JavaScript Development Companies in California
List of the Best JavaScript Development Agencies in California
Seamgen is the top application development company, specializing in mobile application development, web application development and more. Visit us here.
Company Overview From San Diego to London we design and develop best-in-class web and mobile applications for clients from growing startups to the largest enterprises. We are an industry-leading mobile and digital agency on the forefront of technology—our team specializes in full-stack development and we are experts in user experience design, web and mobile applications. We work with brands from many different industries including healthcare, hospitality, and automotive.
When a client partners with us we get to know their business and their customers, and intimately craft custom software solutions that provide cutting edge experiences and produce value for your customers and your business. Services Our capabilities include full stack design and development for web and mobile applications. We are industry experts in cross-platform development with Xamarin, user experience design, user interface design, development of native mobile applications, Javascript web applications, beacon implementation, digital healthcare software, and highly scalable cloud service architectures using Amazon AWS and Microsoft Azure. Do you have an upcoming project? We design, build, and maintain mobile and web applications for today’s demanding users.
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$75,000 +
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10 - 49
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$100 - $149 / hr
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US, San Diego
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Specto Design designs and develops websites, web applications and custom web-based software solutions. We specialize in projects requiring high security, high availability and high scalability in industries such as financial services and insurance, hospitality, sports, biotechnology, medical research and healthcare.
Specto Design takes a design thinking approach. This concept of "design thinking" means that no product-print, Web site, mobile app, software application-begins without us first thinking about the end user and then working backward. In design thinking, we start with the question, What will this particular person for whom we created this product care enough to tell everyone about it?
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$1,000 +
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2 - 9
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$100 - $149 / hr
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US, Los Angeles
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Sunlight Media was also honored with the 2019 Los Angeles City Excellence Award from UpCity.com. Out of 624 marketing service providers in Los Angeles, Sunlight was selected as one of the top 20 firms based on UpCity Rating, which measures digital referrals by reviews, search rankings, domain authority and more.
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$1,000 +
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2 - 9
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$50 - $99 / hr
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US, Los Angeles
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Vivus is a California-based company that develops technology to innovate businesses with an eye toward the future. Our mission is to do more than just create cutting-edge products, but to shape industries through digital transformation.
Vivus is at the forefront of technology, doing more than just creating cutting-edge products - we partner with you to create simple and effective experiences. As your dedicated software development agency, we strive to be your cohesive product development team. Focusing on select clients at the same time allows for an intimate experience to ensure a smooth and contactable customer journey from concept to completion. Providing unparalleled quality. Vivus specializes in website and mobile app software development, UI/UX product design and creative guidance. Move forward with confidence with our diverse team of digital strategists, technologists, wizards and thought leaders.
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$25,000 +
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2 - 9
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$100 - $149 / hr
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US, Los Angeles
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Weberous is a full-service web agency based in Los Angeles specializing in web design, branding and marketing.
We’ll crack codes, like dad jokes. Only no one begs us to give up programming. They’re not always technical. In fact, the most complex codes don’t even have numbers. They have names. Hearts and minds. They’re human. And we spend a lot of time trying to figure out what makes them laugh and lust and curse and trust and get out of bed in the morning. Then we make websites that make them pause, take a breath, and relax. It is in this pause that the shift occurs when calculated goals become measurable results.
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$25,000 +
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2 - 9
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$100 - $149 / hr
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US, Los Angeles
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Why Worklab? From last minute bug fixes, web design, email templates to complete rewrites and brand new builds, we solve problems while you and your team get back to the needs of your company.
Still looking for the right business tools? Maybe they don’t exist... Yet. All companies rely on tools, but rarely use ones that are perfect for their unique workflows. That’s where Worklab comes in: we build custom systems, including software for accounting, inventory and customer engagement. We create automation, tracking and communication tools to help you do even more with the resources you already have. Empower your employees by minimizing repetitive tasks and pain points. Use our solutions to gain insight and formulate solutions with confidence. Our goal is to improve the efficiency of your workforce. Worklab knows how to create a customized system just for you.
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$5,000 +
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2 - 9
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$50 - $99 / hr
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US, Los Angeles
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With EdCast’s platforms, businesses are able to attract, develop and retain a high-performance and future-ready workforce. EdCast's offerings include its Talent Experience Platform, Spark for SMBs, EdCast Marketplace and MyGuide Digital Adoption Platform. EdCast is recognised as a Technology Pioneer by the World Economic Forum.
EdCast offers a unified talent experience platform designed to enable end-to-end employee journeys spanning learning, skilling and career mobility. Its award-winning platform is used internationally by organisations ranging from large Global 2000 companies to small businesses and governments.
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$10,000 +
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50 - 249
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$25 - $49 / hr
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US, Mountain View
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We serve a select list of clients in the United States who are committed to growth and appreciate the idea that millennials are literally the future of everything.
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$75,000 +
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2 - 9
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$150 - $199 / hr
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US, Oceanside
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We are a visual design and marketing agency with an unusual SEO gift that helps brands make an impact online.
We can help you build sustainable, meaningful relationships with your customers by engaging them with your brand through social media. We work in areas as diverse as search engine optimization, social media marketing and digital marketing.
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$5,000 +
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2 - 9
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$100 - $149 / hr
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US, Los Angeles
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At Inseev Interactive, part of 3Q Digital, everything we do is focused on generating scalable revenue for our clients through digital marketing.
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$10,000 +
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10 - 49
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$100 - $149 / hr
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US, San Diego
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We create websites, applications and software that help our customers run their businesses.
PINT is a full-service web development agency based in San Diego with a long-standing reputation for creating innovative websites and providing superior services. PINT is known for developing websites built to modern web standards and integrating cutting-edge web technologies to meet business needs.
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$5,000 +
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50 - 249
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$150 - $199 / hr
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US, San Diego
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200+ highly skilled designers and engineers. Web & mobile development, AR & VR. Ready to unlock your opportunity with human-centered design and technology.
STRV is a software design and engineering team. Here since 2004, we’ve delivered solutions for partners ranging from startups to enterprises, including ClassDojo, Microsoft, Barry’s, The Athletic and more. Our vision has always been simple and honest: We want to do top work.
We are keen to listen to your requirements and ideas inorder to work out a feasible and right remedy to enable any enterprise application right at your fingertips in your Iphone. If you are looking for Iphone Application development, be it a web application or native application, ConfianzIT can deliver you the right service.
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$50,000 +
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50 - 249
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$100 - $149 / hr
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US, Los Angeles
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We're a digital product development firm with over 11 years experience delivering rock-solid engineering and beautiful products. Offices in US/UK/Europe.
Tivix is an established software development company specializing in the agile development of web and mobile applications. We reduce engineering risk for clients by offering rapid time-to-market while delivering standards-based software code that can be transitioned to an internal team at any time. Founded in 2008. Tivix is headquartered in San Francisco, with regional offices located across the U.S. and Europe. Our rock-solid solutions are trusted by some of the biggest Fortune 500 names in the world, and for good reason. We develop enterprise-grade software that is scalable, secure and truly reliable.
Service Areas Web app development Mobile app development API development DevOps UI/UX design Innovation workshops Technology Focus Django/Python Node.js Angular Polymer React Objective-C Swift Java Ansible Docker AWS MySQL PostgreSQL
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$50,000 +
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50 - 249
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$50 - $99 / hr
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US, San Francisco
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West Agile Labs is a San Francisco, USA based top custom software development and design company
West Agile Labs is a global software development and digital design company based in San Francisco with offices in Ukraine, Pakistan, and India. With a team of over 120 people, we work with both startups (including 7 from Y-Combinator) and enterprise organizations. At West Agile Labs, we go the extra mile for our clients, on the first project, and on every project that follows. We offer consulting, design and development services to build great products, foster close relationships, and help grow incredible companies. Our keen sense of emerging technologies and business acumen culminates from years of experience producing sustainable and viable products built to last. We build smart. We build efficiently. We build because it’s our passion.
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$50,000 +
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50 - 249
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$50 - $99 / hr
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US, San Francisco
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WordSuccor as a leading WordPress development company in USA that provides WordPress Development, Design, Support, Maintenance & Optimization.
Since our inception over a decade ago, WordSuccor has been providing clients with robust and scalable WordPress solutions. Today, with a growing worldwide clientele, we are a recognized market leader in our field. We are known for building powerful, flexible and highly original websites that thrill our clients.Our team is united by our shared passion for creative and engineering excellence.
As an independent company, we do not answer to investors but to our clients, using our resources to build our business, enhance the lives of our employees, and advance our industry.Wordsuccor deploys smooth processes and leverages communication channels and 24-hour customer support. This is done so that the client and customer can interact in the most amicable environment.
The solutions we offer ranges from Asterisk/Free switch customizations and electronic fax to telecom systems comprising of programmable, carrier grade routing and messaging platforms for large enterprises.
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$100,000 +
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50 - 249
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< $25 / hr
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US, Santa Monica
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We are the best software development company in the USA for your next digital revolution. We offer a vast number of innovative services to help you fulfill your dreams. Our wide range of services are suited for all businesses, and we make sure to give your business a significant boost. We are expert in: Web, Mobile, and Desktop Application Development.
We are a software agency based in Los Angeles CA. We have engineers with more than 3 decades of experience in developing quality modern software and technologies. We focus on Web, Desktop, and Mobile applications, however, we also actively provide services in business automation, integration, web scraping, web crawling, data mining, internet of things, and embedded systems. We have successfully helped businesses from small to fortune 500 in delivering highly effective software that has brought exceptional value to their operation and to their clients. We work in an AGILE project management style that values practicality and scalability as the number one mission objective.
28422 Constellation Road Suite 115 Valencia California USA 91355
software development
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Valerie
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Los Angeles Bizz is an expert in five keys areas of technology, including new application development, Seo Services, web design, Digital Marketing, eCommerce Development, Web Development, project management, as well as mobile applications for Android and iOS. Our team also has vast experience developing Business Intelligence (BI), customer relationship management systems and managing projects using our cloud-based project management support system.
Los Angeles Bizz is a leading software and mobile app development company in Los Angeles, CA. We can help to build custom software for enterprise & startup businesses.
5482 Wilshire Blvd, Suite 2841, Los Angeles, CA 90036, USA
Software Development, Web Development, Mobile App Development, Seo Services, Web Design, Digital Marketing, iPhone App Developer
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$1,000 +
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10 - 49
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< $25 / hr
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US, Los Angeles
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Our prices are competitive. We provide fast, courteous and professional design without the inflated costs that our competitors offer. Our fast turnaround and commitment to customer satisfaction make After Dark Grafx the place to be for all your business and production needs. We work promptly and consult with you throughout the design process to make sure you are satisfied with every step of the design process.
Experienced information architect with proven experience in information technology and services since 1992.After Dark Grafx offers San Diego website design, website and e-commerce development, website maintenance, search engine optimization, app development, hosting, printing, merchant accounts, digital security certifications and graphic design services for businesses large and small.We are an efficient and experienced company. Remember you, the consumer.
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$1,000 +
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2 - 9
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$25 - $49 / hr
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US, San Diego
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Guided by values and backed by a strong business ethic. Rather than simply providing a product or service, we offer the best solution available that meets our customer's financial and functional requirements. Our mission is to provide customized and convenient solutions that maximize our clients' return on investment.
We specialize in mobile app design and development. We've successfully launched more than 625 mobile apps with a total of 80 million downloads. Based in San Diego, California, we succeed through a combination of dedicated industry experts and best-in-class technology. We've been at the forefront of mobile software solutions since the beginning. We bring you the best in apps and games for iPhone, iPad and Android.
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$5,000 +
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10 - 49
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$50 - $99 / hr
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US, San Diego
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Bitwise Technology Consulting, well versed in both business and technology, offers inspiring custom software and strategic Salesforce implementation and management for the most complex projects for both small and enterprise clients.
Bitwise Technology Consulting, headquartered in Fresno, California, is the software-as-a-service division of Bitwise Industries, which specializes in Salesforce implementation and custom development.Our software development company, Bitwise Technology Consulting, is hiring top talent from the staff training department, proving that you can build stellar technology and top-notch companies in unexpected places using this diverse army of non-traditional talent.
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, San Francisco
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BL3NDlabs is a comprehensive strategy, technology and design agency representing funded startups for 1,000 companies looking to change the future of business. We change the way we do business with standard and new technologies.
We build products, platforms and brands for funded startups and Fortune 1000 companies that are investing in the digital future. We work with organizations large and small, from beauty to logistics to healthcare to finance. We are independent of industry and technology.With a team of award-winning designers and technologists, we leverage our expertise in human-centered design, agile development, and data science.We focus on the problem first and then define the design and technical solutions.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, San Diego
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Don't spend months trying to figure it all out on your own. Why not talk to one of our app consultants today?Tell us what kind of app you'd like to create... And find out how to efficiently and inexpensively develop a high-quality mobile app.If you have questions or just have a problem you need help with, we'll take care of you as quickly as we can.Fortune 500 companies and local civic associations have used BuildFire to develop, publish, and maintain thousands of applications used by millions of users every day.
No matter how big or small your needs are, we'll create a beautiful mobile app for you, tailored specifically to your business needs.Over the past 6 years, BuildFire has created over 10,000 apps that have collectively saved our clients over $250,000,000 in development costs.We've built apps for industry-leading brands like Paypal, Cisco, PepsiCo, Aon, Wienerschnitzel and many others. I believe we can help you too.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, San Diego
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We develop compelling visual stories, corporate identity and websites that open the mind to interaction and evoke emotion. Delight never goes out of style.
Camp Creative is a digital marketing and branding agency that believes that the right user experience, delivered the right way and at the right time, cultivates relevant and meaningful connections between brands and people.
We work hard to uncover your customers' digital behavior to inform strategies, opportunities, and new concepts that will ultimately lead to improved user experience and increased demand for your business.
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$5,000 +
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10 - 49
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$150 - $199 / hr
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US, San Francisco
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We build customizable and future-ready web and mobile app solutions at Closeloop from the ground up that do not cost you a fortune to scale or modify later. We empower custom software with modern-age technologies like AI, IoT, AR, and VR for enriched user experience and engagement.
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$5,000 +
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10 - 49
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$25 - $49 / hr
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US, Mountain View
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We prioritize people and partnerships over awards and accolades. The result has been long client relationships - in many cases a decade or more - across a range of sectors.
Dayspring Partners (formerly Dayspring Technologies) helps clients meet the challenges of the digital age in four service areas: brand design, web design, custom software development and Salesforce for nonprofits.
We have two dozen consultants, designers and engineers, all on staff in San Francisco.
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$50,000 +
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10 - 49
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$150 - $199 / hr
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US, San Francisco
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We are a small business website development agency made up of elite designers and developers who enhance brand identity and online presence, one client at a time.
Envisager Studio is a web design and marketing agency founded in 1998 in San Diego, California. We work with clients all over the world, from bloggers and small businesses to large corporations. Our talented team excels at combining their exceptional skills to create gorgeous, technically advanced WordPress websites that are functionally rich and easy to use. We promise to hear from you, respect your time, and deliver on time and on budget.
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$10,000 +
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2 - 9
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$150 - $199 / hr
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US, San Diego
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We develop projects that adhere to strict coding styles and user-friendly interfaces. Our designs are uniquely adapted using the latest technology to meet the tastes and needs of any client.
Evistep is a fast-growing software and game development company committed to providing comprehensive digital and publishing solutions of the highest quality. We combine our expertise to offer web app development, mobile game development and mobile game development services tailored to our clients' needs.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, San Francisco
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Farinella LLC is a boutique agency that helps clients explain, communicate and empower their brand. We match our clients' enthusiasm and energy every step of the way to help them become noteworthy.We launch brands. We clarify messaging. We build relationships. Our clients trust us to create work that will inspire and engage.
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$5,000 +
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2 - 9
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$150 - $199 / hr
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US, San Francisco
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We partner with nonprofits, foundations, social brands, and corporations that exist for more than just profit - those with good purpose at the core of their DNA and who share our vision of a better world.
We're a digital agency that works with leading community organizations to connect their brands with social impact stories to gain traction in tomorrow's consumer market.
Our work focuses on taking a brand's social story and taking it through all stages of the engagement funnel with strategy, design and development expertise in digital experiences and marketing campaigns.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, San Diego
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Five Jars is an international Drupal, Web Development, Web Design, and Strategy company led by leaders with 10+ years of experience in web development. In the last 5 years, we’ve delivered 100+ projects for clients in health & fitness, media, art & culture and NGO markets, including 20+ mid-to-enterprise clients such as George Washington’s Mount Vernon, Council for Exceptional Children, Fortune 500 organizations and numerous large YMCAs across the US.
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$10,000 +
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50 - 249
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$100 - $149 / hr
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We are the place where engineering, design and innovation meet scale. We're driving transformation with our Studios Model, Globant X and our global autonomous culture to help build a sustainable business.
We are a digital services company. We are passionate about creating a new way of being digital. We want to help our customers connect emotionally with consumers and employees by leveraging the power of artificial intelligence to optimize business.To improve public access to the Metropolitan Police, we helped create an online system that greatly reduced response times.
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$10,000 +
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> 10,000
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$25 - $49 / hr
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US, San Francisco
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Over the past ten years, we've built large, small, and in-between web applications for hundreds of companies.
At Grio, we believe that the best applications are developed through collaboration. We work closely with your team to understand your product vision, select the best technology to meet your users' needs and develop comprehensive, optimized solutions.Our team's technical expertise includes React, Angular, Vue, Javascript, Node, Ruby on Rails, Elixir, Java, and more.
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$25,000 +
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50 - 249
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$150 - $199 / hr
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US, San Francisco
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As the leading WordPress agency in the San Francisco Bay Area, we will always be available to provide you with ongoing website maintenance as needed as your WordPress website evolves. We also offer monthly WordPress maintenance plans that include WordPress core and plugin updates, real-time site backups, and health and security monitoring. This has been our business model since we were founded in 1998. We'll be there when you need us.
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$10,000 +
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2 - 9
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$100 - $149 / hr
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US, San Francisco
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GODEV is a private full-service consulting firm headquartered in Dallas, Texas, with an experienced team of consultants in Ukraine. We work with the best experts in the field to provide our clients in the United States with a variety of development services. No matter what your project may require, IGODEV is always ready to provide a cost-effective solution for you or your clients.
IGODEV is your reliable application development company. We provide native, hybrid and cross-platform mobile application development services. Our team has extensive experience with mobile applications on all types of available Android and iOS devices. When creating an app, we strive to create a user-friendly design with advanced features through integrated app development. All sectors of banking, retail, food, finance and healthcare need to take advantage of mobile app capabilities, and our skilled team is ready to help you transform your business.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, San Diego
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We are a team of designers, technologists, engineers, product managers, problem solvers, and many others.
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$100,000 +
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10 - 49
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$150 - $199 / hr
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US, San Francisco
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Infinite Red has been designing, building and delivering web and mobile apps for over 10 years. Our frontend team specializes in web and mobile design and development in React.js and React Native for iOS and Android.
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$50,000 +
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10 - 49
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$150 - $199 / hr
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US, San Francisco
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Website development, design, programming, graphic design, video production and photography. Using these and other technologies, Intrepid Network skillfully designs and develops projects on time and on budget.
Intrepid Network was founded in 1996 (then Intrepid Designs) by Josh Utley, president and CEO, who has 23 years of experience in the multimedia industry. Previously, Josh worked at Global Horizons, an international apparel company with $10 million a year in revenue, ManTech, a government services corporation with an average budget of $1 million per project, and in startups with different project budgets and industries.Using the latest technology, leading open source software and commercial tools, Intrepid Network helps clients meet all their multimedia needs.
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$10,000 +
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2 - 9
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$50 - $99 / hr
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US, San Diego
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We also have Ion Imagine Media and Ion Cannabiz to expand our portfolio of services. Efficiently organized web solutions allow us to help our clients focus on their core areas of expertise. This will make it easier for them to work without limiting the boundaries of their workspace, giving them the freedom to soar and explore uncharted territory. We promise to deliver solutions that exceed our clients' expectations.
The dream of iOn Technology was realized by Pravesh Kumar Pandey, Olin Tichy and Ritesh Rai in 2009.With iOn Technology, the company aims to help enterprises realize their full potential through a flexible and customized approach to meet the needs of each project. The main aspiration is to be able to provide comprehensive business solutions by providing software architecture, CRM, digital consulting, web development, implementation services and web design.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, San Diego
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Kalamuna works to create a world in which each citizen's ability to participate and transform social institutions is complemented by technology that they understand and fully control. We focus on inclusive and accessible outcomes, build consensus and provide sustainable technological solutions and content structures.
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$5,000 +
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10 - 49
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$150 - $199 / hr
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US, San Francisco
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Ultimately, our goal is to be YOUR partner, not your developer. We will plan out the vision for the business with you, develop based on future marketing tactics, and make sure you're in the loop closely throughout the whole process. Contact us! We're excited to discuss your project
We craft the most beautiful websites & apps ever. We've mastered the art of stunning design and flawless code. Whether it's your startup or a manual process you'd like to automate for your company, moontek is here. Instead of just serving our clients as developers, we become their business partners, helping them build the software and their business at the same time. Ali, our CEO is an entrepreneur and engineer from UC Berkeley that has started and exited multiple ventures. He understands what it takes to start a company and launch from scratch. He closely manages each project and ensures that each application has design and product in mind.
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Los Angeles
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