Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$50,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 2 projectsHuskyJam is a full-stack web development company, known for its efficient and rapid project execution. Garnering 100% positive feedback, reviewers consistently highlight their strong communication and expertise in web programming. They have been praised for delivering a promotional website within a mere three days, significantly boosting KPIs for clients.
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$50,000+$50 - $99 / hr250 - 999
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See all 4 projectsBestPeers InfoSystem Private Limited is a Web Development company praised for its excellent project management, responsiveness, and ability to deliver high-quality results. Approximately 100% of reviews highlight their ability to align with client goals, offering good value and effective communication throughout projects. The company is noted for its enthusiasm in providing engineering expertise and flexibility, but there is a suggestion to improve their DevOps implementation.
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$5,000+$25 - $49 / hr10 - 49
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See all 8 projectsETECH ALL is a web development company specializing in custom website development, web programming, and full-stack web development. The company consistently receives positive feedback, with clients praising their excellent response times, detailed-oriented approach, and ability to meet project timelines. Notably, 100% of reviewers highlighted their responsiveness and communication, underscoring their commitment to client satisfaction and delivering high-quality web development services.
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$5,000+$50 - $99 / hr10 - 49HALNDLE BCH, FL
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See all 4 projectsJett is a web development company specializing in full-stack web development, web design, and custom website development. With a 100% positive feedback rate, clients consistently praise their creative precision, business acumen, and proactive project management. Jett's strategic approach and adaptability have resulted in successful project outcomes, including increased business inquiries and enhanced brand credibility.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 6 projectsBit Adventure is a web development company specializing in creating custom platforms and applications using modern technologies such as React.js, Node.js, Vue, and MySQL. Across their reviews, 100% of clients highlight their flexibility, problem-solving skills, and effective communication. Clients consistently praise their timely project delivery and ability to adapt to feedback, indicating a strong focus on collaboration and client success.
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$1,000+$50 - $99 / hr2 - 9Los Angeles, CA
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See all 9 projectsSunlight Media LLC is a professional web development company providing services such as full-stack web development and web design. They consistently receive positive feedback, with reviewers highlighting their attention to detail, responsiveness, and ability to deliver projects on time and on budget. Approximately 100% of clients express satisfaction with their project management and technical expertise, noting their commitment to quality web programming and custom website development.
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$25,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 20 projects300.codes is a web development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. Their reviews indicate a high level of client satisfaction, with approximately 95% positive feedback. Clients consistently praise their professional project management, adaptability, seamless integration of design and development, and responsive communication. Notably, 75% of reviewers highlight their exceptional technical expertise and innovative solutions.
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$10,000+$50 - $99 / hr50 - 249
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See all 24 projectsRubyGarage is a comprehensive web development company, offering a range of services including custom website development, web application development, and full-stack web development. The company has received overwhelmingly positive feedback, with approximately 95% of reviews praising their project management, technical expertise, and ability to deliver on time. Clients frequently commend their flexibility, communication, and dedication to understanding project needs.
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$5,000+$25 - $49 / hr50 - 249
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See all 9 projectsSOLVVE is a web development company that specializes in custom website development and web application development. They are praised for their professional communication, reliability, and ability to deliver high-quality, user-friendly platforms. With 100% positive feedback from reviewers, SOLVVE is recognized for their collaborative approach and commitment to project success, consistently exceeding expectations through their active engagement and know-how.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 2 projectsSwayam Infotech is a web development company specializing in custom website development and full-stack web development services. Reviews highlight their ability to exceed expectations, with 100% positive feedback on their project management and user satisfaction improvements. Clients praise their responsiveness and dedication, noting the stability and usability of their web platforms.
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$25,000+$150 - $199 / hr10 - 49Boston, MA
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See all 3 projectsVermonster is a full-stack web development company that excels in web application development and back-end development. They delivered a sustainable and highly functional web platform for Boston University's School of Medicine within budget and on schedule. Positive feedback highlights their effective communication and comprehensive project management, with 100% of reviewers expressing satisfaction with their service.
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$25,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 6 projects30Hills is a web development company known for their expertise in mobile application and web programming solutions. Their clients praise their professional approach, with 100% of reviewers highlighting their commitment and persistence in project execution. Notably, 50% of clients mentioned their ability to improve digital communication access significantly. Overall, 30Hills is recognized for delivering valuable and successful projects.
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$5,000+$25 - $49 / hr10 - 49Lisboa, Portugal
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See all 17 projectsINSAIM DESIGN is a web development company specializing in custom website development and front-end development, notably using Webflow. With a high satisfaction rate across reviews, clients commend their creativity and professionalism, with 100% of reviewers highlighting their proactive communication and responsiveness. Although some suggest enhancing project management, their efficiency and innovative design solutions are consistently praised.
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$5,000+$50 - $99 / hr10 - 49Portland, ME
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See all 24 projectsAras Digital Products is a web development company specializing in custom website development and web application development. They consistently receive positive feedback, with 100% of reviewers praising their professionalism, communication, and project management skills. Clients frequently commend their ability to deliver high-quality digital products on time, with exceptional attention to detail and customer collaboration.
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$1,000+$50 - $99 / hr10 - 49Miami, FL
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See all 2 projectsHeader Custom Web Solutions specializes in Website Development, including backend, frontend, and mobile application development. Reviews consistently highlight their technical expertise, collaborative approach, and commitment to customer satisfaction. Clients commend the company for delivering on time, innovative solutions, and exceptional communication, making them a reliable partner for online development projects.
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$100,000+$150 - $199 / hr50 - 249Southborough, MA
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See all 24 projectsAndPlus, An Ensono Company, is a versatile technology firm specializing in Full-Stack Web Development, online development, and web application development. Their reviews highlight a strong reputation for professionalism and systematic project execution, with 100% positive feedback on their comprehensive and strategic approach. Reviewers frequently commend their flexibility, high-quality coding, and dedicated project management, although some suggest improvements in project status communication and cost efficiency.
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$25,000+$50 - $99 / hr50 - 249
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See all 6 projectsMoqod | Software Development is a versatile software development company specializing in custom software solutions for web and mobile applications. Across their reviews, 100% of clients commend their flexibility, technical expertise, and proactive approach, with 80% highlighting their effective project management and communication skills. Their ability to adapt to evolving project needs and deliver quality outcomes is consistently praised, with no significant negative feedback reported.
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$25,000+$100 - $149 / hr10 - 49Philadelphia, PA
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See all 7 projectsMadcraft is a web development company known for its expertise in custom website development, web design, and full-stack web development. Reviews consistently highlight their meticulous attention to detail, innovative solutions, and user-friendly designs. Impressively, 100% of reviewers praised their professionalism and commitment to deadlines, while 75% specifically noted their ability to understand and enhance the client's business model.
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$10,000+$100 - $149 / hr10 - 49Austin, TX
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See all 46 projectsCyboticx is a versatile web development company specializing in custom website development, web application development, and web programming. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their effective communication, technical expertise, and adherence to deadlines. Notably, 80% of clients praised their innovative problem-solving and design capabilities. Cyboticx's commitment to client satisfaction and project success makes them a reliable partner for website and online development projects.
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$10,000+$25 - $49 / hr10 - 49Khmel'nyts'kyi, Ukraine
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See all 42 projectsDevix Digital, a web development company specializing in full-stack web development and design services, consistently receives positive feedback for their exceptional communication and high-quality deliverables. Approximately 90% of reviewers highlight their ability to meet deadlines and manage projects efficiently, resulting in enhanced website functionality and user engagement. Clients appreciate their proactive responsiveness, with 85% mentioning their seamless project management and creative input.
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$1,000+$25 - $49 / hr50 - 249Greater Noida, India
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See all 3 projectsEtelligens Technologies is a software development company specializing in building complex applications and systems, such as E-commerce solutions, mobile apps, and blockchain dApps. Overall, their reviews indicate high satisfaction with their technical expertise, communication, and availability, with over 90% of feedback being positive. However, there is some room for improvement in design aspects. The company is praised for its emotional intelligence and effective project management.
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$10,000+$25 - $49 / hr50 - 249
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See all 23 projectsFreshcode is a full-stack web development company specializing in web application development and custom website development. They consistently receive positive feedback, with approximately 90% of reviews highlighting their technical expertise, effective communication, and reliability in delivering projects on time. Clients commend Freshcode for their seamless integration with in-house teams and ability to adapt to specific needs, facilitating efficient project management and successful outcomes.
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$1,000+$25 - $49 / hr10 - 49Siliguri, India
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See all 18 projectsAppycodes is a robust Web Development company specializing in Website Development, Web Programming, and Full-Stack Web Development. They boast a 100% positive feedback rate across their reviews, with clients highlighting their effective project management, reliable communication, and ability to deliver complex projects on time. Approximately 90% of reviewers praise their ability to meet deadlines consistently.
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$50,000+$25 - $49 / hr50 - 249Vadodara, India
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See all 10 projectsTenup Software Services is a dedicated web development company renowned for its expertise in custom web application development and full-stack web programming. With an emphasis on collaboration and technical acumen, they have consistently delivered optimal solutions, earning positive feedback from clients, such as exceeding expectations in over 80% of reviews. Despite initial communication challenges, their responsive project management and customer-oriented approach have been highly praised.
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$5,000+< $25 / hr50 - 249Gurugram, India
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See all 8 projectsEnuke Software Pvt. Ltd. is a comprehensive software development company specializing in full-stack solutions, mobile applications, and web development. Reviews indicate a strong emphasis on proactive communication, technical competence, and adaptability, with approximately 85% of feedback highlighting their effective project management and responsiveness. Clients praise their coding expertise and customer service, though some suggest minor improvements in meeting timelines. Overall, Enuke Software consistently meets client expectations and delivers quality results.
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$10,000+$25 - $49 / hr50 - 249Kesklinna, Estonia
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See all 9 projectsCode&Care is a web development company specializing in full-stack and web application development, particularly excelling in Angular and React technologies. Across various projects, they consistently deliver high-quality, timely work, garnering positive feedback for their effective project management and strong communication skills. Approximately 80% of reviewers commend their professionalism and adaptability, although some suggest improvements in unit testing and leveraging internal expertise more effectively.
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$25,000+$100 - $149 / hr10 - 49Esslingen am Neckar, Germany
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See all 4 projectsW&S Digitalagentur GmbH is a web development company specializing in custom website development and web design. The reviews highlight their strong project management, responsiveness, and customer-focused approach, with a 100% positive feedback rate emphasizing transparency and creativity. Many reviewers appreciate their ability to deliver tailored solutions and emphasize their effective communication and adherence to timelines.
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$10,000+$25 - $49 / hr50 - 249Coral Springs, FL
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See all 37 projectsAgile Infoways LLC is a versatile web development company offering services such as web application development, custom website development, and front-end and back-end development. Reviews indicate a strong emphasis on project management, timely delivery, and client satisfaction. Approximately 90% of reviewers highlight their impressive communication, transparency, and dedication to client needs, while no significant areas for improvement are noted across the feedback.
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$10,000+$25 - $49 / hr50 - 249București, Romania
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See all 7 projectsQUALITANCE is a digital transformation company recognized for its expertise in Web Development, agile methodologies, and human-centered design. Reviews highlight their innovative approach and strong collaboration with clients, with 100% positive feedback emphasizing impressive project management and the delivery of tailored solutions. Clients commend QUALITANCE for driving growth through emerging technologies and maintaining high user satisfaction.
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$10,000+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 10 projectsEsketchers is a full-stack web development company offering services such as backend development, web programming, and custom website development. The reviews reflect a 100% satisfaction rate, highlighting Esketchers' impressive communication, technical aptitude, and dedication to deadlines. Approximately 75% of reviewers commend the company's expertise and consultative approach, while 25% emphasize their excellent project management and responsiveness.
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$10,000+$150 - $199 / hr2 - 9
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See all 5 projectsATTCK, LLC. is a web development company specializing in full-stack web development, web design, and custom website development. Reviews indicate a strong commitment to responsive project management and quality work, but some clients experienced delays in project timelines. Over 66% of reviews praised their innovative approach and industry knowledge, while 33% mentioned room for improvement in management efficiency.
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$10,000+$25 - $49 / hr50 - 249London, England
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See all 13 projectsKernelics is a web development company specializing in Web Development, Web Design, and Full-Stack Web Development services. Across their reviews, 100% of clients commend their excellent communication, with over 50% highlighting their ability to meet deadlines efficiently. Clients appreciate their flexibility and ability to quickly adapt to changes, with no significant areas for improvement noted.
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$10,000+$100 - $149 / hr10 - 49Frisco, TX
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See all 25 projectsSeota Digital Marketing is a web development company specializing in custom website development and full-stack web development. With an impressive 100% positive feedback rating, clients praise their speed, communication, and professionalism. Approximately 80% of reviewers highlight their responsiveness and problem-solving capabilities. Seota excels in creating user-friendly websites with engaging designs that align with client goals.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 11 projectsINFIBRAIN TECHNOLOGIES LLP is a Web Development company specializing in Custom Website Development and Web Application Development. Reviewers highlight their professionalism and ability to meet client needs, with 95% of project goals achieved and all deadlines met in one engagement. They are commended for their strong work ethic and responsiveness, though one review noted a delay due to communication issues. Overall feedback is positive, with no areas for improvement mentioned.
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Undisclosed$50 - $99 / hr250 - 999Wrocław, Poland
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See all 6 projectsSoftjourn is a Full-Stack Web Development company that provides comprehensive online development solutions, including integration with third-party systems. A notable 100% of the reviews highlight their adaptability, technical competence, and commitment to client needs, demonstrating exceptional value delivery and client satisfaction over a three-year collaboration.
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$5,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 8 projectsMAKSOF is a web development company specializing in web application development and web programming. Reviews highlight their expertise in front-end development, adaptability to client needs, and strong project management skills, with 100% of reviewers praising their timely communication and flexibility. Clients commend their creative solutions and reliability, with no significant areas for improvement noted.
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$10,000+$50 - $99 / hr50 - 249Lisboa, Portugal
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See all 5 projectsCodex Software is a versatile software development company specializing in staff augmentation, application development, and RESTful API design. With over 90% of feedback being positive, clients consistently praise their seamless integration with teams, meeting of deadlines, and proactive problem-solving. Notable strengths include their technical acumen and dedication to client success, earning them a strong reputation for flexibility and adaptability across diverse projects.
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$10,000+$25 - $49 / hr50 - 249Surat, India
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See all 3 projectsLogicwind is a web development company specializing in backend, mobile app, and full-stack web development. The company is praised for its effective project management and timely delivery, with 100% of reviewers highlighting their proactive approach and pragmatic problem-solving. Despite initial team adjustments, Logicwind consistently met project goals and budgets.
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$25,000+$100 - $149 / hr10 - 49Dallas, TX
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See all 23 projectsGroove Jones is a versatile digital solutions company specializing in creating immersive experiences using AR, VR, and AI technologies. Across the reviews, clients praised their innovative approach, technical expertise, and project management skills, with approximately 95% expressing satisfaction with their creativity and responsiveness. Groove Jones excels in executing complex projects within tight deadlines, showcasing their ability to transform client visions into engaging digital experiences.
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$25,000+$100 - $149 / hr10 - 49Dubai, United Arab Emirates
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See all 13 projectsBlack Ink Agency is a comprehensive web development company specializing in website development, branding, and digital innovation. The agency has received overwhelmingly positive feedback, with reviews highlighting their creative excellence, technical precision, and exceptional project management. Notably, 100% of reviewers commend their ability to deliver on time and meet specific client needs, emphasizing their strategic partnership and innovative use of technologies like AR and VR.
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$25,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 12 projectsZirconTech is a full-stack web development company recognized for its expertise in custom website and web application development. The reviews indicate a 100% positive feedback rate, highlighting their flexibility, timely delivery, and excellent project management. Approximately 75% of reviewers commend their adaptability and problem-solving capabilities, emphasizing their ability to meet evolving client needs and maintain transparent communication.
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$50,000+$50 - $99 / hr50 - 249
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See all 34 projectsSynapse Team is a web development company specializing in custom web application development and full-stack web development services. Reviews highlight their expertise in web programming, with a significant emphasis on WordPress and React, and a consistent ability to meet project deadlines. With 100% positive feedback, clients particularly appreciate their effective communication and flexible project management.
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$100,000+$150 - $199 / hr250 - 999Atlanta, GA
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See all 5 projectsBig Nerd Ranch is a software development company specializing in building iOS, Android, and web applications, often integrating advanced technologies like Ruby on Rails and Agile methodologies. The reviews emphasize their strong project management and technical prowess, with a significant portion of clients praising their communication and ability to deliver on time. Approximately 80% of clients highlighted their competence in meeting project requirements and fostering effective collaboration, contributing to a highly positive client experience.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 6 projectsPOSITIWISE offers comprehensive Website Development, Web Design, and Web Programming services, with a particular emphasis on .NET development. The overall feedback from reviews highlights their professionalism, timely project completion, and excellent communication. Clients appreciate their deep expertise, honest commitments, and the high-quality deliverables provided within budget and deadlines.
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$10,000+Undisclosed10 - 49
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See all 35 projectsWondertabs is a web development company specializing in Website Development, Web Design, and Custom Website Development. With 100% positive feedback from reviewers, they are praised for their creativity, technical skills, and responsiveness. Clients commend their ability to deliver projects on time, with 80% highlighting their effective communication and 70% appreciating their commitment to client needs.
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$25,000+$50 - $99 / hr50 - 249Draper, UT
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See all 21 projectsZibtek is a full-stack web development company offering services in custom website development, front-end and back-end development, and web application development. Reviews reflect a mix of positive and negative feedback, with approximately 57% positive, citing strengths in project management, responsiveness, and technical expertise. However, 43% of reviews highlight challenges such as unmet deadlines and communication issues, emphasizing the importance of clear project scope and expectations.
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$10,000+$150 - $199 / hr10 - 49Louisville, KY
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See all 7 projectsVIA Studio is a comprehensive web development company specializing in custom website development, branding, and rebranding services. Their client feedback is overwhelmingly positive, with 100% of reviews commending their project management and adherence to timelines. Notably, 75% of their clients highlight the seamless communication and execution of projects, attributing their success to VIA Studio’s structured approach and clear project delivery.
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$5,000+$25 - $49 / hr50 - 249Pune, India
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See all 13 projectsLatent - An Alpha OBS LLP Venture is a web development company specializing in website design, custom website development, and web application development. Reviewers consistently highlight their timely delivery, flexibility with technology, and budget-friendly pricing. Approximately 100% of the feedback is positive, with clients praising their ability to understand project requirements and deliver solutions effectively.
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$10,000+$25 - $49 / hr10 - 49Ternopil, Ukraine
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See all 5 projectsISITLab is a web development company specializing in custom website development and web programming. They received overwhelmingly positive feedback, with clients noting a 30% increase in orders year-on-year due to their work. Reviewers consistently praised their problem-solving focus and responsiveness, with no significant areas for improvement mentioned.
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$1,000+$25 - $49 / hr250 - 999Dubai, United Arab Emirates
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See all 6 projectsAppsNation is a web development company specializing in custom website development and web application development. The reviews highlight their effective communication and punctual delivery, with a 92% user satisfaction rate and 46% conversion rate from prediction results to law firm connections. The company excels in developing full-stack web and mobile platforms with enterprise-grade security.
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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
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% 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 -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, 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+$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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% 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 -
$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 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.4/40.018.2/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
100% Web Development40% JavaScript -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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
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.