Our expert analysts identified the top Ruby On Rails developers in California that can build high-performance websites, applications, eCommerce stores, service marketplaces, online libraries and more using the feature-rich software. Discover the best companies in the table below and filter listings by price, reviews and size to choose one that fits your business needs.
Best Ruby On Rails Development Companies in California
163 Companies-Rankings updated: September 24, 2026
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.
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
Azumo Services
AI Development
Software Development
Staff Augmentation
Mobile App Development
Big Data Analytics
DevOps Consulting
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Discovery Channel
Meta
Zynga
Jostens
Assembled Brands
NGL
NCSoft
Twitter
Horoscope.com
Bento
Data sourced from the agency's DesignRush profile
Azumo Reviews & Testimonials
Michael S. Director at Software Development Company
5.0★
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.
Anonymous CTO at Healthcare Company
5.0★
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.
Anonymous VP Product & Engineering at Sales & Mktg Software Company
5.0★
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 Reviews
VerifiedVerified by the DesignRush team for authenticity and credibility.
Top US Mobile & Web App Development Agency
As web development experts, our foundation is built on AppMakers USA’s commitment to delivering robust digital solutions—whether it’s custom software, mobile apps, or enterprise platforms. The depth of our skillset guarantees superior outcomes in React, Node, AWS, WordPress, and more. Reach out anytime!...
Top Services:
Mobile App Development
UI/UX Design
AI Development
Software Development
Web Design
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Location
Los Angeles, California
Number of Employees
Under 49
Minimal Budget
$10,000 - $25,000
Portfolios Count
83 Projects Listed
AppMakers USA Services
Mobile App Development
UI/UX Design
AI Development
Software Development
Web Design
Staff Augmentation
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
CVS Pharmacy
Austin Ekeler (NFL Player)
ClassCalc
Number Hive
BookClub
Arcxis
Debate club
Bayut
Los Angeles Apparel
Sun Scooter
Data sourced from the agency's DesignRush profile
AppMakers USA Reviews & Testimonials
Yaakov Babani Manager at Growth Co.
5.0★
Small Business Review from Yaakov Babani
I work in client partnerships and one of the hardest things is remembering the context behind every relationship when you have a lot of them going at once. AppMakers NY created a better way to do that. At one point there was a client that had mentioned the same frustration three times and because the notes were scattered around, that pattern was completely missed. That alone made the project worth it. The team helped develop something that would actually be useful during a busy week, not another system people forget to update. I liked working with them and would absolutely use them for future projects.
Eliana Lubofsky Teacher at SAM School
5.0★
Mobile App Development Review from Eliana Lubofsky
AppMakers USA was a great experience! The team was professional, responsive, and easy to work with. They understood my ideas and helped turn them into a quality app. I'd definitely recommend AppMakers USA to anyone looking for reliable app development services.
Alexa Ginsberg Social Media Manager at Nanobébé
5.0★
Startup Review from Alexa Ginsberg
What stood out most about working with AppMakers USA was how attentive and helpful the team was throughout the project. They listened to our feedback, kept us updated and were always available when we had questions. Everything was handled professionally and we felt confident that our project was in good hands. Were very pleased with the final outcome!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.
Growing Brands Online
Digital Silk is an award-winning web development agency named Best Digital Agency of 2025, building custom websites, eCommerce platforms, and digital experiences for clients including Sony, P&G, Northwestern University, and Bang & Olufsen. A strong fit for mid-size to enterprise brands needing...
Top Services:
Web Design
eCommerce Development
Branding
Digital Strategy
Digital Marketing
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Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$150/hr
Portfolios Count
42 Projects Listed
Digital Silk Services
Web Design
eCommerce Development
Branding
Digital Strategy
Digital Marketing
WordPress Website Design
SEO
Web Development
Product Design
Digital Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Sony
Microsoft
P&G
IBM
AT&T
NYU
NFL
NASA
XEROX
Data sourced from the agency's DesignRush profile
Digital Silk Reviews & Testimonials
Lauren Maffei Johnson COO at BIZROK
5.0★
WordPress Website Design Review from Lauren Maffei Johnson
Our company had such a wonderful experience with this team! Their design work is top-notch, and they did a really wonderful job of walking us through the process, but also finding ways to go above and beyond with things we needed additional help with, such as connecting Google Analytics. Highly recommend and would use again.
Sarah Balducci Director of Marketing at BCI Worldwide
4.8★
Web Development Review from Sarah Balducci
The team that I worked with was fantastic and was able to give my company a stunning website, every idea came to life. The team of Emily, Monica and Violet was always available and with a smile on there faces. Great company to work with.
Elma Madzar Founder at Fashion Myway
5.0★
Web Development Review from Elma Madzar
The landing page looks great and got positive feedback. They did a great job taking direction, following my vision, collaborating, and suggesting alternative options. Overall easy, collaborative, and great execution of vision.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.
An Award-Winning Agency That Builds It Right
An Award-Winning Agency That Builds It Right
Goji Labs is a web development company with 12+ years of experience, 500+ products launched, and 25M+ users supported, building on WordPress, Webflow, React, Next.js, and Node.js for clients including KCRW and Hard Assets Alliance. Its clients have raised $1B+. A strong fit for startups and growth-stage...
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.
Meet The Partner Behind Your App's Success | Make It App'n!
Meet The Partner Behind Your App's Success | Make It App'n!
Meet your award-winning app development team, dedicated to turning your vision into scalable and profitable digital apps and software...
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Design. Rank. Grow | Award Winning Digital Marketing Agency
Design. Rank. Grow | Award Winning Digital Marketing Agency
Funnel Boost Media builds WordPress and Shopify websites paired with SEO and PPC for local businesses in home services, legal, and healthcare. A Google Partner and Forbes Advisor Best SEO Services 2024 pick. Best suited for small businesses wanting a website and marketing strategy in one...
Zazz sets the standard by delivering enterprise-grade solutions as a premier web development company. A record of innovation underscores our work in custom software, cloud infrastructure, and cybersecurity, enabling clients to overcome complexity and accelerate growth with scalable, secure digital platforms...
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.
Build software people actually pay for.
Build software people actually pay for.
Designli is a web and custom software development agency with 200+ product launches, building web apps, SaaS platforms, and cross-platform products in React Native for clients including Michelin, Hearst, and EarthLink. AI-empowered teams deliver features up to 3x faster. Best suited for non-technical SaaS...
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.
Top Rated SEO Agency by Forbes, USA Today, Backlinko, & Search Engine Land
Top Rated SEO Agency by Forbes, USA Today, Backlinko, & Search Engine Land
Searchbloom is an award-winning, performance-driven digital marketing firm specializing in SEO, PPC, and CRO. We build custom strategies around business models and margins, execute under one roof, and stay accountable to measurable revenue focused results for mid market and enterprise brands...
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...
Absolute Web is an eCommerce development and growth agency with offices in Miami, Florida and Los Angeles, California. We specialize in Magento development and have been helping eCommerce businesses since 1999...
HDWEBSOFT is a leading software outsourcing company in Vietnam, known for its high-quality services, affordable pricing, and reliable team. With over 250 experienced engineers and a decade of expertise, HDWEBSOFT has helped businesses of all sizes from around the world to develop and launch successful...
Helping Forward Thinking Companies Transform Digital Visions Into Value
Helping Forward Thinking Companies Transform Digital Visions Into Value
Award-winning USA-based Generative-AI consultancy developing the future of intelligent solutions. We revolutionize business with cutting-edge, responsive AI technologies delivered cost-effectively, and specialize in delivering projects on-time and within budget...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Google Premier Partner - Conversion digital marketing since 2001
Google Premier Partner - Conversion digital marketing since 2001
We are an award-winning digital marketing agency located in Columbus, OH, dedicated to helping remarkable brands reach exceptional outcomes. Backed by more than 24 years of experience and a team with over a century of combined expertise, we understand what it takes to deliver real results...
Ramotion is a San Francisco/Burlingame, California based digital product studio founded in 2009. The boutique agency blends brand strategy, UX/UI, web and mobile design, and front-end development to support startups through Fortune 500 companies. With a curated client roster and a team of ~70...
Award WinnerRecipient of a Best Design Award for outstanding work.
Smarter Digital Marketing & Web Assets
Smarter Digital Marketing & Web Assets
Smarter Digital Smarter Marketing | Smarter Web Assets & Digital Platforms | Smarter Branding — Storm Brain is a premier full-service digital agency renowned for crafting and executing comprehensive digital marketing campaigns, brand strategies, UI/UX design, web, and ecommerce development...
Keep Your Business Competitive in an App-Connected World.
Keep Your Business Competitive in an App-Connected World.
Expert website design and development - mobile application development - API integration: we do it all! Your online presence can't be left to just anyone. We are an agile-focused agency with a high client satisfaction rate. Whatever you need to build to scale your business - we'll help you build it the...
With over 10 years of expertise, AgileTech Vietnam stands at the forefront of delivering innovative technology solutions across a wide range of industries. Our team of 300+ skilled developers has completed more than 1,000 successful projects, ranging from dynamic startups to large-scale enterprises...
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.
Result-Driven Agency for Impressive Websites and Branding
Result-Driven Agency for Impressive Websites and Branding
DD.NYC® specializes in modern branding, world-class web design, and innovative graphics. Client roaster including Scholastic, Forbes, VTS, L'Oreal - DD.NYC® is a creative team with detail, ideas, and a solid process...
Your Partner in WEB3 and Advanced AI for Enterprise Development
Your Partner in WEB3 and Advanced AI for Enterprise Development
Solu Lab is a prominent company based in the USA and Canada, specializing in various cutting-edge technologies such as smart contract development, blockchain, chatbot solution, mobility, AI, and IoT development...
Solving complex problems with design and technology since 2005.
Solving complex problems with design and technology since 2005.
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...
At Rootstrap, we help companies scale people, processes, and products through outcome-driven development. We’ve helped launch more than 750+ digital products with more than 100 million combined downloads...
We Craft Compelling Brands for the Ambitiously Bold.
We Craft Compelling Brands for the Ambitiously Bold.
At Revelation, we excel in creating remarkable brands that blend digital innovation with tangible products. Dive into our website to discover the projects we've proudly worked on, highlighting our imaginative prowess in full swing...
The fact that we prioritize our clients above everything else sets Futuristic Web Studios apart from the competition among advertising firms. We will question you about your design preferences and then create one-of-a-kind website designs based on your ideas as well as our own creativity. We will not ask you...
We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...
As a web development company specializing in building high-load complex products, we are passionate about sharing our expertise and keeping you updated on the latest advancements in these key areas...
Discover the future of digital marketing with Quadra Digital Solutions, a leading Digital Marketing Company headquartered in California. With a passionate team spread across the USA and Germany, we bring together the brightest minds in development and sales. Since our founding in 2018...
Award WinnerRecipient of a Best Design Award for outstanding work.
RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth
RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth
RNO1 is a global branding and digital growth agency for modern brands that refuse to play it safe. We design Radical Digital Experiences that don't just look good: they drive real growth...
Brainbox is an expert agency in web design, UI/UX, branding, graphic design, and packaging design, aimed at helping businesses and organizations develop cohesive and effective visual identities. Our team of experienced designers and developers collaborates closely with clients to understand their business...
Metajive helps brands grow through design, technology & modern marketing.
Metajive helps brands grow through design, technology & modern marketing.
Webby Award-winning enterprise digital experience agency specializing in connected commerce, Shopify Plus & AI-powered products. 21 years. Google, Lyft, HP, Nike, Porsche. $250k$1M+ builds. Inc. 5000 #1601. FT Americas' Fastest Growing #131. Part of Together Group. Encinitas, CA...
Female-Led, Strategy-Driven, Boutique Digital Marketing Agency.
Female-Led, Strategy-Driven, Boutique Digital Marketing Agency.
SLTC is an award-winning, female-led, strategy-driven growth agency that excels in active listening. We partner with consumer product brands that genuinely care about purpose and growth, ensuring that their voices shape our strategies every step of the way...
iVelopment delivers cutting-edge IT solutions that drive business success. With a focus on personalized service and innovative technologies, we provide tailored software development, systems integration, and IT staffing to help companies stay ahead in a rapidly evolving digital landscape...
Enterprise AI Solutions | Scalable . Flexible. Sustainable
Enterprise AI Solutions | Scalable . Flexible. Sustainable
Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...
Software Outsourcing & Development | 500+ Active Clients
Software Outsourcing & Development | 500+ Active Clients
Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies...
Vention is an ISO 27001-certified web development company with 20+ years of experience and 500+ clients, building across .NET, Java, Python, Node.js, Ruby on Rails, and Django for fintech, healthcare, retail, and edtech. Covers the full cycle from UI/UX to QA. Well-suited for mid-size to enterprise teams...
Right Tail provides a high-performance Product Software Development and IT Staff Augmentation team built for speed, precision, and outcomes. We partner with startups, scale-ups, and enterprise technology companies to design, build, and scale world-class digital products...
A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner
A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner
Leveraging 30 years of excellence designing, developing, deploying and supporting world-class software solutions, Kanda Software has established itself as a trusted Software Development, Cloud Engineering, DevOps and QA partner for companies ranging from innovative startups to large enterprises...
The diversity of work and bleeding-edge qualities of our in-house team reflects the expertise and experience they inherent. The assorted mindsets of our skilled teams enable us to dive deeply into the needs, goals, and objectives of the clients. With a fistful of data, we put together all the info...
Top-rated Mobile Apps, AI/ML, Blockchain Development Company.
Top-rated Mobile Apps, AI/ML, Blockchain Development Company.
Junkies Coder is a leading technology solution provider across 15 countries and 50+ Rockstar Developers is our strength, We're specializing in web development, Top-rated Mobile App Development, and innovative solutions. Our experienced team is dedicated to delivering high-quality service and support to help...
We help B2B companies turn complex services into high-performing sites through beautiful design.
We help B2B companies turn complex services into high-performing sites through beautiful design.
Axamo is a Webflow Professional Partner specializing in beautiful, conversion-focused websites for B2B teams. We've partnered with 35+ companies like ColdIQ, Flosum, & Coverbase. We work primarily with enterprise SaaS, Dev/Web Ops, Data/Cybersecurity, and Professional services...
ThirdEye Data Transforms Enterprises with Data & AI Solutions & Services. ThirdEye Data leverages Artificial Intelligence & Data technologies to build AI applications for enterprises worldwide...
iApp Technologies: Trusted digital product development partner helping brands turn ideas into powerful & scalable solutions. We specialize in designing and building high-performance Web and Mobile Apps (iOS + Android) that align with evolving market demands and deliver measurable business impact...
Award WinnerRecipient of a Best Design Award for outstanding work.
Web Design | Development | Marketing
Web Design | Development | Marketing
Our clients achieve conversions not just because of their website's stunning visuals, but also due to its SEO-optimized content and captivating videos, drone footage, and photography. We strategically craft everything with unforgettable programming and an intuitive user interface...
Find & Hire Developers, Designers, Product Managers and Project Managers
Find & Hire Developers, Designers, Product Managers and Project Managers
Coders hiring platform combines the planetary reach and AI to deliver your ideal Developers in order to help you spin up your Software Development dream team...
At Quartz Digital Agency, we don't just build websites -- we craft digital experiences that drive results. As a full-service web development and digital marketing firm, we specialize in Web Design, Development, Maintenance/Management, SEO, Social Media, Digital Ads, and IT services...
Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions
Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions
Altoros is a 350+ person strong IT consulting and development group. For over 20 years, we've been assisting Global 2000 organizations in getting software products to market faster and reducing the cost of R&D experiments to enable stable business growth...
Lollypop Design is a global UX UI and Interactive Design Company on a mission to empower and touch a billion lives across the world through world-class digital experiences...
Outsource Your Software Development Services to DreamzTech, the 10 Yrs.+ Exp. Award-Winning Software Design & Development Company based in USA, UK, India & South Africa. Hire World-Class Offshore Developers at $20/HR trusted by Startups, SMBs to Fortune 500 Brands. Get a 15 Days Free Trial!...
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