Top 100 Ruby on Rails Developers in California

Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.

Turing is a small IT staff augmentation company. Established in 2018, the agency is in Palo Alto, California. Their services include IT staff augmentation.

Cybercraft Inc. is a development agency headquartered in Lviv, Ukraine, that was established 2012. Their team of 19 offers custom software development, IT staff augmentation, web development, and more. 

AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development. 

Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.

AE Studio is a team of designers, engineers, and data scientists based in Venice, CA – working on blockchain solutions internally and for partners since their founding in 2016. Their team of more than 150 members provides full, end-to-end blockchain services for startups and enterprise partners, ranging from strategic advisory to community/gtm to smart contract deployment. They are chain agnostic and partner with leading blockchain groups like Dapper Labs, Polygon, and Skale.

Goji Labs is a web and mobile app development company based in Los Angeles. Founded in 2014, they have a team of about 30 that helps launch products in numerous industries ranging from business services to education. They provide product strategy, UX/UI design, mobile app, web, and IoT development services to various clients including startups, corporations, and nonprofits.

CodeNoise is a development team based in San Diego. They have a team of around 5 employees and were founded in 2011. They provide custom software, web, and mobile app development services.  

Web design agency binaery is based in Orange, California. The small agency was launched in 2018. Their services include web design, ux/ui design, web development, and e-commerce development.

Serokell OÜ is a software research and development company based in Tallinn, Estonia founded in 2015. The team of 26 offer their services in IoT development, artificial intelligence, and blockchain. They work with a wide variety of industries, including financial services and IT, among others. Their blockchain services revolve around initial coin offering consulting and smart contract development.

CreateApe is a digital creative agency based in Irvine, Calif. Founded in 2014, the team of 2 specializes in UX/UI design, conversion optimization, web development and more.  

Wunderdogs is a brand agency based in San Francisco with more than two professionals. Since their founding in 2017, they have offered branding, marketing strategy, and web design solutions to clients in the industries of financial services, IT services, and more.

Fullsend Solutions Inc. Is a web development company. They offer web development, mobile app development, and ux/ui design and were established in 2019. Their small team is headquartered in Santa Monica, California.

Venture Aviator is a software development company headquartered in New York, NY with other offices in San Francisco and Santa Monica, CA. The team of nearly 20 employees is fluent in blockchain, software, mobile app, and web development.

Wanted for Nothing, founded in 2017, is a development and design agency headquartered in Calif. The team of 12 focuses on web design, UX/UI design, and web development and works primarily with small and mid-market businesses. 

Grio is a software consulting firm based in San Francisco, Calif, that was established in 2008. Their team of 50 employees offers web development, mobile app development, and UX/UI design services.

FullStack Labs is a software consultancy headquartered in Granite Bay, CA with satellite offices in Arlington, VA, and Barranquilla, Colombia. With over 40 employees at hand, FullStack provides web development, custom software development, and mobile app development services to enterprises and startups alike.

Brechin.dev is an user experience company launched in 2015. They are based in Seattle, Washington and have a small team. The company focuses on ux/ui design, web development, mobile app development, and custom software development.

UniWebb Software is a mobile and web development company based in Elk Grove, CA and was founded in 2011. UniWebb  has a small team of fewer than five employees that focuses on providing mobile app development, web development, and custom software development services, exclusively to small businesses.

Fisherman Labs is a 10+ web and mobile app development firm specializing in AR/VR and emerging technologies. Based in Los Angeles and with an office in Frisco, TX, they’ve been creating bespoke digital solutions for leading brands since 2014.

VentureDevs is an IT agency founded in 2016. They are headquartered in West Hollywood, Calif., with a second location in Poznan, Poland. Their team of 73 specializes in mobile app, web, custom software development, and more for primarily midmarket clients. 

Interactivism is a digital product design and development company founded in 2013. Based in Pasadena, Calif., the team of 8 specializes in UX/UI design, custom software development, and AR/VR development. 

Nextware Technologies is a development agency based in Santa Monica, Calif., with another office in Valencia, Spain. Since 2006, the agency and its team of fewer than 10 have provided expertise in web, custom software, and mobile app development, web design, UX/UI design, and IT managed services.

SmallWorld is a technology consulting firm founded in 2016 and located in San Diego. With a  team of fewer than 10 employees, they offer custom software development, web development, business consulting, and mobile app development services.

Revolution Media Group is a website design and development company that was founded in 2004. Headquartered in San Francisco, CA, Revolution Media Group's small team of fewer than 10 employees provides web development, web design, and branding services.

Extractable is a San Francisco based boutique digital strategy and experience design firm. Founded in 1999, the company employs a team of 24.  Extractable offers UX/UI design, digital strategy, web design, web development, content marketing, and mobile app development. Their client base primarily includes large enterprise and mid-size companies.

YouTeam is a marketplace for hiring remote software development contractors. Founded in 2014, YouTeam is headquartered in London, with an additional office in Lviv, Ukraine. YouTeam's staff of around 20 specializes in web development, custom software development, and mobile app development, primarily for enterprise and midmarket clients in business services and education.

Wellnuts is a full-source software development company based in Minsk, Belarus, with an office in Newport Beach, Calif. The company, founded in 2012, has more than 20 employees who provide, among others, web development, custom software development, and mobile app development services.

CodeFutures is a small software development company. Based in Broomfield, Colorado and San Jose, California, the agency was launched in 2001. Their services include custom software development, cloud consulting & SI, IT staff augmentation, and other IT consulting and SI.

Launched in 2007, Formula is a IT strategy consulting company. The large team provides IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, IT staff augmentation, and more. The agency is headquartered in Los Angeles, California.