The Best React.js Development Companies in California are listed here to help you choose the best suited development firm for your business.
Read Full DescriptionCalifornia, USA
50 - 249
$25-50/hr
$25,000+
We are Magneto. A team of digital commerce experts working with manufacturers, wholesalers and retailers globally, turning ideas into unique customer & content-centric experiences, using a platform-agnostic approach. Since 2010, we have been architecting digital commerce solutions for our clients providing innovative solutions, managing delivery and accelerating the speed at which leading B2B, B2C, D2C and marketplace brands can scale with flexibility their online offerings. We empower enterprises with industry-leading composable commerce solutions through a range of partners which offer PIM, DAM, OMS, MDM, DEM, CRM, CX, omnichannel sales, and marketing business needs. We push ourselves. We push technology. And we push the boundaries of conventional commerce.
California, USA
19 - 51
$20/hr
$5,000 - $20,000
Developer Bazaar Technologies is a Top Ranked Mobile App & Web Development Company, specializing in transforming ideas into stunning realities and Creating a Positive Impact and is Headquartered in Indore, India. Why Choose Us: ISO 9001: 2015 Certified Worked with big giants like Lowe’s Pro Supply, Accenture, JSW, Upgrad, and InfoBeans. Trusted by 450+ established industry leaders. 890+ Project Completed. Worked on 50+ MVP and Custom solutions. 1.2 Million+ App Downloads 93% Delivery Rate We Specialized in: AI App Development Dating App Development Food Delivery App Development Multi-Vendor E-commerce App Development OTT Platform App Development Health and Fitness App Development Doctor Consultation App Development Our Key Differentiators: Process-Oriented Delivery Focus Comprehensive Project Proposal: Resources, Milestones, Timeline, Budget, and Contract Milestone-Driven Approach Detailed User Epic Story Interactive Figma Design Consistent Communication Rate Technology Stack DB Tech is expertise in: Mobile App: Flutter, iOS (Swift), Andriod(Kotlin & JAVA) Back end: PHP, Laravel, CodeIgniter Front end: React, Next.js, HTML, CSS CMS: WordPress, Shopify, WebFlow CSS Frameworks: Bootstrap, Tailwind Creative Designs: FIGMA, Adobe XD, Photoshop, Illustrator Database - MySQL Kindly message me for an in-depth conversation. Book a Free 15-minute consultation with our experts: https://calendly.com/info-41652 Contact Number: +1 (205) 677-7111
California, USA
50 - 249
$25/hr
$5,000+
We’re Bytes Technolab - Delivering Tailored Web & Mobile Apps Development services since 2011. With a 95% Client retention ratio our Forte is High-end UI/UX Design, Web Apps Development, CMS Solutions, Magento eCommerce Development, Marketplace Solutions, Inventory Management Solutions, Mobile Apps Development, ReactNative Apps Development, Cloud Services, and Digital Marketing. Our Team Strength of 100+ Developers with an Average Experience of 6+ Years are Highly Experts in Trending Technologies like MERN, MEAN, ReactJS, ReactNative, and Legacy Technologies like PHP, Kotlin, and Swift to cater an Innovative Software Solutions for Small/Mid Businesses, Startups, and Enterprises. Our 9001:2008 Certification ensures high levels of Security & Quality. With our Development Processes and Team, we have achieved Partnership and Certifications of Plumrocket Partner, Bronze Amasty Partner, Clutch Top eCommerce Developer, Adobe Certified Developers, Magento Solution Specialist & Magezon Bronze Partner. We are also proud to be a member of NASSCOM. Our Expertise Magento eCommerce Development Shopify eCommerce Development WordPress / woocommerce Development Marketplace Development Inventory Management Solutions Custom Web Applications Development Marketplace Integration & Management UI/UX Design Digital Marketing Third-Party Inventory Integrations Magento Walmart Integration Magento Amazon Integration Magento eBay Integration Custom Mobile Application Development Having Subsidiaries in the US & Canada, A Development center in India is equipped with State of Art Infrastructure, Technologies, and a Friendly work Environment. We are still expanding our global presence in Europe & Middle-east as we believe to Ensure we are Always close to our Customers. Our Approach helps us develop User-centric, Applicable, and Advanced Software Solutions for various Industries such as E-Commerce, FinTech, Real Estate, Automotive, Healthcare, Jewellery, Education, Event Management, and more.
California, USA
100 - 200
$25-49$/hr
$25,000 - $999,999
Softermii is a full-cycle product development company with in-depth expertise in innovative software. We don't pursue quantity over quality, focusing on what we do best – turning good ideas into great products. Our team implements technology while being focused on your business goals and working in close cooperation with the customer. Softermii’s main goal is to help companies boost the development process with flexible cooperation models while keeping the budgeting lower than onshore and ensuring total availability in your time zone. We guarantee on-time delivery and cover any deviation from the initial budget. Softermii works with: Early-stage companies: MVP development; Product design and architecture prototyping; Pre-seed discovery and market analysis. Team extension: Hire a remote team of any size for your R&D; Get additional resources for your current team. Any size of software: Build a product from scratch; Add new features to an existing one; Get a professional audit for improved performance or user experience. Softermii’s primary areas of expertise are (but are not limited to): Healthcare Real Estate FinTech Video and Audio Conferencing E-commerce Cybersecurity Core services include: MVP Strategy Consulting Web and App Development WebRTC Development Project and Product Management UI/UX Design Quality Assurance Services DevOps Nft Development Write us: info@softermii.com
California, USA
1,000 - 3,000
$50-99/hr
$25,000+
As a software development company with 20+ years in the field, Vention provides innovative services to startups and large enterprises. We tackle projects of any complexity and size, delivering outstanding solutions that help clients focus on business expansion and new opportunities. With 3K+ dedicated developers globally, we match clients with top engineering talent in time zones that align seamlessly with their unique needs. Our impressive track record: We've worked with 500+ industry-leading clients, including PayPal, IBM, Mount Sinai, PwC, and Postman Our work has contributed to $15B+ in client acquisitions. Clients typically save up to $600K annually with us. With an average client relationship exceeding 36 months, our enduring partnerships speak to consistent client satisfaction. Our longest client engagement has lasted 16 years. We provide end-to-end software development expertise, covering the entire engineering spectrum, from initial concept creation to final delivery and refinement. Custom software development Web and mobile development QA and testing Cloud & DevOps eCommerce AR/VR AI Blockchain
California, USA
50 - 249
$25/hr
$5,000+
Appventurez is the leading eCommerce web & app development company in the United States that specializes in Magento and Shopify development and design processes. Established in 2018, they also have their global offices in Dubai, UK, South Africa, Mexico, Germany, Qatar, and India & provide eCommerce solutions around the globe. The eCommerce app development company has developed over 100+ apps using modern technologies like AR/VR and AI to Blockchain and Cloud computing for their client base that ranges from next-generation startups, enterprises, SMBs, and SMEs to established businesses. The work contributions that they have made in the eCommerce app development services earned them a series of accolades and awards from a number of renowned rating and review websites like Clutch, GoodFirms, and Appfutura.
California, USA
50 - 249
$25/hr
$5,000+
CMARIX is a leading technology outsourcing company in the US with expertise in Enterprise Software, Mobile Application & eCommerce website Development . With a team of 170+ in house experts CMARIX is working with clients across 46 countries globally and has tailored 1100+ Web & 290+ Mobile applications across different business domains. We are pioneers of Outsourcing Simplification and have a very creative work culture. We are very passionate for the services we provide and take great pride in ensuring complete customer satisfaction.
California, USA
50 - 249
$25/hr
$25,000+
CognitiveClouds is a best-in-class eCommerce website development company in the USA that helps top startups and companies build remarkable eCommerce products. The products they build help early-stage startups raise millions & established companies crush their sales targets. THey’re among a handful of companies that can turn simple sketches into fully-featured products that work on any device. Focus is what creates value, so they utilize their proven process to take your first version product across the finish line. They work with diverse industries that range from agriculture to travel, so you can be assured that their team has the expertise required to help you build the right product for your target users. They design, architect, and develop elegant software products. The products offer compelling user experiences and beautiful visual designs. They use modern technologies like iOS, Android, Ruby on Rails, Golang (Go), Scala, Node.js and AngularJS to build robust mobile & responsive web products.
California, USA
10 - 49
$50/hr
$5,000+
ROCKETECH is a software development company that specializes in analytics-driven mobile and website development. Their team has released 100+ products for 70+ startups and enterprises as IT consults. Their solutions are recognized as The Apps Of The Day on App Store, receive recognition from Grammy awards, and are highly acclaimed in their niches. They work with complex industries and narrow niches, delving into deep details.
California, USA
50 - 249
$50/hr
$50,000+
Steelkiwi is a renowned Ukraine-based website development company that also has a sales office in the USA. In its 10 years on the market, the company has collaborated with over a hundred clients across different niches from education to healthcare to social media networking to on-demand and recruitment. With their prime focus on web designing & development, they build unique and cost-effective solutions. Python/Django is what helps Steelkiwi cover all those industries, building different types of software solutions fast and efficiently. Other web technologies they use include Node.js, React.js, Angular.js, and Vue.js. As for mobile development, they use Swift, Kotlin, Java, and Flutter. Customers that trust Steelkiwi include Hoopit, Atruchecks, Can Tho, Meddy.co, Snaapy, Viridian Advisory, and many more.
California, USA
250 - 999
$25/hr
$10,000+
Since 1997, IndiaNIC has been a successful offshore software development company, offering a comprehensive range of website and mobile app development, 3d graphics, IoT, AR-VR, and other IT services and solutions to clients. IndiaNIC is a leading web design and software development firm with many software developers available for dedicated and fixed time/cost projects. Web developers from IndiaNIC have demonstrated expertise in the latest web technologies such as PHP, Laravel, Magento, ReactJS, front-end technologies such as AngularJS, and back-end technologies such as Node.js to create custom and responsive websites, web apps, and eCommerce solutions. To create next-generation mobile applications, Android app, iOS app, and cross-platform mobile app developers use cutting-edge mobile technologies and tools such as Android Studio, Xcode, Kotlin, Xamarin, PhoneGap, React Native, and others.
California, USA
50 - 250
$25/hr
$1,000+
SynergyTop is a premier digital marketing agency and IT services company, specializing in delivering future-ready digital solutions and enabling digital commerce for enterprise customers. Our certified digital and domain experts provide custom digital solutions in website UI/UX, web development, mobile applications, Progressive Web Apps (PWAs), and e-commerce. We also offer managed cloud services and custom ERP development. Since our founding in 2014 and headquartered in San Diego, SynergyTop has successfully delivered over 200 websites, 50+ mobile applications, and 100+ e-commerce platforms for small and medium-sized enterprises across various industries including Retail, Healthcare, Solar Power, Energy, Construction, and Manufacturing. Recognized with numerous industry awards and accolades from leading publications, SynergyTop combines unparalleled experience, rapid execution, and a passionate team of domain experts, making us the partner of choice for businesses on their digitalization journey. Led by founder and CEO Jayesh Totla, who brings over 20 years of IT industry experience, we ensure project outcomes that exceed expectations. SynergyTop extends its comprehensive services to startups and small & medium businesses in the USA, UK, Australia, UAE, India, and multiple countries worldwide.
California, USA
10 - 49
$$50 - $99/hr
$50,000+
Diffco is a Silicon Valley-based development company specializing in providing businesses with teams of senior developers to drive their success in the market. With more than 16 years of experience in mobile, web, and AI development, we offer robust software solutions to help you launch, support and accelerate your business. Our team is focused on clear communication, reliability, and building long-term client relationships. As an award-winning agency, we deliver exceptional quality and value. We focus on the product and can cover the whole project creation, from ideation to a sophisticated technical implementation, with continuous development and support. Why Diffco? Client-driven approach; Transparent processes and billing; Always clear communications with you about everything; Only dedicated project teams with no cross-project sharing; Detailed reporting and deliverables. Elevate your business with Diffco experts. Let’s chat and get you on the new journey to success.
California, USA
50 - 70
$150/hr
$100,000+
MojoTech is an innovative software development company that integrates strategy, engineering, and design to create results-driven digital products and experiences. We have written the playbook for how to discover, define, design, and build tomorrow's innovations, empowering companies to unlock future market potential, maximize returns on innovation, and drive transformational change.
California, USA
50 - 249
$25/hr
$5,000+
Codemotion is a leading eCommerce development company in the USA. They’ve been working since 2011 and now have an in-house team of 100 Ninjas, 120+ MVPs launched, 99% successfully completed work. Their eCommerce developers have expertise in developing websites & apps with simple conventions in mind so you don’t have to waste time with configurations. They follow the highest industry standards and are a pro at user experience. Being the top-notch eCommerce development company in usa, they provide services right from idea to development to support.
California, USA
250 - 999
$25/hr
$1,000+
Headquartered in India, Tudip Technologies Pvt. Ltd. is a CMMI Level 3 software solutions company with global footprints in the USA, Canada, Nigeria, and Mexico. They believe in building long-term relationships with their clients with transparency, Integrity, Innovation, and Serenity. They specialize in the designing and development of well-organized eCommerce Websites and mobile applications with trendy features and responsiveness. They strongly believe in providing an effective client service, taking care of the employees’ needs, and creating a success story to remember.
California, USA
50 - 249
$50-99/hr
$25,000+
At Master of Code Global we are a team of experts developing custom world-class digital experiences for web, mobile, as well as conversational chat and voice solutions empowered by AI. Founded in 2004, with more than 250+ Masters globally, and 400+ projects delivered, our solutions have been used by more than 1 billion users worldwide. Our diverse portfolio includes global brands, enterprises, as well as successful startups, such as Golden State Warriors, T-Mobile, Live Person, World Surf League, MTV, Aveda, Jo Malone, Infobip, eBags, Burberry, Estee Lauder, Post, Glia, and others. We are a service company with a product mindset and experience proven by the success of our own products, a suite of apps for the Shopify e-commerce platform that is used by 10,000+ stores globally. We believe in long-term partnerships with our clients, guiding them towards their vision and success, while keeping a strong focus on exceptional end-user experiences. We provide enterprise-grade delivery, including being ISO27001certified, and at the same time the agility to match the pace of startups. And we infuse that with our company DNA built on Passion, Trust, Impact, Growth, Respect, and Fun. At Master of Code Global, we aspire to go far beyond impacting over a billion people worldwide with unparalleled digital experiences. We are helping to seamlessly integrate AI into businesses, elevating their performance and customer satisfaction. For our AI-powered chatbots we use: Embedded Generative AI integration, Azure Bot Framework, Google Dialogflow CX/ES, Amazon Lex, Rasa, Azure Cognitive Service for Language. Our conversational solutions integrate seamlessly with: Live Person Conversation Cloud, Salesforce, Zendesk, Sprinklr, Stripe. Technical Proficiencies: Backend - Node.js (ES/TypeScript), Python, Ruby, Go, Java. Frontend - React, Vue.js, Next.js, Angular. Mobile - ReactNative, Flutter, iOS/Android Native. Cloud Platform - AWS, Azure, Google Cloud. DevOps - Kubernetes, Terraform.
California, USA
250 - 500
$25/hr
$5,000 - $100,000
With over 15+ years of experience and 1200+ successful projects, BiztechCS is an ISO 27001 and ISO 9001 certified company. We are on a mission to help businesses like yours get ready for tomorrow.
California, USA
50 - 249
$25/hr
$5,000+
CodeBright is one of the fastest-growing software development companies in the USA that works with small/large enterprises and startups to improve/streamline/automate business processes, raise efficiency/productivity, reduce costs, solve business challenges, bring Minimal Viable Products (MVPs) to the market, and much more. The award-winning team can handle a wide variety of complex software development projects that involve integration with other systems (CRMs, ERPs), analysis of large masses of data, and use of AI to solve expensive business problems.
California, USA
25 - 249
$25/hr
$5,000+
DevTechnosys is one of the best eCommerce development agencies in the UK offering a vast range of eCommerce websites and app development services. They are known for delivering highly comprehensive eCommerce solutions and ensure the smooth running of your eCommerce website and mobile applications. DevTechnosys being a one-stop-shop for eCommerce development offers a broad range of services right from concept to designing, development, testing, marketing, and support & maintenance. They follow agile eCommerce development processes Their eCommerce developers have years of experience in serving the eCommerce sector and by implementing the know-how of modern technologies, they are working hard to increase the revenue of start-ups, and SMEs.
California, USA
300 - 999
$50$/hr
$25,000+
At EffectiveSoft, we help forward-thinking companies transform vision into reality through innovation and technology. Our nearshore and offshore custom software development solutions include cloud migration, optimization, and implementation to UX/UI solutions to data and analytics, and more. We create unparalleled value for our customers and help them accelerate through digital transformation. The current global challenges we face are dynamic and unpredictable. To help you keep pace, EffectiveSoft is committed to delivering remarkable services that exceeds your expectations and earns your trust. We are excited about the opportunity to work together as your strategic partner.
California, USA
50 - 249
$50/hr
$5,000+
GoodWorkLabs is a world leading technology & digital transformation company that delivers cutting-edge products and solutions for customers globally. By delivering key solutions with offshore teams in India, we specialise in outsourced product development, automations, AI/ML solutions, Big Data, high-end mobile/gaming apps and custom software development across technologies including Java, iOS, Android, React, Angular, Node, etc.
California, USA
50 - 249
$25/hr
$1,000+
Misha Infotech is an India-based mobile app development company that was founded in 2010. Today, the agency has over 50 employees with professional skills in mobile app development, app marketing, and technical assistance. One of the top mobile app development companies in India, Misha Infotech is a celebrated name in the field offering services designed with proven methodologies, cutting-edge technologies, and world-class engineering techniques. Besides mobile app solutions, the company also offers a wide range of services like Web App Development, Software Development, Multimedia Development, Design and Configuration, and many more. In a span of 11 years, they have successfully delivered 1300+ projects, some big names among these are Indian Oil, NTPC, SKIPA, BHEL, and APL Apollo.
California, USA
50 - 150
$35/hr
$10,000+
Mobikasa is a top-rated ecommerce, web and mobile apps development agency. Founded in 2011, Mobikasa has become a dynamic, agile and fast-moving company, focused on client solution management within the ecommerce domain. We have established a global footprint and serve clients from diverse industry verticals. Our emphasis on scope discovery to accurately identify client goals and objectives will always create a deeply enriching, brand enhancing solution that truly engages the client’s target audience. Mobikasa’s innovation focused team consisting of project managers, software engineers, digital marketing experts and UI/UX designers help develop custom built software solutions that are cost effective for companies of all sizes, from funded startups to established enterprises.
California, USA
50 - 249
$50/hr
$25,000+
Proudly based in Ukraine, thier passionate, user-oriented designers have an iron grip of the tools they use to build exceptional digital experiences. They believe web development should never be boring. They never forget that your business goals drive everything. That’s why thier beautiful web and mobile designs blend your brand objectives into intuitive and impactful products every step of the way. Every project they take on is highly customized. They don’t do out-of-the-box solutions because they know that every project is unique.
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