JavaScript Development Companies in California
List of the Best JavaScript Development Agencies in California
Galliot means a small and swift galley boat propelled by sail or oars. Our consulting team brings your ideas to life faster. Let our high-quality talent augment your team to deliver robust solutions.
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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 Francisco
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Get It Built is a software development agency founded by a Stanford Computer Science graduate with experience working in big tech, founding a venture-backed startup, and working as an independent freelance developer. We build web and mobile apps for early-stage entrepreneurs, small businesses, and corporate clients. Our mission is to make the development of world-class scalable software solutions available to companies that aren't ready or able to hire a full team of top tech talent. “Extremely organized, professional and honest. They went above and beyond helping me not only create my product and demo, but giving me strategy on finding funding and connecting with other entrepreneurs.” Shayla Adams - Founder at AdaptiveX
“Remarkable engineers. Not only competent software developers, but alsogreat communicators. They deliver great products, and are able to work independently or in a team setting. A joy to work with.” Jose Barrios - CTO at Be Visible
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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 Francisco
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We work to understand your vision, help define your product, then design, build, and launch. We collaborate primarily with startups, businesses, and nonprofits. Our partners include the World Health Organization, World Wildlife Fund, UCLA, USC, and the City of Los Angeles.
Goji Labs is a web and mobile app development company headquartered in Los Angeles. Founded in 2014, the team of 30 has helped startups, businesses and non-profits launch 100+ digital products in a variety of industries. Our services include product strategy, UX research, UX/UI design, web, mobile app, and IoT development. We are product and technology experts and specialize in reducing risk on behalf of our partners when bringing new software ventures to market. We believe no great venture should be held back by technical execution. Translating this core belief into action, we work closely with our partners to launch new initiatives and scale existing ones.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, Los Angeles
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GreenM helps healthcare tech companies to scale and accelerate the time to market by taming the data deluge and building secure, cost-effective, and easy-to-use Analytics platforms. In the last 6+ years, we’ve worked with health data a lot. Like, a lot, lot. Blue Shield, Blue Cross, Medicaid, you name it — we’ve been there and worked with their data. We now want to bring this experience to your platform, too.
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$100,000 +
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10 - 49
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$25 - $49 / hr
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US, Redwood City
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Grizzly is a full-service creative agency in San Diego, CA. We create meaningful growth for the world’s most Adventurous Brands.
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$25,000 +
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10 - 49
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$150 - $199 / hr
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US, San Diego
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Health Samurai has been developing enterprise health IT solutions for over a decade. In 2012, Health Samurai learned about the FHIR standard and became one of the first companies to recognize its potential and implement it in real projects. Since then, Health Samurai has been an active participant in the FHIR community, helping to shape the direction of the standard. The company has developed Aidbox, the FHIR backend platform for modern healthcare solutions.
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Manhattan Beach
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Hounder is a digital design and development company that creates meaningful web experiences and products across platforms (web, mobile, desktop and server) for organizations that are serious about digital.
The number one thing we care about is helping companies, from small startups to large enterprises, create incredible products and web experiences that scale and see actual results.
We’ve simply been able to reduce our partner's cost and risk by taking one project at a time to give the project the attention it deserves to get it done right and on time.
At Hounder, we are driven by one measurement; our partners success.
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$25,000 +
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2 - 9
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$200 - $300 / hr
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US, Redlands
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We’re a team of experienced digital makers from best-of-breed Bay Area companies spanning entertainment, tech, media and agencies. An entrepreneurial team with a lean startup spirit, we’re expats from Live Nation Entertainment, Facebook, Google, Warner Brothers, Epsilon, Zynga and ZURB. We meet brands where they’re at — helping them take control of their digital presence with the products we create and the stories we tell.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Concord
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Founded in 2012 and being the Best & Award-Winning Digital Marketing & Ecommerce Development Agency, iDigitalise provides all aspects of Digital Marketing solutions, including promotional and advertising services to its clients. We are a leading digital marketing company and service provider renowned for our strategic brand services, Search engine optimization, Social Media Marketing, SEM, PPC, Content Marketing, and many more.
Award-Winning Digital Marketing & Website Development Company iDigitalise is the Leading Digital Marketing Agency. Our core expertise is in website design & development along with providing the best digital marketing services for your businesses. We have offices in India, UAE, USA, France, UK, Australia, Dubai please contact us for more information. Our services include Website Development, SEO & Social Media Marketing, Ecommerce Development, Lead Generation for Real Estate, Digital Campaigning, Web Designing &Software & Applications, Mobile App Development, and other 360 marketing solutions.
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$1,000 +
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250 - 999
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$25 - $49 / hr
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US, Los Angeles
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We are well-versed in all aspects related to this tech sector. Awarded Best App Developer 2018-2019 by Clutch.
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$10,000 +
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50 - 249
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< $25 / hr
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US, Lancaster
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Our tasty secret digital marketing sauce is simple. We know the landscape and have the tools and experts to novigate you.
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$1,000 +
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10 - 49
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$100 - $149 / hr
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US, Bellevue
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About IndiaNIC With a talented team of 400+ engineers, project managers and leaders, we excel in providing top-notch award winning solutions. Seeing the clients passionate about their idea makes us excited. We always look for new ways to provide solutions and create a better product. We work on - MOBILE APPS
From B2B or B2E apps for enterprises, small businesses, and startups, we have a proven track record of creating high-impact, result driven and engaging mobile apps on all popular platforms with Native, Cross-Platform, and Hybrid Technologies. MOBILE GAMES
Creating games is the most energetic part of our business. Our skilled team can handle projects from scratch or from any development stage. We’ve been successfully involved in the delivery of a highly interactive and exciting gaming experience on Mobile, Console, and Virtual Reality platforms. WEB DEVELOPMENT
We’ve been working with robust and popular web technologies for just about two decades, and it’s something we still love doing today. Whether creating a web presence for your company, an information hub for your business or empowering your apps / IoT devices through backend or an Online Shopping – we cover a wide spectrum of solutions and frameworks by leveraging the power of the internet. UI / UX
Just as the designs themselves, we love the process of creating them as well. The innovative ideas need greater innovation in the way their visual representation is created.
We tend to lean more on function over the form. We believe in simplicity and focus. We know the fine differentiator between the visually appealing versus the functional design. We help you craft niche experiences for Web and Mobile via designing Information Architecture, Wireframes, Prototypes and Visual Design.
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$10,000 +
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250 - 999
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< $25 / hr
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US, Beverly Hills
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Infonius is a boutique software development firm that works primarily with startups interested in building high quality web and mobile app based products using latest technologies in Big-Data, Java, and Full Stack JavaScript. Headquartered in SF bay area, Infonius also has an offshore center in Mumbai, India with carefully selected highly talented resources. Technology Specialty: Big-Data, MEAN, MERN, AngularJs 4/5, ReactJs, NodeJs, ExpressJs Infonius also provides effective and comprehensive Digital Marketing services.
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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 Jose
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Lake Forest
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Innofied is an Award-Winning Technology Company delivering End-to-end products for the last 10 years to numerous Startups, SMEs and Multi-Billion Dollar Companies. Our clients include Google, Best Buy, VSP Global, Lixil, Nuvoco, Greenply, Kwik Kopy. With 100+ team members and offices in New York, San Francisco, Australia and India, we've been creating amazing products that were loved by millions, won numerous awards, were featured in different media & brought great revenues. ? We've built 600+ products (Web & Mobile) that
- Ranked Top 3 charts several times in the App Stores
- Brought revenues worth $400+ million for our customers
- 80+ clients acquired and/or raised VC funding after working with us.
? What We Do
- Product Strategy
- Wireframing, Prototype & MVP
- UX Design
- Website & Web Application Development
- iOS & Android Development
- React Native & Flutter App Development
- AR, VR, IoT Development
- Quality Assurance & Testing
? Awards & Recognition
- NASSCOM East Award
- PRSI Award of Excellence in App Development '16, '17
- ASSOCHAM Award, '17
- WASME Excellence Award, '17
? View Our Success Stories Visit => innofied.com/case-studies ? Innofied Academy - Youtube Channel Visit => youtube.com/c/innofieds ? Special Plan For Startups We work with numerous startups and we have an Agile Startup Ready™ process that helps startups conceptualize & launch a product in less time and much affordably. ? Reach Us Or just select a time to talk to our team here: innofiedteam.youcanbook.me
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$10,000 +
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50 - 249
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$25 - $49 / hr
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US, Sunnyvale
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Us being great at product craftsmanship, we're able to avoid surprises and focus on the quality of the software that we deliver. We take challenges out of the way no matter where you are in the journey of validating your idea or scaling your product portfolio.
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$5,000 +
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10 - 49
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$25 - $49 / hr
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US, Irvine
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We help you define the essence of your product or service — its reason for being, and the resources needed to fulfill that purpose. We use our understanding of brand, product and distribution to develop and optimize tactics to reach, acquire and retain users.
Interactivism is a boutique UX/UI Design, Research and Dev studio with clients ranging from Dollar Shave Club to JPL/NASA. We help our clients create products and services that are engaging, efficient and easy to use. Our work has helped create more than $2B in exits. Informed by research, and inspired by strategy, we design and develop digital products and services that are delightful, efficient and easy to use. We build quick prototypes to help test hypotheses with real users, or demonstrate functionality to prospective investors and partners. And when a solution is validated, we deliver pixel perfect, clean, scalable and quality assured, production ready code.
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$5,000 +
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2 - 9
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$150 - $199 / hr
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US, Pasadena
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The digital agency's expert team consists of marketers, strategists, analytics, user experience researchers, web design artists, mobile app designers, communication strategists, copywriters, animators, and front and back end web developers that work alongside industry leaders. Decades of business acumen from a diverse network have allowed the agency to grow long-term partnerships with some of the most dynamic national, global, and Fortune 500 brands.
Web Design Agency and leader in enterprise digital transformations. Award-winning solutions include brand strategy, distinctive websites, UX design systems, robust eCommerce & subscriptions, mobile app design, and Ongoing UI/UX Product Design & web development. When exceptional quality, craftsmanship, and dramatic results are required, Isadora Agency is second to none. Enterprise solutions are strategically conceived, and designed from scratch, to increase sales, strengthen positioning, and provide flexibility for growth. These web products empower established B2B & B2C brands while providing a powerful competitive advantage. The agency ensures partners stand out from the competition, enjoy trust & confidence, expert guidance, and exceptional service. This specialized team enjoys going out of their way to deliver service & results beyond expectations. It's why the majority of new clients continue ongoing collaboration with the agency years after the initial engagement.
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$100,000 +
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10 - 49
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$150 - $199 / hr
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US, Los Angeles
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Iteration Group is a boutique product strategy, user experience (UX), design, and software development consulting firm. We work side-by-side with founders and executives at companies around the globe to help them nail a product vision, distill rough product ideas into concrete product designs, create wireframes, get user feedback, create final designs, build prototypes, build mobile apps, build web apps, build web sites, and more. Our clients are in the Healthcare, Real Estate, Financial Services, E-commerce, Education, Ad Tech, Entertainment, and other industries. Our team has a deep passion, interest, and expertise in human factors, cognitive psychology, human-computer interaction, and related areas. While the team is highly technical, our core focus is to deeply understand the needs and motivations of would-be users, respecting the capabilities of available technology, and designing and building instruments that make the user's life easier.
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$25,000 +
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10 - 49
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$150 - $199 / hr
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US, Westlake Village
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Iversen Design provides website design and development services for small to mid-size companies. We are located in beautiful Santa Cruz, CA and serve the greater Bay Area. Most of the websites we develop sit on top of a content management platform such as Wordpress, Drupal or Joomla!, allowing our clients to easily manage their site after launch. In addition to web design, we provide SEO, graphic design and hosting services. Please contact us for a free consultation to discuss your project.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Santa Cruz
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We provide world-class technology engineering services in various disciplines, ranging from software development of mission critical applications and systems, to data analytics and leading edge IoT services, as well as Cloud infrastructure support services.
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$75,000 +
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50 - 249
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$100 - $149 / hr
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US, Santa Monica
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Jets Technologies is a custom software development firm which works to help integrate your systems, optimize your workflows, and maximize the efficiency of your business or organization. With every project we look to generalize your code to make for faster development, along with ensuring compatibility for every device type, and we follow a popular style guide when writing our code. What this means is that even if we're not the people you wish to continue with on your project, we can easily pick it up, hand it over to you, and allow for the next set of developers to see clearly where everything lies. Our applications are designed to work on every one of your platforms, from desktop, to mobile and tablet.
Along with our practices that we follow here at Jets, we look to ensure satisfaction with our customers all throughout the development process. Whether it be weekly releases, monthly releases, snapshots. We work to your desire. Whether it be consulting, system integration, or application development, we're prepared for any job.
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$5,000 +
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2 - 9
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$150 - $199 / hr
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US, Fresno
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WordPress web design and development company located in San Jose, California. All-inclusive plans for companies, large and small. Get a clean, simple, modern, dynamic and responsive WordPress website with ongoing maintenance. Need a website creation or redesign? Contact us today.
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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 Jose
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Just A Web Company is just that! We are a fully dedicated Web Company. We focus on website development, content management systems, e-commerce, and custom web driven programs to help your company succeed in todays global market place. We focus on small to medium sized business's. Just A Web Company is set apart from the competition by providing detail oriented customer service to our clients. We believe that communication is the key to the successful outcome of any project.
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$5,000 +
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2 - 9
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$150 - $199 / hr
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US, Temecula
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Kanopi Studios designs, builds, and supports websites for clients that want to make an impact. We create clean, modern, and user-focused sites that ensure your visitors build a lasting connection with your brand. We are a fully distributed team that hires the best and brightest web design and development talent across North America, but our heart and soul (and many of our staff) are in San Francisco and the state of California. All "Kanopians" are senior-level experts, and many have been thought leaders in our tech space for over a decade. Kanopi Studios is a Drupal Association member with several Acquia certified Drupal developers, and we are the lead organizers of the Bay Area Drupal Camp (BADCamp). We also are regular speakers at both Drupal and WordPress camps.
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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 family-owned Californian company focused on representing your small business online with a beautiful and fast website optimized for Search Engines. Our high-performance web hosting and competitive prices for domain names and business emails put the icing on the cake to be your all-in-one solution for your online marketing needs.
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$1,000 +
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2 - 9
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$100 - $149 / hr
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US, Redlands
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MAB is a full-service digital marketing and web development company founded in 2002. We specialize in all things web - design, branding, development, SEO, sales funnel automation, ecommerce, accessibility, social and analytics. We are a true one-stop-shop blending the flexibility of a small company with the experience and expertise of a marquee agency. As creative problem solvers, we pride oursleves on meeting our client's business objectives with efficiency and creativity. We scratch code dynamic platforms, curate influencer networks, outrank large companies with big budgets, and generally crush the competition. We get shit done.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Santa Ana
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With over 50 high-qualified Magento Developers, more than 60,000 customers and around 200 partners globally, Magestore has been conquering the global market for more than 7 years, making us 1 out of 3 best brands that you can ever find for Magento Retail Solution. Customers are coming to Magestore not only for high-featured extensions but for our complete pack of Magento Development service in which we specialize in building unique ecommerce websites & custom Magento eCommerce solutions. Our core services: Magento Customization Service Magento Website Building Magento Developers for Hire Magento Website Optimization Magento Maintenance Service Magento Installation Magento Website Back-up Service Magento Extensions by Demand
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, San Francisco
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Mangrove Web is a woman-owned website design and development company that builds high-impact custom websites. Our team’s passion is enabling environmentally conscious, social justice-oriented and purpose-driven companies to grow, compete and thrive online.
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$25,000 +
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2 - 9
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$150 - $199 / hr
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US, Oakland
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Mechlin Technologies is an IT services and consulting company with its core competencies in Software Development and Quality Assurance.
Our mission is to provide entrepreneurs and businesses a market edge through innovative solutions. We are technology agnostic to better serve the needs of our clients in emerging technology trends.
We believe to continuously improve our services by aligning us to the global standards for quality, delivery time and development costs. We work with every client to co-engineer customized solutions.
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$5,000 +
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50 - 249
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< $25 / hr
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US, San Diego
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Located in Los Angeles and the Bay Area of California, Mediasans provides end-to-end creative solutions for businesses, small and large. With more than 10 years’ dedicated experience, we deliver bespoke ideations, market analysis research, user experience, interface design and prototyping.
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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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Mercury provides end-to-end website solutions; from strategy and planning to website design, development, and beyond.
Mercury Creative boasts an international staff with working groups based in Seattle and the NYC metro in the United States as well as France, Uruguay and Argentina.
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Laguna Beach
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We pave the way for our clients to the fingertips of users through exquisite web and mobile developments. We deal with a variety of technologies being a partner of choice for innovation-oriented companies. We create solutions from ground up and are constantly putting our effort into perfecting and supporting them.
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, Burlingame
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Miller Media is a software development company located in the San Francisco Bay Area. We provide full web solutions to corporate clients that save them time and money in order to allow them to focus on their core business development. As a consultant, we will assist you in finding your business' pain points, develop efficient technology solutions for them and then implement them with our team of skilled engineers.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Walnut Creek
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Mindhaus is a business consulting firm. We provide product strategy services as well as software design and development services. In our software design and development work, we like to think of ourselves as an Art House and a Technology Shop. Our Work Strikes a Balance between the Science of Function and the Beauty of Art. We offer Services ranging from UX Design and Software Development to Digital Marketing and Demand Generation. In addition to our technical services, we also help technology companies raise capital, recruit key board members and advisors, and make valuable connections with key channel partners who can help grow sales.
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$10,000 +
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10 - 49
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$100 - $149 / hr
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US, Dana Point
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Moosetank is a digital agency that helps companies to validate their business hypotheses, build MVP and make it profitable. We have solid expertise in web design, web development, mobile app development, branding.
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Undisclosed
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10 - 49
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$50 - $99 / hr
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US, Los Angeles
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Los Angeles
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We offer the right service at the right cost. For the outcome you expect. No hidden fees. No unnecessary options. Clear, right and straight to the point. We’re in it for the long haul. We’re proud to guide you all along the way, and help your business grow. We always support your ambition and success.
Based in Los Angeles for over 10 years, Nexeo is a digital solutions company, which designs and develops mobile apps, web services and embedded systems. From entertainment to manufacturing, we believe that every company and project deserves refined design, optimized processes and well-coded systems. That perfectly fit their needs. For over a decade, we’ve assisted leading and emerging companies to leverage the technology necessary to succeed in today’s competitive market. We vigilantly watch over the long-term benefit of our customers so they can achieve their goals and focus on what matters most to them. Without having to worry.
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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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$10,000 +
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2 - 9
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$100 - $149 / hr
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US, San Diego
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Nous is a global software services provider with a presence in 5 continents.
Nous Infosystems is a global product engineering and IT service US-based company. Nous has been delivering technology outsourcing solutions to customers for more than two decades. Nous has achieved the CMMi Level 5 SVC + SSD v1.3 certifications.
Nous offers enterprise application development, maintenance, integration, and legacy app modernization services, product engineering, independent testing, and remote infrastructure management services with deep expertise in competencies in digital (inclusive of digital transformation, digital experience, digital integration services, UX/UI, enterprise mobility consulting, enterprise portals, DevOps, and RPA), cloud computing (inclusive of Azure, AWS, and Salesforce), data analytics and business intelligence solutions (inclusive of data visualization with power bi, data integration and migration, data platform modernization, advanced analytics), software testing (Functional Testing, Test Automation, Performance Testing, Security Testing, and more), IT infrastructure management services (Managed Services, Cloud Automation, ServiceNow implementation, Predictive Monitoring, and more), Microsoft technologies, open source consulting, and agile development services across various industry verticals such as banking and financial services, insurance, healthcare, and retail.
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$5,000 +
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1,000 - 9,999
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$200 - $300 / hr
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US, Pleasanton
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