Top Ruby on Rails Development Companies in California
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List of the Best Ruby on Rails Development Agencies and Ruby on Rails Developers in California
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
62 Companies
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California
0.0 (0 Reviews)
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17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Setting the Standard for Staff Augmentation and IT Solutions
Cyber InfraStructure INC. (CIS), founded in 2003, is a global IT consulting and staff augmentation leader with offices in Central India, the USA, and the UK. We specialize in delivering top-tier technology solutions, helping businesses scale their teams and optimize operations efficiently. With experience serving over 2,100 clients across 100+ countries, we support industries including education, finance, travel, retail, manufacturing, gaming, and healthcare. CIS is recognized for excellence, holding CMMI Level 3, ISO 9001:2018 certifications, and partnerships such as Microsoft Gold Partner, Magento Silver Solution Partner, and memberships with Drupal and Joomla. Our focus is delivering innovative, reliable IT solutions that drive measurable business results.
View CIS Profile
< $25/hr
$10,000+
250 - 999
San Jose, USA
0.0 (0 Reviews)
0.0 (0 Reviews)
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Hire the top 3% of freelance talent
Toptal is a premier global talent network connecting businesses with the top 3% of freelance professionals worldwide. Founded in 2010, Toptal helps companies accelerate innovation, scale efficiently, and execute critical projects with speed and confidence. Enterprises and fast-growing startups trust Toptal for elite developers, designers, finance experts, product managers, and project leaders. As the world’s largest fully remote company, Toptal has supported more than 10,000 clients across diverse industries by delivering on-demand access to highly vetted talent in over 100 countries. Integrity, excellence, and agility define every engagement, enabling organizations to stay competitive in rapidly evolving markets.
View Toptal Profile
$100-$149/hr
$50,000+
1,000 - 9,999
San Francisco, USA
0.0 (0 Reviews)
12
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
12
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Crafting Digital Excellence
CodvikScribe Private Limited is a full-service technology company dedicated to crafting digital excellence for businesses of all sizes — from early-stage startups to large-scale enterprises. Headquartered and operating with a globally experienced team, CodvikScribe transforms ideas into high-performance digital products through a collaborative, agile, and precision-driven approach. The company's core mission is to empower organizations with innovative, scalable, and secure technology solutions that align with their business goals and drive measurable success. What We Do CodvikScribe offers end-to-end technology services across six core areas: Custom Software Development — Bespoke software engineered to solve real business challenges Mobile App Development — Native and cross-platform apps for iOS and Android AI & Machine Learning Solutions — Intelligent automation, computer vision, and NLP-powered products Website & E-Commerce Development — High-converting web experiences built for performance SaaS & Platform Development — Scalable cloud-native platforms built for growth Cloud & DevOps Services — Infrastructure, CI/CD pipelines, and deployment automation Technology Expertise CodvikScribe leverages a modern, battle-tested tech stack including: Frontend: React.js, Vue.js, Angular, Next.js Backend: Node.js, Python (Django/Flask), Ruby on Rails, Java (Spring Boot), .NET Core Mobile: Swift, Kotlin, React Native, Flutter AI/ML: TensorFlow, PyTorch, OpenAI API, NLP & Computer Vision Cloud & Database: AWS, Google Cloud, Azure, PostgreSQL, MySQL, MongoDB DevOps: Docker, Kubernetes, Terraform, Jenkins, GitHub Actions Why CodvikScribe Global Expertise — Serving international clients across industries Agile Development — Faster time-to-market without compromising quality Scalable Architecture — Future-proof solutions built to grow with your business Dedicated Support — Ongoing maintenance and post-launch partnership
View CodvikScribe Profile
< $25/hr
$200 - $800
50 - 249
San Francisco, USA
0.0 (0 Reviews)
11
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
11
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom Web, Mobile & Software Development That Drives Growth.
Delight IT Solutions is a global IT services company dedicated to helping businesses accelerate their digital transformation through innovative, reliable, and scalable technology solutions. We specialize in custom website development, mobile application development, eCommerce solutions, enterprise software, UI/UX design, cloud integration, and digital marketing services tailored to businesses of all sizes. With a team of experienced developers, designers, and digital strategists, we deliver high-quality solutions that combine creativity, performance, and security. Whether you're a startup looking to launch your first product or an established enterprise seeking to modernize your digital presence, we provide end-to-end services that turn ideas into successful digital experiences. Our expertise includes WordPress development, PHP, Laravel, React.js, Node.js, Android and iOS app development, API integrations, CRM solutions, website maintenance, SEO, PPC advertising, social media marketing, and branding. Every project is built with a strong focus on user experience, search engine optimization, responsive design, and long-term scalability. At Delight IT Solutions, we believe technology should empower businesses to grow faster, improve efficiency, and stay ahead of the competition. Our client-first approach, transparent communication, and commitment to excellence have earned us the trust of clients across multiple industries worldwide. From strategy and design to development, deployment, and ongoing support, we work as your technology partner to deliver measurable business results. Whether you need a corporate website, custom web application, mobile app, online store, or a complete digital marketing strategy, Delight IT Solutions is committed to providing cost-effective, future-ready solutions that drive innovation and business success. Let's build the future of your business—one digital solution at a time.
View Delight IT Solutions Profile
$25-$49/hr
$100 - $10,000,000
50 - 249
San Francisco, USA
0.0 (0 Reviews)
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Reshaping Technology
OptimaGeeks delivers expert web development services and IT consulting, helping businesses build scalable, high-performance digital solutions and online platforms.
View OptimaGeeks Profile
$50-$99/hr
$5,000+
10 - 49
San Francisco, USA
0.0 (0 Reviews)
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Let's build awesome
SDI is a global software development company delivering innovative digital solutions to businesses for over 20 years. We specialize in custom software development, mobile app development, web design and development, and digital marketing services, helping organizations transform ideas into scalable digital products. Our team of 200+ certified professionals and 30+ UI/UX experts collaborates closely with clients to create tailored solutions that align with their business goals. With offices in California, Melbourne, and multiple locations in India, SDI has served 5,000+ clients worldwide and successfully delivered 2,000+ applications across industries including finance, education, healthcare, enterprise, social networking, and startups. Trusted by brands such as Pepsi, Stanford University, and Marvell, we focus on building high-performance applications, responsive websites, and growth-driven digital strategies that help businesses innovate, scale, and compete in today’s digital landscape.
View SDI - Software Developers Inc Profile
< $25/hr
$1,000+
50 - 249
Saratoga, USA
0.0 (0 Reviews)
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom Software and Product Development Company
4 Way Technologies is a premium IT services company specializing in business-critical web, mobile, and Smart TV application development, with offices in the USA, Australia, and India and a team of 100+ developers. Born cloud-native and operating in a fully Agile delivery model, 4 Way Technologies is an early adopter of OTT and live streaming platforms—making them a trusted development partner for major media companies. Their open-source technology stack (Java, JavaScript, Node.js, Angular, AWS) combined with OWASP-certified security practices ensures every application is built for performance, scalability, and enterprise-grade security. With transparent project management via JIRA and Trello, 4 Way Technologies delivers offshore software development with full visibility and zero compromise on quality.
View 4 Way Technologies Profile
$50-$99/hr
$1,000+
50 - 249
Fremont, USA
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0.0 (0 Reviews)
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
ENJOY THE JOURNEY TO YOUR SUAPPERNOVA
Attractor Software LLC is a custom software development company providing reliable outsourcing services since 2012. We deliver scalable, high-quality solutions for startups and enterprises, handling projects of all sizes—from data visualization tools and web applications to complex eCommerce platforms and fintech systems. Our core services include MVP development for startups, SaaS applications, fintech solutions, business intelligence systems, CRM/HRM platforms, social networks, and enterprise-grade eCommerce marketplaces. We also build navigation apps and innovative VR solutions for business use. With expertise across modern technologies such as React, Angular, Node.js, Python, Ruby on Rails, Golang, Laravel, and Flutter, we develop robust web and mobile applications tailored to your needs. Our team uses agile methodologies and industry-leading tools to ensure efficient project management, transparent communication, and timely delivery. Attractor Software focuses on delivering secure, scalable, and performance-driven digital products—helping businesses innovate, optimize operations, and achieve long-term success.
View Attractor Software LLC Profile
$25-$49/hr
$10,000+
10 - 49
Los Angeles, USA
0.0 (0 Reviews)
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We are changing the world with technologies
MedRec Technologies is a London-based software development company delivering advanced digital solutions to businesses worldwide. With a global team of 60+ software engineers, consultants, designers, and technology specialists across the UK, USA, Europe, the Middle East, and Asia, we provide scalable and high-performance software tailored to modern business needs. Our expertise includes AI and Machine Learning, Big Data Analytics, IoT, Cloud Computing, Blockchain, RPA, Cybersecurity, and SDN-NFV, enabling organizations to accelerate digital transformation. We serve diverse industries such as healthcare, fintech, retail, manufacturing, education, robotics, e-commerce, and transportation. Our core services include custom software development, mobile and web application development, enterprise solutions, automation systems, chatbot development, real-time applications, QA testing, and IT consulting. With a strong focus on innovation, quality, and collaboration, MedRec Technologies helps businesses build reliable, secure, and future-ready technology solutions.
View MedRec Technologies Profile
< $25/hr
$10,000+
50 - 249
San Francisco, USA
0.0 (0 Reviews)
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Unleash Agility: Your Trusted Partner for Outsourcing
Native DevOps is a global digital transformation partner delivering advanced software development, mobile applications, and scalable web solutions. With 7+ years of experience and over 250 successful projects, we help startups, SMEs, and enterprises modernize operations and accelerate digital growth. Our expertise spans UI/UX design, custom software development, and full-stack engineering using modern technologies like React, Angular, Vue.js, Node.js, and Golang. We build high-performance mobile apps for iOS and Android using Swift, Kotlin, and cross-platform frameworks such as Flutter and React Native. We also specialize in web and CMS development (PHP, Laravel), Progressive Web Apps (PWA), and next-gen solutions including Web3, blockchain, and NFT platforms. Our eCommerce capabilities cover Shopify, WooCommerce, and Shopware, delivering conversion-focused online stores. In addition, we offer flexible staff augmentation models to scale your development team efficiently. Partner with Native DevOps to leverage innovative, secure, and future-ready digital solutions that drive efficiency, enhance user experience, and deliver measurable business results.
View Native DevOps Profile
$25-$49/hr
$5,000+
10 - 49
Los Angeles, USA
0.0 (0 Reviews)
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your trusted partner for end-to-end software development solutions
Developers Dev is a large-scale software development and IT services company providing comprehensive digital solutions to businesses worldwide. With a team of thousands of developers, the firm offers services spanning custom software development, mobile app development, web development, UI/UX design, AI and machine learning integration, cloud computing, and IT staff augmentation. Developers Dev caters to startups and enterprises alike, delivering scalable and innovative technology solutions at competitive rates. The company emphasizes quality assurance, agile delivery methodologies, and dedicated project management to ensure on-time, on-budget delivery for clients across North America, Europe, and beyond.
View Developers Dev Profile
< $25/hr
$5,000+
1,000 - 9,999
San Jose, USA
0.0 (0 Reviews)
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Delivering innovative IT solutions to fuel your digital transformation
Baymediasoft Technologies is a full-service IT and digital solutions company providing custom software development, mobile app development, web development, and UI/UX design services. The company serves clients across the US, UK, and global markets, helping businesses of all sizes accelerate their digital transformation journeys. Baymediasoft offers end-to-end development services from ideation and design to deployment and post-launch support, with expertise in technologies including React, Node.js, Flutter, iOS, Android, and cloud platforms. The firm is known for its competitive pricing, agile development methodology, and strong project management practices that ensure timely delivery of quality digital products.
View Baymediasoft Technologies Profile
$25-$49/hr
$1,000+
50 - 249
Van Nuys, USA
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Share your project requirements and we’ll connect you with the best-matched ruby on rails development companies – for free.
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