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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
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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 ReviewsWe Make the Impossible Case Possible.
Matellio is a leading software engineering studio, recognized globally for delivering intelligent solutions powered by Artificial Intelligence and Machine Learning. We specialize in developing customized AI solutions tailored to various needs of businesses under different industry verticals...
Top Services:
- AI Development
- IoT
- DevOps Consulting
- Cloud Consulting
- Mobile App Development
- Show more
- Location
- Denver, Colorado
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 26 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMatellio Inc. Services
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Matellio Inc. Reviews & Testimonials

Web Development Review from Undisclosed
Matellio is one of the best organizations I have had a chance to work with. Their unique approach to becoming an integrated extension of our corporate programming staff provides us with the ability to design and implement solutions in an ever changing environment.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsProduct, engineering, and AI partner for high-growth companies.
OAK'S LAB is a product, engineering, and AI partner for high-growth companies, not a generic dev shop. We embed alongside product teams to design, build, and scale production software, with deep experience in regulated industries: finance, healthcare, cybersecurity, and education...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- UI/UX Design
- AI Development
- Show more
- Location
- Prague, Czech Republic
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOAK'S LAB Services
Data sourced from the agency's DesignRush profileNASDAQ Private Market PlexTrac Vette Crave Capital Markets Gateway Karus Plotify Storyvine West Tenth Dot Residential
OAK'S LAB Reviews & Testimonials
Aydar Ageev's Review Sourced from Google
It's probably a wonderful feeling to go to work, being able to feel the tourist hustle and hear the sound of the clock from the Old Town Square.
Aleksandar Chernev's Review Sourced from Google
Such an awesome event. It was so well organized and I was so pleased to meet Oak’s Lab awesome team.
Adam Mazouz's Review Sourced from Google
This was one of the best meetups of the year for me. The ambiance, the vitality, and the community they brought together. P.S: The office location is winning big times.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe deploy secure AI solutions that deliver positive ROI within weeks.
NineTwoThree AI Studio is a Boston-based AI agency that builds secure, production-grade AI and ML solutions with measurable ROI. Founded in 2012, our Ph.D.-level engineers and certified product managers have delivered 150+ projects for enterprise brands and startups alike...
Top Services:
- AI Development
- Mobile App Development
- IoT
- Software Development
- DevOps Consulting
- Show more
- Location
- Danvers, Massachusetts
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNineTwoThree Services
Data sourced from the agency's DesignRush profileFanDuel Consumer Reports VSAC Skylight Raycon K&L Wines Prisonology Dataflik Wheels Now Amerit Fleet
Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA.
K-Optional Software: where your success is our success. From secure solutions that scale to an uncompromising focus on return on investment, we're the company that delivers. Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $50,000 & Up
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsK-Optional Software, LLC Services
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K-Optional Software, LLC Reviews & Testimonials

Software Development Review from Michael Levy
Flowty is a blockchain-based platform providing various transaction services around NFTs. K-Optional wears many hats in support of Flowty including Front End, Back End, business strategy, SEO and more.The K-Optional team has been incredible to work with. They are proactive, supportive, smart, thoughtful and, most importantly, fit seamlessly into our team and company culture. To put it succinctly, we tried to hire them full-time...and then tried to buy their company to acqui-hire them.Some of their strengths include: reliability, responsiveness and creativity. There are many groups out there that can perform some version of the work we are looking for. There are not many groups that are responsive at all hours of the day, deliver consistently and able to present data-backed business strategies.

Software Development Review from Jane Smarovozova
We collaborated with K-Optional to develop a custom inventory management dashboard tailored for real estate clients. We provided the creative vision and detailed designs, while their team focused on the software development, ensuring that every element was implemented perfectly. We worked hand-in-hand flawlessly, resulting in a sleek, user-friendly interface that not only looks great but functions seamlessly. The synergy between design and development allowed us to deliver a product that exceeded client expectations, combining aesthetics with powerful functionality.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsGlobal boutique consultancy in Digital Strategy and AI
Kocoro is a boutique AI consultancy and digital growth studio. We integrate AI into real business processes — governed and measured — and build B2B growth systems that compound: SEO, GEO, web and thought leadership. Special focus on financial services and M&A firms...
Top Services:
- Web Development
- Digital Strategy
- Public Relations
- Web Design
- SEO
- Show more
- Location
- San Cristóbal de La Laguna, Spain
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsKocoro Services
Data sourced from the agency's DesignRush profilePaseo Studio Decimal Studio Pentagram NY
Digital Strategy, Branding, Web Design & Development.
Blacksmith Agency stands as a leading force in the realm of digital product development and online experiences. Founded on the principles of aligning with user expectations and leveraging data-driven insights, our agency is dedicated to empowering our partners in their pursuit of growth, innovation, and the...
Top Services:
- Digital Services
- Web Design
- Web Development
- Branding
- eCommerce Development
- Show more
- Location
- Phoenix, Arizona
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBlacksmith Agency Services
Data sourced from the agency's DesignRush profileGoogle General Electric Voss Water Coastal Community Bank Edmunds SilkRoad Technology Rao's Homemade CBS Rental & Supply New York Country Lawyers Association Bragg Companies
We build great software that builds your bottom line
Dualboot is a business and software development company. We build great software, but we base our success on whether it helps your business grow...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- AI Development
- Staff Augmentation
- Show more
- Location
- Raleigh , North Carolina
- Number of Employees
- 250 - 499
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDualboot Partners Services
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Dualboot Partners Reviews & Testimonials
Nelson Santini's Review Sourced from Google
Phenomenal team to work with. From Sales to Engineering, Customer Service and at the highest level of leadership, the DualBoot partner team is simply great.They are consistent and interested in your success. Once their engineering team has learned your stack, you can't tell from inside to external resources. Work just gets done. I recommend them w/o reservations; start-up or well established firm, you are in great hands with the DualBoot team!
Geoff Eloge's Review Sourced from Google
Dualboot has been a great partner for our fintech startup. Their knowledge and expertise have been critical in guiding us towards launch. We'd highly recommend them for anyone who needs a trusted technology partner.
Dan Sperau's Review Sourced from Google
We have been working with Dualboot for close to a year and the process is perfect. The team is responsive, knowledgeable and talented. The Dualboot team has taken the idea of software and allowed it to be simplified for non-tech minded people. I would recommend them to anyone.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsProduction AI you're not allowed to get wrong.
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsiSimplifyMe Services
Data sourced from the agency's DesignRush profileBartco Lighting Dr Jay Calvert Signature Dentistry
iSimplifyMe Reviews & Testimonials
Dr. Millicent Rovelo's Review Sourced from Google
I could not be happier with this company! I have had two websites designed by them and the whole experience was amazing. Their technology and skills are top of the line and their customer service is excellent. Not to mention a good eye for aesthetics and skilled at SEO building. Highly recommend!!
Nikki Lazzara's Review Sourced from Google
Joe and James and AJ have done wonders for our business. Excellent design as well as support while we navigate our new website. Professional. I highly recommend them if you are looking to improve your digital marketing.
Anita Patel's Review Sourced from Google
I’ve worked with ISimplifyMe on a number of different projects over the years, and I think they are second to none. I am very particular about whom I choose to work with, and had interviewed a lot of companies before deciding to go with ISimplifyMe. I had contemplated going with a local company (Los Angeles), thinking it may be easier to communicate, but with ISimplifyMe the time difference was a nonissue. They replied faster and more thoroughly than local companies, and have been able to deliver time and time again. They have consistently produced high quality work, while being honest, reliable, and trustworthy.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsIn Code We Trust
Code Of Us is a company that specializes in delivering custom software solutions to businesses of all sizes...
Top Services:
- Web Design
- UI/UX Design
- Web Development
- IoT
- Mobile App Development
- Show more
- Location
- Zagreb, Croatia
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCode Of Us Services
Data sourced from the agency's DesignRush profileTeorem Å kolska Knjiga Rimac Automobili
Your Tech Partner for EdTech Innovation
We build and scale EdTech platforms ready for real-world complexity, district integrations, and compliance...
Top Services:
- Mobile App Development
- Web Development
- Staff Augmentation
- AI Development
- Software Development
- Show more
- Location
- Montevideo, Uruguay
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $50,000 & Up
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNeoCoast Services
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Frequently Asked Questions About React.js Developers
What are the typical React.js development services?
React.js development companies provide end-to-end services that span the entire software development lifecycle, from strategy and design to development and launch. Core services include:Â
- React.js consulting: Guiding businesses on building and optimizing their React applications through component selection, architecture design, and roadmap development.Â
- Custom React.js development: Engineering applications tailored to a business's specific needs, goals, and existing IT infrastructure, and typically include web design and web development. Â
- UI/UX design: Delivering intuitive interfaces, clear user flows, and standardized design systems that align with a brand and its target users.Â
- API integration: Connecting the React frontend to back-end systems, third-party tools, and external data sources to support seamless functionality and user experiences.Â
- Platform migration: Rebuilding or migrating legacy frontends to React to improve maintainability, usability, and performance, often with minimal disruption.Â
- Maintenance and support: Providing post-launch monitoring, debugging, performance optimization, and technical support.Â
Many React.js developers also offer specialized expertise, including SaaS products, web application development, customer portals, eCommerce solutions, and minimum viable products (MVPs). Â
Some React.js development companies may also offer digital marketing services, such as content marketing, search engine optimization (SEO), and branding.Â
What is the difference between React and React Native?
The main difference is that React is used to build web user interfaces, while React Native is for developing mobile applications. Here are more details on their differences:Â
| Â | React | React Native |
| Primary platforms | Websites, web applications, and single-page applications | iOS and Android mobile apps |
| Tech base | JavaScript/TypeScript with React for web UI | JavaScript/TypeScript with React, rendered through native UI components |
| Best for | Businesses building browser-based products, customer portals, dashboards, eCommerce sites, and SEO-focused web experiences | Businesses building cross-platform mobile apps for both iOS and Android with shared logic and accelerated development time |
| Examples | Facebook, Instagram, Netflix web | Microsoft Teams and Shopify |
What are the typical React developer tools?
React.js developers typically choose their stack based on a client's product goals, technical requirements, and existing systems. For example, they may use Formik for complex forms and validation, Storybook for developing and testing components in isolation, and MUI for production-ready UI components and design systems.Â
Common React developer tools:Â
- Core front-end: React, JavaScript, TypeScript, HTML, CSSÂ
- State and data fetching: Redux, TanStack QueryÂ
- UI and styling: Tailwind CSS, MUI, StorybookÂ
- Testing: Jest, React Testing Library, CypressÂ
- Back-end options: Express, Laravel, Rails, ASP.NETÂ
- Databases and infrastructure: PostgreSQL, SQL Server, RedisÂ
Can React.js developers build AI-powered features into web applications?
Yes. A React.js developer can build AI-powered features into a web application by integrating model APIs, SDKs, and AI workflows into the product experience. Â
Depending on your goals, this may include providers such as Google Gemini or Anthropic Claude, along with React developer tools, like Vercel's AI SDK for building chat, search, recommendation, and automation experiences in React-based apps.Â
These companies can help you build features such as:Â
- Personalized content and recommendations based on user behaviorÂ
- Chatbots and virtual assistants for real-time customer supportÂ
- Smart search with autocomplete, semantic search, and related-result suggestionsÂ
- AI-assisted dashboards that generate summaries, reports, forecasts, and insights from business dataÂ
When should you hire a React.js development company instead of using an in-house team?
The right choice depends on your project goals, internal capacity, timeline, and need for control. You may want to hire a React.js development company if:Â
- You have a short-term or time-sensitive project, but your internal team is already at capacity.Â
- You do not have the specialized expertise required for the project, such as React architecture, performance optimization, migration, or AI feature integration.Â
- You need to accelerate delivery without hiring and onboarding a full internal team.Â
- You want access to a broader range of skills, such as design, front-end engineering, QA, and post-launch support, through a single external partner.Â
- You need temporary support to fill skill gaps or expand delivery capacity.Â
Use an in-house team when:Â
- The application is a core business product that requires long-term ownership and deep institutional knowledge.Â
- The project involves highly sensitive systems, proprietary logic, or strict security and compliance requirements.Â
- You need close day-to-day collaboration, faster internal feedback loops, and direct control over priorities.Â
- The product requires continuous iteration and alignment with multiple internal teams over time.Â












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