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.
Driven by Innovation
The best eCommerce development company empowering you with the tools you need to conquer your industry...
Top Services:
- Wearables
- VR/AR
- Mobile App Development
- Software Development
- eCommerce Development
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 11 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFolio3 Services
Data sourced from the agency's DesignRush profileLioher - Magento B2B Solution TJM Flexiglass Trilink Colgate-Palmolive Standard Chartered Zoetis Mercedez Benz Barnes and Noble Merck
Folio3 Reviews & Testimonials
Web Development Review from Irshad
I am very happy about how Folio3 gives 100% in the work dedication and has a very organized and energetic team who thrive with innovative ideas for our business. We are still using Folio3 on a regular basis and also get excellent updates from any usage left so that we can utilize our monthly allowance which is great teamwork.
Web Development Review from Mike Do
Whether it’s a new development, update or maintenance – Folio3 always shines through. Their turnaround time is always stellar, it’s a pleasure to work with them.
Software Development Review from Stewart Kelly
They have helped us manage and execute the bulk of the engineering work necessary for integrating with our partners in the Airline, Car and Hotel verticals.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTrusted 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...
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAltoros Labs Services
Data sourced from the agency's DesignRush profileSiemens Toyota Hitachi Huawei Denso LikeFolio Dealflo iFit Walmart EQ Bank
Altoros Labs Reviews & Testimonials
Software Development Review from Daria Stolyar
We hired Altoros engineers as an essential extension of our client-facing internal teams. This was a tough decision because our reputation as a brand depends on the overall efficiency of our processes and we needed to make sure all risks are mitigated when it comes to delivery. Altoros has not let us down.Together with Altorosians we successfully deployed a number of tough and technologically complex projects on time. So our collaboration is certainly set to continue.
Software Development Review from Victoria Lewis
We enjoy working with our team, Roman Yurkin, Tatyana Kobzar, Svetlana Kalchanka and Tatiana Anop. They bring expertise and immense value to our business with each piece of work they complete. They are a major part of our business development and delivery.
Ruby on Rails Review from Greg Lipper
In my 30 years in the software business, I have never had as positive an experience with an outsourced development services provider as I have with Altoros. Each Altoros engineer we have worked with has been strong technically, estimated development times accurately, completed projects on time, and delivered code and projects with high quality. Beyond that, they have helped improve our thinking and approach with suggestions and ideas that were better than the spec of instructions we supplied.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsCreating amazing software products!
CognitiveClouds is a custom software product and consumer app development company with a reputation for excellence in creating tailored software solutions...
Top Services:
- Mobile App Development
- Software Development
- IoT
- AI Development
- eCommerce Development
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- Location
- Fremont, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCognitiveClouds Services
Data sourced from the agency's DesignRush profileWalmart Sony Yahoo UBS Volkswagen Mahindra Electric Katerra
Get Things Done
Space-O Technologies is a software development company having 13+ years of experience in delivering custom software solutions for startups, enterprises, and Fortune 500 companies...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- Web Development
- Web Design
- Show more
- Location
- Ontario, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSpace-O Technologies Services
Data sourced from the agency's DesignRush profileNike McAfee Saint-Gobain NAQEL Way MowSnowPros
Space-O Technologies Reviews & Testimonials
Web Design Review from Tom Sieron
We launched a new company, designed the branding and website, and needed a WordPress vendor to code it and support it in its growth. I have been running software development companies for the last 15 years, and can fully recommend Space-O Technologies team as a great PM, from a position of his client. They delivered well before time (and we were in a crunch already), and well in budget, while keeping top quality.
Megh Vadalia's Review Sourced from Google
This office is fantastic! The people here are friendly, and the work culture is something I truly value. Wishing them all the best, and I hope they continue to support their communities.
Rahul Gupta's Review Sourced from Google
I have read previous reviews about the company's interview process and feedback on Google, and they are accurate. A few months ago, I successfully completed all three rounds of interviews, but ultimately, I was not selected for the position. While I accept this outcome, I found the feedback provided to be unprofessional. This reflects poorly on the company's professionalism in selecting employees.Please don't say that I was never applied for the Job in your company.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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