Top JavaScript Developers
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Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 87 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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$1,000+$25 - $49 / hr2 - 9
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Web design agency Developera was launched in 2024. The firm focuses on Web Design and Web Development.
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$1,000+< $25 / hr2 - 9Abuja, Nigeria
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Small web design company Tradez Online., is in Abuja, Nigeria. The team provides Web Design and Web Development.
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Undisclosed$25 - $49 / hrFreelancerIndore, India
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Hire Software Experts is a software development company. The team offers Custom Software Development and Mobile App Development, and the company is based in Indore, India.
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$10,000+$50 - $99 / hrFreelancer
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Located in Asnières-sur-Seine, France, Devedanos is a software development firm. Launched in 2022, the team focuses on Custom Software Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Oko Erin, Nigeria
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See all 1 projectsFoenix Hub - Out of Business was a company specializing in Website Development, providing services for both personal and international client needs. Reviews highlighted their outstanding responsiveness and exemplary customer service, with 100% positive feedback regarding their project management and communication style.
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$5,000+$100 - $149 / hr2 - 9Sebastopol, CA
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In Sebastopol, California and Santa Cruz, California, 1stWave Interactive is a branding company. Founded in 2010, the team specializes in Branding and UX/UI Design.
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$10,000+$100 - $149 / hr2 - 9San Diego, CA
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Software development company Notch8 is based in San Diego, California. Launched in 2007, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
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Talik Creative Agency is an e-commerce development company established in 2014. Based in Portland , Oregon, the team focuses on E-Commerce Development and Graphic Design.
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UndisclosedUndisclosed2 - 9Boca Raton, FL
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NextGen Software LLC is an UX company. Their small team is based in Boca Raton, Florida. Their services include UX/UI Design and IT managed services.
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UndisclosedUndisclosed2 - 9Middle Valley, TN
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Karen's World of Design is an e-commerce development firm. They are located in Middle Valley, Tennessee and have small team. Their team focuses on E-Commerce Development and IT managed services.
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UndisclosedUndisclosed2 - 9Lakewood, CO
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Founded in 1999, Admirable Consulting is a software development firm. Based in Lakewood, Colorado, the team focuses on Custom Software Development and IT managed services.
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UndisclosedUndisclosed2 - 9București, Romania
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Contrast Design Studio, a mobile app development firm, is headquartered in București, Romania. They focus on Mobile App Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Bratislava, Slovakia
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Established in 2012, Jozef Hindický, MSc - Web developer Bratislava is a web development company. The team specializes in Web Development.
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UndisclosedUndisclosed2 - 9Palma, Spain
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Web design agency redywebs was established in 1996. The company specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9București, Romania
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IT managed services company Qwerty Solutions was established in 2006. The team provides IT managed services and IT strategy consulting and is based in București, Romania.
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UndisclosedUndisclosed2 - 9Deerfield Beach, FL
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Business Consulting company Acuitive Digital is in Deerfield Beach, Florida. The team specializes in Business Consulting and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9München, Germany
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Custom software development firm Synaptic Network is located in München, Germany. They focus on Custom Software Development and Application Testing and were launched in 2010.
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UndisclosedUndisclosed2 - 9München, Germany
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42robots.com is an UX design agency founded in 2011. The agency provides UX/UI Design and Mobile App Development.
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UndisclosedUndisclosed2 - 9Rosario, Argentina
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Email Marketing company LG SITIOS - Diseño web Argentina is based in Rosario, Argentina. They offer Email Marketing and Graphic Design.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Launched in 2012, Sitios y Web is a small Bogotá, Colombia-based custom software development company. Their team offers Custom Software Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9McKinney, TX
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SILK Media Solutions LLC is an e-commerce development firm. They are based in McKinney, Texas and have small team. They provide E-Commerce Development and Social Media Marketing.
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UndisclosedUndisclosed2 - 9McKinney, TX
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In McKinney, Texas, PRO Marketing Links is a SEO company. They provide Search Engine Optimization and Social Media Marketing and were established in 2010.
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UndisclosedUndisclosed2 - 9Dublin 5, Ireland
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IWebDesign is a web design company. They are headquartered in Dublin 5, Ireland and have small team. Their services include Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Dallas, TX
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Himara Technologies, Inc. Is a custom software development company. They were founded in 2019 and provide Custom Software Development and UX/UI Design.
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UndisclosedUndisclosed2 - 9
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HC Media, a small website development company, is based in Austria. Their services include Web Development.
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UndisclosedUndisclosed2 - 9Alajuela, Costa Rica
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Founded in 2021, Factor K Software is a small Alajuela, Costa Rica-based user experience agency. Their services include UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Lustenau, Austria
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Arkulpa GmbH, a web development company, was established in 2013. In Lustenau, Austria, the team specializes in Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9
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Masterful Media is a web development company. Founded in 2020, the team offers Web Development and Marketing Strategy. The firm is located in Frankfort, Kentucky.
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UndisclosedUndisclosed2 - 9
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Purple Turtle Creative, LLC, a website development company, was established in 2022. The company offers Web Development and API Development, and is small.
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UndisclosedUndisclosed2 - 9Jacksonville, FL
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SpinSpire is a small web development company and app development firm located in Jacksonville, Florida. The team focuses on Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Kampala, Uganda
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Headquartered in Kampala, Uganda, Grandjacs Haven is a software development company. The team provides Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9
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Web development company blumerise was founded in 2019. The company provides Web Development and Pay Per Click, and is small.
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Undisclosed< $25 / hr10 - 49Chandigarh, India
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See all 2 projectsAt TechnoTaau, we specialize in AI-powered digital marketing solutions designed to empower local businesses. Since 2014, we've been committed to transforming digital challenges into growth
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$5,000+$50 - $99 / hr10 - 49Karachi, Pakistan
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See all 2 projectsDotClick provides specialized services in AI-driven feature integration, mobile app performance optimization, UI/UX design improvements, security protocol enhancements, and Agile project management. Reviews highlight DotClick's technical expertise, client-focused approach, and effective communication as key strengths, contributing to significant improvements in user engagement, app performance, and security. However, suggestions for improvement include enhancing their onboarding process and appointing a dedicated point of contact for streamlined communication.
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$5,000+$50 - $99 / hr10 - 49Philadelphia, PA
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See all 1 projectsKFL WebDesign offers web design and development services, focusing on creating unique and effective sales tools. Clients consistently praise their expertise, creativity, and professional approach, which leads to significant increases in website traffic and conversion rates. Client testimonials highlight their seamless workflow and high-level post-launch support.
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Undisclosed< $25 / hr10 - 49Kochi, India
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See all 1 projectsZeekoi Enterprise Solutions provides comprehensive application development, backend management, and investor reporting solutions. Reviews highlight their excellent project management, timely delivery, and proactive problem-solving approach. Their personalized service and technical expertise are praised, though an area for improvement is enhancing their marketing efforts to reach a wider audience.
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Undisclosed$25 - $49 / hr10 - 49New Delhi, India
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Located in New Delhi, India, Clairvoyant Mobile Solutions is a mobile app development company. Their services include Mobile App Development and UX/UI Design.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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Headquartered in Budapest, Hungary and Dublin, Ireland, INU Digital is a small mobile application development company. The team offers Mobile App Development and Application Testing.
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$1,000+$25 - $49 / hr10 - 49Kochi, India
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Sygul Technologies is a SEO agency in Kochi, India. Their services include Search Engine Optimization and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Clayton South, Australia
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Designing Camp is an e-commerce development company. In Clayton South, Australia, their team offers E-Commerce Development and Search Engine Optimization.
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$10,000+$25 - $49 / hr10 - 49Vadodara, India
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WeCrazies is a Vadodara, India-based branding agency. The team specializes in Branding and E-Commerce Development.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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Apt Web Design is a custom software development firm. They are located in Ahmedabad, India. Their team specializes in Custom Software Development and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49
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Fluentsoft Inc is an ERP consulting and SI company. In Santa Clara, California and Bangalore, India, the team specializes in ERP consulting and SI and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Thiruvananthapuram, India
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Infospica Consultancy Services, a small custom software development firm, is located in Thiruvananthapuram, India. The team offers Custom Software Development and UX/UI Design.
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Undisclosed$50 - $99 / hr10 - 49Las Vegas, NV
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Infurm Technologies LLC is an IT managed services company. Their small team is based in Las Vegas, Nevada. Their services include IT managed services and Web Design.
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$1,000+< $25 / hr10 - 49
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Impala Webs is an e-commerce development company. The Chandigarh, India-based agency was founded in 2016. Their services include E-Commerce Development and Search Engine Optimization.
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$10,000+$50 - $99 / hr10 - 49Laytonsville, MD
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Marketing Agency MD is a custom software development firm. The team provides Custom Software Development and UX/UI Design and is in Laytonsville, Maryland.
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$5,000+$25 - $49 / hr10 - 49Chandigarh, India
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Crap Solutions is a web design company. The Kitchener, Canada-based agency offers Web Design and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49Berlin, Germany
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CODEEVOO GmbH is a custom software development company based in Berlin, Germany. The team focuses on Custom Software Development and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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Alps Web Solutions is an e-commerce development firm. Founded in 2011, the team provides E-Commerce Development and UX/UI Design. The firm is located in Ahmedabad, India.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.