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.
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.

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 ReviewsAs 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
- Los Angeles, California
- Number of Employees
- 250 - 499
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 24 Projects Listed
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...
Top Services:
- Web Development
- Software Development
- Mobile App Development
- Web Design
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 33 Projects Listed
Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology...
Top Services:
- Mobile App Development
- eCommerce Development
- Software Testing
- Software Development
- UI/UX Design
- Show more
- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 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

Isadora Agency
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.Isadora Agency is an award-winning digital agency transforming how businesses connect, engage, and grow. We partner with ambitious brands and enterprise organizations at pivotal moments of digital evolution, bringing together strategy, creativity, and technology to solve complex business challenges...
Top Services:
- Product Design
- UI/UX Design
- Web Development
- Web Design
- Digital Marketing
- Show more
- Location
- Manhattan Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $165/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 16 Projects Listed
Propane is a San Francisco based brand, digital experience and platforms consultancy founded in 2003. The agency envisions, co-creates and builds brand and digital transformation platforms designed to deliver revenue, measurable outcomes and emotional connection (love)...
Top Services:
- Web Design
- UI/UX Design
- Web Development
- Digital Marketing
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
TDF (The Development Factory) is a Los Angeles based product and technology consultancy that empowers companies to design, build, and deliver software more effectively. By upskilling teams, embedding expert interim product leadership, and offering seamless augmentation services, TDF enhances clients internal...
Top Services:
- Software Development
- UI/UX Design
- Web Development
- IoT
- Mobile App Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Railsware is a product studio that turns funded ideas into products: fast with AI, built by a senior team that runs its own SaaS. We also take products founders built with AI tools and make them company-ready, and we add AI to products that already have users...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- IT Services
- DevOps Consulting
- Show more
- Location
- Pasadena, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $50,000 & Up
Montenegro Systems builds custom software and AI solutions for startups, growing businesses, and enterprises. We deliver end-to-end products and outsourced development teams, with a focus on construction, transportation, and real estate...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Staff Augmentation
- Managed Services
- Show more
- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Related Services in California
Related Web Development Specializations in California
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.








-preview-webp.webp)

