensive and slow, while a backend development agency in the United States can reduce delivery risk and knowledge concentration.
Access to a full engineering team instead of a single software developer
A freelancer is typically one full-stack software engineer with a specific skill set, while a company that employs a backend developer provides a multidisciplinary team of expert developers.
A typical backend team may include:
- Backend developer or backend engineer, including C developer, Python developer, and Django developer
- Software engineer or backend software engineer
- System developer
- Frontend developer or web developer
- DevOps specialists and QA engineers
The team-based structure allows API development, database architecture, and testing to happen simultaneously, which speeds up delivery and improves quality.
Higher reliability for complex projects
Freelance backend developers in the US can be excellent specialists, but businesses often face higher delivery risk when relying on a single person. If a freelancer becomes unavailable, the project can stall.
Large development teams reduce this risk by sharing responsibilities among multiple engineers, including senior backend engineers, staff backend engineers, and software developers. US backend development companies also use structured development processes, project management tools, and documentation standards to maintain continuity.
Proven industry adoption of outsourced development teams
Outsourcing software development to specialized United States backend developers or a staff software engineer has become a common strategy for companies that lack large internal engineering departments.
According to Statista, about 64% of companies outsource software development, demonstrating how common it is for businesses to rely on external stack developer teams rather than building everything internally.
Better scalability as the project grows
Modern digital products often expand quickly. What begins as a small backend service may eventually require multiple APIs, integrations, and distributed infrastructure.
Working with United States backend developers through an established company makes it easier to scale teams when needed. Instead of hiring another freelance stack developer and onboarding them individually, a top US backend development agency can quickly add additional engineers, such as a full-stack engineer, Java developer, or Python developer.
This scalability matters because the outsourcing and software development services market continues to grow rapidly.
The global IT outsourcing market is projected to reach $812.7 billion by 2029, reflecting companies' increasing reliance on external backend software engineering teams.
Long-term maintenance and support
Backend systems require continuous updates, security improvements, and infrastructure monitoring.
A US backend development firm typically provides long-term services such as:
- System maintenance and upgrades
- Security monitoring
- Performance optimization
- Infrastructure management
Freelancers often focus on short-term deliverables, while agencies are structured to provide ongoing support for production systems.
What experience should these developers have before working on large platforms?
A US backend developer working on these systems must understand distributed architecture, high-traffic infrastructure, and large-scale data management.
Cloud infrastructure and cloud-native systems
Gartner predicts that over 50% of enterprises will use industry cloud platforms by 2028, highlighting how central cloud infrastructure has become for modern applications.
Backend engineers working on large systems typically need experience with:
- AWS, Azure, or Google Cloud
- Containerization tools such as Docker
- Orchestration platforms like Kubernetes
- CI/CD pipelines and automated deployments
Distributed systems and microservices
Research shows that about 71% of enterprises now run microservices in production, demonstrating how common distributed architecture has become in modern software systems.
United States backend developers building these platforms need experience with:
- Microservices architecture
- Service-to-service communication
- Event-driven systems
- Message queues and streaming platforms
- API gateway patterns
Scalability and high-traffic applications
Large platforms must handle thousands or millions of requests per day. Backend engineers, therefore, need experience designing systems that scale under heavy load.
USA backend development companies working on these systems often implement:
- Load balancing
- Distributed caching
- Database sharding and replication
- Performance monitoring and observability
Well-designed microservices platforms can deliver significant performance improvements. Studies show that organizations adopting microservices architecture often experience up to a 63% increase in deployment frequency and a 70% reduction in recovery time after production incidents, improving system reliability and operational efficiency.
Expertise in database architecture and data consistency
Large platforms process enormous volumes of data, which makes database design a critical backend skill.
US backend developers working on large systems should have experience with:
- Relational and NoSQL databases
- Distributed data storage
- Data consistency strategies
- Query optimization and indexing
- High-volume transaction systems
How do these companies handle modern AI-ready and data-heavy applications?
AI applications depend on large datasets.
A US backend development agency designs data pipelines that collect, process, and store massive volumes of structured and unstructured information.
Global data creation reached about 149 zettabytes in 2024, and projections suggest worldwide data generation could exceed 527 zettabytes by 2029.
To handle this scale, developers often build data pipelines using technologies such as:
- Distributed databases and data lakes
- Real-time streaming systems
- Large-scale storage clusters
- High-throughput ETL pipelines
AI-driven products require infrastructure that can train, deploy, and run machine-learning models at scale. Backend teams build model-serving pipelines that integrate AI with existing applications.
This infrastructure market is expanding rapidly. The global AI inference market was valued at about $97.2 billion in 2024 and is expected to reach $253.8 billion by 2030, reflecting growing demand for production-ready AI systems.
Backend development teams, therefore, build systems that allow applications to:
- Run machine-learning models through APIs
- Manage GPU or high-performance compute resources
- Scale model inference across cloud infrastructure
Industry research shows that around 70% of organizations building generative AI applicationsuse vector databases and retrieval-augmented generation (RAG) to customize large language models with their own data.
Backend developers in the USA integrate these technologies into production systems so applications can:
- Search large datasets using embeddings
- Retrieve context for AI responses
- Connect proprietary company data with AI models
Research shows that organizations deploying AI at scale now run 11 times more production AI models than they did just a year earlier, reflecting how rapidly AI workloads are expanding.
To support this pace, backend teams build platforms that allow engineers to:
- Deploy new models safely
- Run A/B tests on AI features
- Automate model retraining pipelines
- Monitor model performance in real time
Should I hire a backend developer or a full-stack engineer for my project?
Choosing between these two depends on the complexity of your system and the types of features you need to build. Both roles are essential in modern software engineering, but they focus on different layers of an application.
Industry labor data suggests that the need for backend engineers is expected to grow by more than 20% between 2021 and 2031, reflecting the increasing importance of scalable server-side systems.
According to the Stack Overflow Developer Survey, about 27% of developers identify as full-stack engineers, compared with 14.2% who identify primarily as backend developers, showing how common the full-stack role has become in modern development teams.
| Factor | Backend developer/Backend engineer | Full-stack engineer |
| Primary focus | Server-side logic, APIs, databases, infrastructure | Backend and frontend development |
| Typical work | Builds APIs, manages data, integrates services, ensures performance, and security | Builds user interfaces and connects them with backend services |
| Best for | Complex systems, high-traffic platforms, heavy data processing | MVPs, startups, and smaller teams needing flexibility |
| Common technologies | Python, Java, C#/.NET, PHP, databases, cloud services | JavaScript/TypeScript, Node.js, frontend frameworks + backend tools |
| Role in teams | Designs and maintains backend architecture | Bridges frontend and backend development |
In large projects, backend work is often led by experienced engineers, such as a senior software engineer, a staff backend engineer, or a system developer responsible for platform architecture.
How do I evaluate a USA backend development company for complex API, cloud, and database work?
Software complexity is increasing rapidly, and about 78% of organizations say software systems are becoming more complex each year, according to global engineering surveys.
When evaluating a United States backend development company, businesses should focus on four main capabilities:
1. Experience building scalable APIs and integrations
The importance of API infrastructure continues to grow: the global API management market was valued at about $6.89 billion in 2024 and is projected to reach $32.77 billion by 2032, reflecting how central APIs have become in modern software ecosystems.
2. Strong cloud architecture and infrastructure expertise
According to Flexera's 2024 State of the Cloud Report, 94% of organizations already use cloud services, and 67% of enterprise infrastructure is expected to be cloud-based.
3. Advanced database design and data management skills
Global enterprise data volumes are expanding rapidly. IDC estimates that the global datasphere will grow to about 221 zettabytes by 2026, dramatically increasing the need for scalable data systems.
4. Mature engineering processes and architecture leadership
Companies should ask about:
- Automated testing frameworks
- Code review processes
- Monitoring and logging systems
- Incident response procedures
They improve reliability and reduce the risk of production failures in complex systems.
Sources
DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
- Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
- The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
4.8
4.8Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
5 Frequently Asked Questions About US Backend Development Companies
Which programming languages are most used by backend developers in the United States?
Backend development in the United States relies on several mature programming languages that support scalable APIs, cloud infrastructure, enterprise systems, and data-driven applications.
| Language | Properties | Commonly used frameworks/Used for |
| Python | One of the most widely used languages for backend services, data platforms, and AI-powered applications. |
|
| Java | One of the most widely used languages for enterprise backend systems, particularly in industries like finance, healthcare, and large SaaS platforms. |
|
| JavaScript/Node.js | JavaScript is traditionally associated with frontend development. |
|
| C#/.NET | Key backend language in the U.S., especially for companies building enterprise applications on Microsoft technologies. |
|
| PHP | Widely used by PHP developers building web platforms, content management systems, and eCommerce backends. |
|
The GitHub Octoverse 2024 report found that Python became the most used programming language on GitHub, overtaking JavaScript after more than a decade at the top.
According to recent hiring data, about 39.5% of recruiters are actively seeking a Java developer for their teams, making it one of the most in-demand skills in software development hiring.
The Stack Overflow Developer Survey 2025, which collected responses from tens of thousands of developers worldwide, reported that about 66% of developers use JavaScript, making it the most commonly used programming language overall.
What do US backend development companies do?
They design, build, and maintain the server-side systems that power modern digital products. The systems handle the logic, data processing, and infrastructure behind applications such as SaaS platforms, eCommerce websites, mobile apps, and enterprise software.
- Build and maintain server-side application logic: Writing the server-side code that powers applications, processes requests from users, executes business logic, and returns results to the interface.
- Design databases and manage application data: Creating and maintaining databases that store user accounts, product information, transactions, and analytics data. A backend engineer designs schemas, optimizes queries, and ensures fast data retrieval from systems such as SQL or NoSQL databases.
- Develop Application Programming Interfaces (APIs) and integrations: Building APIs that allow different systems to communicate. APIs connect web applications with mobile apps, payment gateways, cloud services, and third-party platforms.
- Build scalable cloud infrastructure: Building infrastructure that can support millions of users and large volumes of data, including cloud architecture, containerized services, microservices platforms, and automated deployment pipelines.
- Support security, performance, and reliability: Protecting data and ensuring applications run smoothly through authentication and access control, data encryption and security compliance, monitoring and error handling, and performance optimization.
- Build and maintain complex software platforms: Building the core infrastructure behind SaaS platforms, fintech and payment systems, healthcare applications, enterprise business software, and eCommerce platforms.
When should a company hire a senior backend engineer or a staff backend engineer?
Businesses usually hire a senior backend engineer or staff backend engineer when their software systems become complex enough that architecture, scalability, and technical leadership matter more than simply writing code.
At that stage, experienced engineers help companies avoid costly technical mistakes and build systems that can scale reliably.
Businesses typically start needing staff backend engineers once their team expands to 50 or more engineers or when existing architecture cannot support growth in users or product features.
Hire a backend engineer when your:
- The platform needs to scale to thousands or millions of users
- The engineering team begins to grow
- System architecture becomes a business bottleneck
- Backend systems require advanced performance optimization
Modern backend systems increasingly rely on microservices, cloud infrastructure, and container platforms. In fact, about 75% of backend roles now require proficiency with cloud platforms such as AWS, Azure, or Google Cloud, reflecting the critical role scalable infrastructure plays.
How much does it cost to hire backend developers in the United States?
The cost of working with a backend development company in the USA varies widely depending on the project scope, the engineer's seniority, and the complexity of the software system being built.
Market benchmarks suggest the following rates:
- Mid-level back-end developers: about $120-$160 per hour
- Senior full-stack or backend engineers: around $130-$190 per hour
- High-end enterprise engineering services: $300-$800 per hour for specialized projects and large consulting firms.
The mentioned rates are significantly higher than internal salaries because United States backend development companies also include project management, QA testing, DevOps, and infrastructure support within their pricing models.
Project pricing depends heavily on system complexity. Typical backend development budgets in the US market include:
- Small backend service or MVP: $20,00-$80,000
- SaaS platform backend: $80,000-$250,000
- Enterprise or large-scale platform: $250,000-$1,000,000+
How long does a backend development project usually take?
The timeline for a backend development project depends on the platform's complexity, the number of required integrations, and the size of the engineering team.
Some backend systems require up to 800 hours of backend development work for core infrastructure alone, depending on the number of APIs, integrations, and database features implemented.
| Project | Timeline | Backend scope |
| Startup MVP backend platform | 2-6 months | Core APIs, authentication, database setup, basic integrations, and initial cloud deployment |
| Mid-scale SaaS or web platform | 6-9 months | Scalable APIs, advanced business logic, database optimization, multiple integrations, and monitoring systems |
| Enterprise backend systems | 9-12 months | Distributed services, high-volume data processing, compliance features, complex integrations, and infrastructure automation |
| Large platforms with complex infrastructure | 12-18+ months | Microservices architecture, real-time processing pipelines, global cloud infrastructure, and large-scale databases |
Latest Trends Related to Backend Development
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