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 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+< $25 / hr2 - 9
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Established in 2017, Extreme Marketing Company Ltd is a web development firm. Their services include Web Development and Search Engine Optimization.
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$1,000+< $25 / hr2 - 9New Delhi, India
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See all 2 projectsDIGITAL RAI PRIVATE LIMITED offers digital marketing services, with a focus on SEO. Feedback highlights their good value for cost and responsible project management. Clients appreciate the impressive results in SEO services, indicating a reliable and effective approach to digital marketing objectives.
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$1,000+$50 - $99 / hr50 - 249
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See all 1 projectsKrinfud Digitals specializes in crafting marketing strategies and executing digital campaigns. Reviews highlight their impressive quality of work, punctuality, and effective communication. Clients appreciate their young and approachable team, noting progress in their marketing objectives.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 1 projectsRobust Agency specializes in Website Development and Web Design, offering custom solutions like Shopify store creation with premium themes and features. The reviews highlight their effective communication, quick response times, and professional project management. Clients appreciate their expertise in Online Development and their ability to meet deadlines while delivering high-quality, user-friendly websites.
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$5,000+$50 - $99 / hr2 - 9Rīga, Latvia
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See all 2 projectsAt our agency, we help businesses succeed in the digital world by combining cultural understanding, empathy, and thorough research with aesthetically driven design. We work with brands to improve
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$1,000+< $25 / hr2 - 9
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See all 1 projectsWinSoft specializes in Website Development and Web Design, offering comprehensive services such as UI/UX and API development. The reviews highlight their technical expertise, effective project management, and ability to deliver user-friendly solutions ahead of schedule. Clients appreciate their responsiveness and professional demeanor, recommending them for web app and design needs.
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$1,000+$25 - $49 / hr2 - 9Quarteira, Portugal
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Launched in 2023, Rising Formula is a Digital Strategy company. Their team provides Digital Strategy and Social Media Marketing.
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Undisclosed$50 - $99 / hr10 - 49
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See all 1 projectsCBBM STUDIO specializes in Website Development, Web Design, and Web Programming, providing solutions for both front-end and back-end development, including mobile projects. Reviews highlight their ability to deliver outstanding, user-friendly interfaces and effectively solve UX challenges. Clients commend their project management skills, timely delivery, and alignment with company values.
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$1,000+$50 - $99 / hr10 - 49
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Launched in 2024, CodenVibe is a small user experience design agency. Their services include UX/UI Design and Custom Software Development.
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$10,000+$50 - $99 / hr50 - 249
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See all 3 projectsZyneto Global Technologies PVT LTD specializes in Website Development, Web Design, and data-related services such as Web Scraping and Data Cleaning. The overall feedback highlights their innovative solutions, commitment to user-friendly experiences, and efficient project management, with consistent, timely deliveries that met the client's goals and expectations.
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$1,000+< $25 / hr10 - 49Noida, India
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Web development company Ezimax Technologies Pvt. Ltd. Is based in Noida, India and Los Angeles, California. They provide Web Development and E-Commerce Development.
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$10,000+$50 - $99 / hr10 - 49Gliwice, Poland
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Located in Gliwice, Poland, Emphie Solutions is a Product Design company. Their services include Product Design and Web Development.
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Undisclosed$100 - $149 / hrFreelancerCarmel, IN
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Amarok Creative, a web development firm, is located in Carmel, Indiana. Their services include Web Development and Search Engine Optimization.
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Undisclosed$50 - $99 / hrFreelancerLas Vegas, NV
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In Las Vegas, Nevada, Stupendous Web is a custom software development company. The team focuses on Custom Software Development and Web Development.
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$1,000+$50 - $99 / hrFreelancer's-Hertogenbosch, Netherlands
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Web design agency Any Screen Size B.V. Was established in 2011. The small team focuses on Web Design and Web Development.
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$1,000+$50 - $99 / hrFreelancer
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Timofey.ca is a small web design company. Founded in 2019, the team specializes in Web Design and Web Development.
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UndisclosedUndisclosedFreelancerFlorianópolis, Brazil
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Established in 2013, Lucas Mattos is a software development firm. The small team specializes in Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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Custom software development firm Knockout Software specializes in Custom Software Development and Mobile App Development. They are in Cambridge, England.
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$10,000+$50 - $99 / hr10 - 49Helsinki, Finland
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StoryWorks Studio is a web design company launched in 2019. The team focuses on Web Design and UX/UI Design and is in Helsinki, Finland.
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$1,000+$150 - $199 / hr2 - 9Seattle, WA
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SeaMonster Studios, a web development firm, was launched in 2007. In Seattle, Washington, the team focuses on Web Development and UX/UI Design.
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$1,000+$100 - $149 / hr2 - 9Albuquerque, NM
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11 Online is a website development company. The team focuses on Web Development and Web Design, and the agency is headquartered in Albuquerque, New Mexico.
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$10,000+$50 - $99 / hr2 - 9Ixelles, Belgium
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Typi Design is a web development firm. Headquartered in Ixelles, Belgium, the team specializes in Web Development and Web Design.
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$5,000+$100 - $149 / hr2 - 9Flinders Park, Australia
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Pink Panda is a Flinders Park, Australia-based web design company. They offer Web Design and UX/UI Design.
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$5,000+$25 - $49 / hr2 - 9Poznań, Poland
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PROXYONE LLC is a web development firm. They specialize in Web Development and UX/UI Design and were established in 2021. The firm is in Poznań, Poland.
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$5,000+$100 - $149 / hr2 - 9Bristol, England
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Established in 2020, Tiny Spark is a small Bristol, England-based web development company. Their services include Web Development and Web Design.
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Undisclosed$25 - $49 / hr50 - 249Chicago, IL
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See all 1 projectsPixeio offers a comprehensive range of technological solutions, including Website Development, Web Design, and mobile and software development. The overall feedback highlights Pixeio's ability to deliver tailored, high-quality solutions that increase engagement and conversion rates while ensuring affordability and seamless collaboration. Clients value their responsiveness and flexibility, although suggestions for more detailed progress reports were noted.
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$1,000+$25 - $49 / hrFreelancerNelson, Canada
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Optimal Arc Web Development is a web design company based in Nelson, Canada. They provide Web Design and Web Development.
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UndisclosedUndisclosedFreelancerNone, PA
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Out of business, a website development firm and e-commerce development firm, was founded in 2019. The team focuses on Web Development and E-Commerce Development.
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$1,000+$100 - $149 / hrFreelancerReno, NV
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Revolt Media, a web development firm, provide Web Development and Custom Software Development. They were founded in 2001.
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$10,000+$25 - $49 / hr50 - 249Recife, Brazil
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Midsize app development firm Loomi, is headquartered in Recife, Brazil and São Paulo, Brazil. The team focuses on Mobile App Development and Web Development.
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$5,000+$50 - $99 / hr50 - 249San Miguel de Tucumán, Argentina
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Lab9 Digital Agency is a midsize software development firm established in 2017. Their team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249
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Launched in 2010, EXPANDYA is a midsize Fairfield, Connecticut-based web development company. Their team focuses on Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr50 - 249Bengaluru, India
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Ceegees Software Solutions Pvt Ltd is a custom software development company. Headquartered in Bengaluru, India, their team specializes in Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr50 - 249New Delhi, India
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Based in New Delhi, India, ZeroBug is a midsize web design agency. Their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr50 - 249Ahmedabad, India
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Cybercom Creation is a web development firm. The team offers Web Development and E-Commerce Development, and the firm is based in Ahmedabad, India.
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$1,000+$50 - $99 / hr10 - 49Bengaluru, India
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Headquartered in Bengaluru, India, Techkshetra Info Solutions Pvt.Ltd. Is a small IT strategy consulting company. Their services include IT strategy consulting and ERP consulting and SI.
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$10,000+$50 - $99 / hr50 - 249Hyderabad, India
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Founded in 2013, Renee Systems is a web design company. Their team focuses on Web Design and UX/UI Design.
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$1,000+Undisclosed2 - 9
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Launched in 2015, Just Move Limited is a small web development firm. Their team offers Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Jakarta, Indonesia
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Established in 2025, XM Digitals is an UX design company. The team provides UX/UI Design and Email Marketing and is in Jakarta, Indonesia.
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$1,000+$50 - $99 / hr10 - 49Alexandria, Egypt
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See all 7 projectsBlankPage Agency is a web development company that excels in custom website development and full-stack web development, offering services such as web programming and front-end and back-end development. Their reviews reflect a strong reputation for professionalism, responsiveness, and timely delivery, with 100% of reviewers praising their ability to meet project requirements and deliver on-time. Clients consistently commend their adaptability and effective communication skills.
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$1,000+$100 - $149 / hr10 - 49
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Established in 2015, CremUX is a web design agency. The team focuses on Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49Bhilwara, India
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See all 2 projectsProtovo Solutions LLP Protovo Solutions LLP specializes in Website Development, offering exceptional programming and reliable ongoing support for projects, as evidenced by their work on a dating website. The reviews highlight their impressive speed, availability, and high-quality service, making them a trustworthy partner for web development needs.
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$1,000+< $25 / hr10 - 49
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E-commerce development firm Digidoers India Pvt. Ltd. Was launched in 2018. The agency specializes in E-Commerce Development and Web Development, and is small.
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$1,000+< $25 / hr10 - 49New Delhi, India
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App development firm Cogent Web Services is in New Delhi, India. They provide Mobile App Development and Web Development and were established in 2017.
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Undisclosed< $25 / hr10 - 49Rustavi, Georgia
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Founded in 2014, View.ge is a small Rustavi, Georgia-based Video Marketing company. Their team provides Video Marketing and Search Engine Optimization.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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Custom software development firm Cognisun Infotech Pvt. Ltd. Was established in 2007. The small team specializes in Custom Software Development and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Special Region of Yogyakarta, Indonesia
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IT staff augmentation company MGS (Mega Giga Solusindo) provides IT staff augmentation and Enterprise App Modernization. They are in Special Region of Yogyakarta, Indonesia.
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UndisclosedUndisclosed10 - 49
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In Edmonton, Canada, Umano Logic is a social media marketing firm. They provide Social Media Marketing and Search Engine Optimization.
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$5,000+$25 - $49 / hr10 - 49
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Heksadev is a software development company founded in 2020. Located in Zagreb, Croatia and Zagreb, Croatia, the team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9Bogotá, Colombia
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Launched in 2014, Gaira Consulting, a small software development firm, is in Bogotá, Colombia. Their team focuses on Custom Software Development and Web Development.
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List of the Top 15 JavaScript Development Companies
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$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 -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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39.1/40.019.8/20 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
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
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39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$1,000+< $25 / hr250 - 999Boston, MA
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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
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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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.