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.
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...
Top Services:
- Mobile App Development
- Web Development
- WordPress Website Design
- eCommerce Development
- Digital Services
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 15 Projects Listed
Appventurez is a global AI and digital transformation company specializing in custom software, mobile app, web, and enterprise application development. We build scalable technology solutions that help businesses innovate, automate, and grow...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- VR/AR
- eCommerce Development
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
YES IT Labs is a top software development company delivering innovative, high-quality solutions tailored to client needs. Our expert team uses cutting-edge technology to turn ideas into reality. Services include custom software, mobile/web apps, IT consulting, and more...
Top Services:
- Web Development
- eCommerce Development
- UI/UX Design
- Mobile App Development
- Software Development
- Show more
- Location
- Laguna Beach, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
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...
Top Services:
- Mobile App Development
- Software Development
- Software Testing
- Wearables
- CRM Consulting
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Product Design
- Software Testing
- Show more
- Location
- Burlingame, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Azilen Technologies is a prominent enterprise AI development company that takes pride in delivering exceptional AI, Data, and HRTech solutions to organizations seeking digital transformation...
Top Services:
- AI Development
- Software Development
- IT Services
- IoT
- Cloud Consulting
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
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...
Top Services:
- Mobile App Development
- IT Services
- Software Development
- Staff Augmentation
- IT Compliance Solution
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $45/hr
- Portfolios Count
- 36 Projects Listed
Founder-led IT staff augmentation for small-mid companies. We solve problems you haven't fully scoped yet...
Top Services:
- eCommerce Development
- Software Testing
- AI Development
- Mobile App Development
- Software Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Grazitti Interactive, a global leader in digital innovation, offering AI-driven solutions to drive customer success. We specialize in Salesforce, marketing automation, analytics, and more, partnering with industry giants to deliver results-oriented solutions for clients...
Top Services:
- Graphic Design
- Video Production
- Web Design
- Web Development
- Digital Marketing
- Show more
- Location
- Mountain View, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
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...
Top Services:
- Software Development
- Mobile App Development
- Web Design
- Web Development
- Staff Augmentation
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Ambsan Digital is a full stack company specializing in high-performance web and mobile app development. We transform ideas into scalable digital products, offering end-to-end services from UI/UX design and custom web platforms to native and cross-platform mobile applications. Our expert developers focus on...
Top Services:
- Mobile App Development
- Web Design
- Web Development
- Software Development
- UI/UX Design
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Clap Creative is your next door tech firm in Los Angeles offering full-range web services under one roof. An experienced team of web professionals works to create custom internet solutions to meet your business goals. And when we say partners, we mean it!...
Top Services:
- Web Design
- Web Development
- Mobile App Development
- Graphic Design
- eCommerce
- Show more
- Location
- Calabasas, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Brave Cat Digital is a premium web design agency for small and mid-size businesses, building fast, SEO-ready WordPress & Shopify websites that reach and convert your audience...
Top Services:
- eCommerce Development
- Web Design
- Design Services
- Branding
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
GenXAI is a publicly listed technology company building enterprise planning and data systems. Our team of 450+ consultants delivers Anaplan and SAP led implementations, ERP transformation, data analytics and engineering, and application development for clients across India, the United States, Malaysia, and...
Top Services:
- ERP Consulting
- CRM Consulting
- Big Data Analytics
- IT Services
- Business Consulting
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...
Top Services:
- Software Development
- AI Development
- Design Services
- Web Design
- UI/UX Design
- Show more
- Location
- Covina, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
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 Services:
- Web Design
- Web Development
- Digital Marketing
- Logo Design
- UI/UX Design
- Show more
- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
ThirdEye Data Transforms Enterprises with Data & AI Solutions & Services. ThirdEye Data leverages Artificial Intelligence & Data technologies to build AI applications for enterprises worldwide...
Top Services:
- AI Development
- Big Data Analytics
- Software Development
- IT Services
- Staff Augmentation
- Show more
- Location
- San Jose, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 23 Projects Listed
Designli
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.
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...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Web Development
- Web Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $85/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDesignli Services
Data sourced from the agency's DesignRush profileGoodwill Earthlink Rotary State of South Carolina Secur.Space Grappos Michelin Accel Entertainment Millennium Parking Garages
Designli Reviews & Testimonials
Software Development Review from David Williamson
We brought Designli in to turn our construction management software idea into a clickable MVP prototype, complete with designed screens and user stories showing how the platform will work. They delivered on time and beyond what we expected. People in the construction industry who tried it were impressed by how simple and easy to use it is, even though the product behind it is complex. Communication was quick and clear, and the project was well managed throughout.
Mobile App Development Review from John Laporte
Designli helped us define the requirements, features, and user experience for an app for our motorcycle organization. They produced technical documentation and a clickable prototype covering navigation, member tools, and safety features. They were responsive, delivered on time every time, and turned our broad concepts into something people could actually click through. The prototype got our stakeholders aligned, earned internal approval, and set us up for engineering, and working out design questions early should save us rework later.
Mobile App Development Review from Brandi Heffner
Designli built our SaaS product from scratch, using AI to speed up development, with AWS and Cloudflare in the stack, and they also handle our hosting and maintenance. We had a working MVP in just 30 days and have kept adding features since. In the first 60 days they went beyond what we expected, largely because they took the time to really learn our business and our market. Coordination through Basecamp and Google Meet has kept everything organized.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Storm Brain
Award WinnerRecipient of a Best Design Award for outstanding work.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...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Digital Marketing
- Show more
- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $145/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 27 Projects Listed
ForeFront Web
VerifiedVerified by the DesignRush team for authenticity and credibility.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...
Top Services:
- SEO
- Digital Marketing
- Web Design
- Content Marketing
- Web Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Portfolios Count
- 8 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsForeFront Web Services
Data sourced from the agency's DesignRush profileHonda of America Orthopedic One Columbus Recreation and Parks
ForeFront Web Reviews & Testimonials
Web Development Review from Madison Shaheen
I worked with Forefront to redesign my nonprofits website and had an amazing experience. They were professional, creative, easy to work with.. I could go on and on. Our website looks amazing and is exactly what we were hoping for. I worked closely with Nick during the process and could not speak more highly of him.Since our redesign project completed, we now use Forefront for our website maintenance and that has also been just a flawless experience. Anytime I run into a problem Phill helps me in a timely manner and is so helpful.Can't recommend Forefront enough!
Web Development Review from Tracy Brockman
We had our business website done by Forefront and they were all wonderful to work with. Nick and Deanna were there for us every step of the way and through every change of mind we had. If you are looking for a website developing company who listens and takes the time to understand the needs and functionality of a new website, this is your team!
Web Development Review from Dee Holleran
Our work with Nick Aiello has been terrific. The entire team has been patient, helpful, and innovative in their ideas and execution!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFounded in 1993, Guidance is a commerce-focused digital agency based in Marina del Rey, California. The company specializes in B2C and B2B e-commerce solutions, backed by over 30 years of experience serving mid-market and enterprise retail and branded businesses. Guidance delivers site development, conversion...
Top Services:
- Web Development
- eCommerce Development
- CRO
- Location
- Manhattan Beach, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $170/hr
Born West is a creative tech agency. We turn ambitious ideas into working software from inception to launch. Our senior strategists, designers, and engineers work as one team to shape digital products, AI-powered tools, platforms, and experiences that are thoughtful, scalable, and built to ship...
Top Services:
- Product Design
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Show more
- Location
- Concord, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
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Why companies trust DesignRush
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