Top JavaScript Developers
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$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 - $49 / hr2 - 9Deesa, India
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See all 3 projectsDigixtial Technologies is a versatile web development company offering custom website development, full-stack web development, and web application development services. With a remarkable 100% positive feedback rate, clients consistently praise their technical expertise, responsive project management, and ability to deliver high-performing, scalable solutions on time. A notable 80% of reviewers highlight their excellent communication and tailored approach to client needs.
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$5,000+$25 - $49 / hr2 - 9Strzelce Krajeńskie, Poland
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See all 2 projectspixes offers specialized services in Website Development and Web Design. The reviews highlight positive feedback on their impressive design capabilities, adherence to deadlines, and budget management. Clients appreciate the team's collaborative approach and professional project execution, making pixes a recommended choice for web development projects.
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$5,000+$25 - $49 / hr2 - 9Punta del Este, Uruguay
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See all 1 projectsXenio is a machine learning development company praised for their strategic and execution capabilities, particularly in core technology projects. Reviews indicate strong communication skills, with 100% positive feedback highlighting their project management and ability to innovate. However, 20% of reviewers noted a language barrier, suggesting room for improvement in multilingual fluency.
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$1,000+< $25 / hr2 - 9Saharanpur, India
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See all 1 projectsLotusCrew Technologies is a software development company known for its efficient and professional delivery of custom technology solutions. The overall feedback is overwhelmingly positive, with 100% of reviewers highlighting their effective communication and understanding of both technical and business needs. Clients appreciate their direct access to skilled IT engineers and adherence to coding standards.
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$10,000+$25 - $49 / hr2 - 9Warszawa, Poland
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See all 1 projectsatEnbi is a software development company specializing in Ruby on Rails applications. Their reviews highlight a strong collaboration focus, with project management praised for proactive communication and agile practices. Their team integrates seamlessly with clients' workflows, delivering high-quality code with minimal issues, as noted by 100% of reviewers. The company's culture is described as informal yet professional, enhancing their collaborative effectiveness.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projects4SOV is a content management and creation company praised for its effective content strategies and social media scheduling. All reviews (100%) commend their timely delivery and responsive communication, highlighting their value for money and alignment with client values. Their fast replies and impressive design work are frequently noted strengths.
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$1,000+$100 - $149 / hr2 - 9
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See all 1 projectsRaddSoft is a web development company specializing in Website Development, Web Design, and SEO optimization. Their reviews highlight an impressive 100% positive feedback regarding their responsive communication and use of modern technologies like Next.js and Tailwind CSS. Clients commend their ability to meet deadlines and deliver high-quality, user-friendly websites that align with brand visions.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsLTX SOFT (Out of Business) was a web development company that specialized in custom website development and full-stack web development solutions. Their overall feedback was positive, with clients praising their experienced team and strong project management skills. Approximately 90% of the time, they delivered projects on time, though suggestions for improvement included expanding their team for quicker results.
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$1,000+$150 - $199 / hr2 - 9
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See all 2 projectsSpacey Studios is a design agency specializing in brand development for new businesses. Noteworthy for their commitment and collaboration, they have received overwhelmingly positive feedback, with 100% of reviewers appreciating their prompt communication and seamless design process. Clients particularly value their ability to translate client vision into comprehensive brand packages.
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$1,000+< $25 / hr10 - 49Mumbai, India
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See all 1 projectsCodes 'n' Coffee Tech. is a software development company specializing in creating custom CRM and practice management solutions. The overall feedback from reviews is highly positive, with notable praise for their efficient project management and innovative UX design. Approximately 100% of reviewers highlight improvements in work processes, while some suggest more thorough initial testing.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsTechticks is a web development company known for its high ratings and cost-effective solutions. The majority of reviews, approximately 80%, highlight their timely delivery and commitment to exceeding client expectations. While initial communication could improve, clients appreciate their dedication to achieving desired results.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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See all 3 projectsContrive Solutions is a proficient web development company specializing in full-stack web development and web application development. The firm consistently receives positive feedback, with 100% of reviewers highlighting their technical expertise, accountability, and effective communication. Clients appreciate their ability to execute complex projects efficiently and their dedication to understanding client needs and delivering high-quality, scalable solutions.
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$50,000+$150 - $199 / hr2 - 9Jerusalem, Israel
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See all 1 projectsPivotal Solutions is a web application development company known for transforming detailed specifications into industry-leading products. The overall feedback is positive, with 100% of reviewers highlighting their smart and dedicated team. However, 100% also note that timelines can occasionally slip, which is considered a reasonable trade-off for high-quality results.
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$10,000+$50 - $99 / hr10 - 49Püünsi, Estonia
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See all 7 projectsRenua is a web development company specializing in Front-End Development, Web Programming, and Custom Website Development. They consistently deliver high-quality work within schedule, as noted in 100% of reviews, and their project management and responsiveness have been commended. The company effectively aligns pricing with client budgets while innovating in UX/UI design and online development.
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$5,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 4 projectsQualiSage is a web development company specializing in custom website development and web design. Their reviews are overwhelmingly positive, with 100% of clients praising their project management, communication, and the quality of their work. Notably, 50% of reviewers emphasize the company's responsiveness and attention to detail, highlighting their ability to deliver exceptional web application development services efficiently.
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$1,000+$50 - $99 / hr2 - 9Radomsko, Poland
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See all 3 projectsSoftwarepark is a web development company specializing in custom website development and web application development. Reviews indicate an overwhelmingly positive reception, with 100% of clients highlighting their fast responses, personalized approach, and exceptional project management. Clients appreciate their ability to deliver functional and aesthetic websites while maintaining excellent communication and flexibility.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 4 projectsInnovation Development HUB is an IT solutions company specializing in custom hardware, software, and security infrastructure development, as well as digital signature services such as Mobile ID. The company is highly regarded with 100% positive feedback from clients, who praise their flexibility, efficiency, and proactive approach. Notably, 33% of the reviewers commend their speed and quality in handling complex solutions.
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$25,000+$100 - $149 / hr10 - 49
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See all 6 projectsPlanes Studio is a web development company specializing in custom website development and web application development, with a strong focus on React. Reviewers highlight their collaborative approach and adaptability, with 100% of feedback praising their leadership and responsiveness in dynamic environments. Their ability to enhance user experience and meet deadlines has resulted in engagement rates surpassing typical benchmarks.
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$5,000+< $25 / hr2 - 9Quakers Hill, Australia
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See all 1 projectsWebstack Solutions is a web development company specializing in Website Development and Web Design. Reviews highlight their expertise in building comprehensive web platforms, with 100% of reviewers noting satisfaction with functionality and design. Clients appreciate their professionalism, effective communication, and problem-solving capabilities, though some suggest more regular updates during the planning stage.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsGeeksCode is a web development company specializing in custom application development and full-stack web development. The reviews highlight their efficient project management, proactive communication, and ability to deliver intuitive and functional solutions, with 100% of reviewers noting their satisfaction and zero negative feedback.
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$1,000+$25 - $49 / hr10 - 49Kolkata, India
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See all 1 projectsEdwid Tech Pvt. Ltd is a proficient software development company excelling in platform development, game design, and technology-driven services. With 99.9% uptime and consistent on-time deliverables, 100% of the reviews commend their robust infrastructure and agile project management, with no noted areas for improvement.
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$1,000+< $25 / hr10 - 49Jaipur, India
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See all 5 projectsA R INFOTECH is a web development company specializing in Website Development and digital marketing services. The company is praised for its supportive and knowledgeable team, with 100% of reviewers noting their impressive work culture and dedication. Clients appreciate their strategic approach to SEO and communication, though website load time is mentioned as an area for improvement.
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$1,000+$25 - $49 / hr2 - 9
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See all 2 projectsdigitalHats is a digital marketing agency specializing in SEO and digital marketing services. They receive high praise for their personalized, data-driven approach, with 100% of reviewers highlighting their ability to deliver measurable outcomes such as improved keyword rankings and increased organic traffic. Their commitment to understanding client needs and efficient project management are consistently noted as standout qualities.
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$1,000+< $25 / hr10 - 49Pune, India
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See all 1 projectsFuturistic5 IT Solutions is a web development company specializing in custom website development and full-stack web development. Their reviews highlight exceptional project management, with 100% satisfaction in uptime and issue resolution within agreed timeframes. Notably, 100% of clients praised their honesty, integrity, and sincere approach to service delivery.
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Undisclosed< $25 / hr10 - 49Hazmiyeh, Lebanon
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See all 9 projectsCloud Systems is a Web Development company specializing in Website Development and Web Design. With 100% positive feedback, clients praise their responsiveness, creativity, and excellent value-to-cost ratio. They are commended for delivering a superior website and logo, enhancing brand identity, while accommodating numerous adjustments professionally.
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$1,000+Undisclosed10 - 49Fahrwangen, Switzerland
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See all 6 projectsPyango GmbH is a distinguished web development company that excels in full-stack web development and custom website development. The reviews are overwhelmingly positive, highlighting their strong project management skills, timely delivery, and collaborative approach, with 100% of reviewers praising their commitment and engagement. Clients appreciate their innovative problem-solving and team integration, noting the exceptional value and cultural fit.
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$1,000+$25 - $49 / hr50 - 249
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See all 3 projectsUK Technology Hub specializes in Website Development and Web Design, providing comprehensive solutions such as building WordPress sites and custom PHP functionality. Clients frequently commend their professional teamwork and effective project management, leading to well-received, user-friendly web applications. Overall, their services have garnered positive feedback, especially for their ability to deliver excellent, easy-to-update websites.
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$10,000+$25 - $49 / hr10 - 49Lublin, Poland
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See all 2 projects6bridges is a web development company specializing in web programming and full-stack web development. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their quality code, performance, and ability to work independently. Reviewers noted their effective project management, though initial process improvements were suggested.
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$10,000+Undisclosed2 - 9Kuala Lumpur, Malaysia
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See all 5 projectsDEZGN Studio is a design agency specializing in UI/UX design, branding, and mobile application development. The reviews highlight their creativity, quick turnaround times, and proactive problem-solving abilities, with 100% positive feedback on their professionalism and effectiveness in communication. Many clients appreciate their understanding of user needs and ability to generate innovative solutions that exceed expectations.
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$10,000+$50 - $99 / hr2 - 9Lisboa, Portugal
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See all 3 projectsMeta Craft is a mobile and web development company renowned for delivering high-quality, scalable solutions across various industries. The company is praised for its exceptional project management, transparent communication, and ability to integrate seamlessly with client teams. Reviews indicate a 100% positive feedback rate, with all clients highlighting their technical expertise and proactive approach to managing project expectations and deliverables.
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$5,000+$25 - $49 / hr2 - 9Lahore, Pakistan
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See all 3 projectsPseudosquare is a web development company specializing in full-stack web development and custom website development, particularly using Ruby on Rails. The reviews reflect a 100% positive sentiment, highlighting their commitment, flexibility, and authentic relationships. Notably, 50% of reviewers praised their adaptability and dedication to client satisfaction, while the quality of work consistently met client expectations.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsDrupOst is a web development company specializing in Drupal-based solutions, offering services such as Custom Website Development and Full-Stack Web Development. Over 95% of the feedback is positive, highlighting their reliability, exceptional communication, and timely delivery. Clients commend their expertise in complex CMS and web application development, demonstrating strong project management skills and high-quality code.
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$10,000+$25 - $49 / hr2 - 9Wrocław, Poland
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See all 3 projects64pandas is a web development company specializing in back-end development and custom website development, utilizing technologies like Python and Django. With consistently positive feedback, clients appreciate their adaptability, timely delivery, and quality of work, with 100% of reviewers highlighting their flexibility and professionalism.
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$1,000+Undisclosed50 - 249
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See all 100 projectsKwebmaker is a comprehensive web development company specializing in custom website development, full-stack web development, and web application development. Across their reviews, 100% of clients commend their technical expertise and responsiveness. They consistently deliver successful outcomes, such as improved online conversion rates or enhanced platform performance, by combining strategic insights with innovative technical solutions.
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$1,000+$100 - $149 / hr2 - 9Liverpool, NY
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See all 2 projectsACS Web Design & SEO is a web development company specializing in web design and SEO services. They effectively enhanced website user experience and improved search visibility, receiving 100% positive feedback for their responsive project management and alignment with clients' needs. Notably, 100% of reviewers highlighted their streamlined process and comprehensive handling of project changes.
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UndisclosedUndisclosed10 - 49Sahibzada Ajit Singh Nagar, India
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See all 3 projectsCosnet is a web development company specializing in front-end development and fast performance optimization. According to their reviews, 100% of feedback highlights their prompt communication and high-quality work, with clients noting timely delivery and effective project management. However, some suggest enhanced communication with backend developers could further improve efficiency.
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 3 projectsCenozic is a web development company offering custom website development and web application development services. The reviews reflect an overall positive sentiment, highlighting their technical expertise, collaborative approach, and ability to deliver high-quality custom solutions, with approximately 90% of clients praising their efficient project management and tailored web solutions. Some feedback suggests improvements in initial timeline estimates and customer service response times.
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$10,000+$100 - $149 / hr2 - 9Spring, TX
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See all 7 projectsTEXAS SOFTWARE is a web development company specializing in custom website development and marketing automation. The reviews highlight their exceptional attention to detail, responsiveness, and ability to meet client expectations, with 100% positive feedback from clients. They are commended for their efficient project management and strong communication skills, ensuring timely project delivery and client satisfaction.
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$1,000+$25 - $49 / hr10 - 49Ghaziabad, India
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See all 1 projectsGenieSoftSystem Pvt Ltd is a mobile application development company with expertise in creating Android mobile security solutions and fintech platforms. The company consistently receives positive feedback, with reviewers highlighting their personalized attention and professionalism throughout projects. 100% of reviewers mentioned timely delivery and adaptability to project modifications, underscoring GenieSoftSystem's commitment to meeting client needs effectively.
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Undisclosed$50 - $99 / hr10 - 49L'viv, Ukraine
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See all 1 projectsUS Informatics is a software development company specializing in Android application development, leveraging technologies like Java, HTML5, and jQuery. Overall, 100% of the feedback highlights their responsive communication and effective project management, though continuity in retaining talent is noted as a challenge. The company is praised for providing quality services at competitive prices while operating efficiently within U.S. time zones.
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$5,000+< $25 / hr10 - 49Ha Noi, Vietnam
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See all 1 projectsTEQIE is a technology company specializing in developing payment platforms, particularly for the F&B industry. The company is praised for its responsiveness and quality solutions, with 100% of reviewers expressing satisfaction with their work. Clients appreciate their effective communication and project management, facilitated through tools like Skype and Google Meet.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsWECODE is a software development company specializing in creating marketplace apps with a strong focus on UX/UI design and innovation. The company has consistently impressed clients with original ideas and a commitment to incorporating market trends. All reviewer feedback is positive, highlighting effective project management and communication, which contributed to the successful development and high user engagement of the Metta app.
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UndisclosedUndisclosed10 - 49
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See all 14 projectsTrident Spark is a reputable firm specializing in Web Development, Custom Software, and E-commerce solutions. Approximately 100% of their reviews highlight their reliability, timely delivery, and responsive communication. Clients frequently commend their ability to customize solutions and offer ongoing support, demonstrating a commitment to client satisfaction and project success.
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$5,000+$25 - $49 / hr10 - 49
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See all 4 projectsViPrak Web Solutions is a web development company proficient in Website Development and iOS applications. Reviewers highlight their professionalism and timely delivery, with 100% positive feedback on their skillful execution of complex projects, such as building platforms for direct student-teacher communication. The firm excels in PHP and Swift, ensuring high-quality outputs.
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$25,000+$25 - $49 / hr50 - 249
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See all 4 projectsDatafortune INC, a company renowned for Web Development and Web Application Development, excels in delivering custom software solutions. With 100% positive feedback, clients consistently praise their work ethic, effective project management, and seamless integration into organizational cultures. Their ability to deliver projects promptly and adapt to changes is frequently highlighted by clients.
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$1,000+$50 - $99 / hr2 - 9
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See all 2 projectsCentricweb is a mobile application development company specializing in creating cross-platform solutions for healthcare professionals. Feedback from clients indicates a 100% positive response, highlighting their intuitive design, effective project management, and adaptability. Clients commend their ability to deliver well-structured and user-friendly apps, enhancing clinical efficiency and satisfaction.
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$1,000+$50 - $99 / hr50 - 249Drive, England
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See all 4 projectsiTechniq is a web development company specializing in custom website development, web application development, and performance marketing. The firm has received positive feedback, with clients noting their technical expertise, cost-effectiveness, and timely project delivery. Approximately 100% of reviewers highlighted iTechniq's seamless project management and ability to exceed expectations, particularly in enhancing business performance and user experience.
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$5,000+$25 - $49 / hr50 - 249
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See all 4 projectsMidriff Info Solution Pvt. Ltd. is a distinguished web development company specializing in creating customized applications, platforms, and databases. Their exceptional project management and high-quality services have impressed clients, with 100% of reviews highlighting their professionalism and effective communication. Clients commend their ability to deliver on time, often exceeding expectations, while catering to industry-specific needs through tailored solutions.
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$1,000+$50 - $99 / hr2 - 9Gliwice, Poland
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See all 5 projectsDigital Habitat IT specializes in Web Development, providing services such as Website Design, Custom Website Development, and Web Application Development. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their professionalism, timely delivery, and technical expertise. Clients highlight Digital Habitat's attention to detail and ongoing support, making them a reliable and flexible partner for diverse web development needs.
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$5,000+$50 - $99 / hr2 - 9
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See all 4 projectsCreek & Pine is a web development company specializing in custom website development, web design, and digital experiences. They consistently receive positive feedback, with 100% of reviewers praising their effective project management, timely delivery, and eco-friendly features. Clients are impressed by their proactive communication and ability to enhance original ideas, making them a reliable choice for comprehensive web development needs.
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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
39/40.019.2/20 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
Ability to deliver
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
Ability to deliver
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
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$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 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+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% 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 / 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 - 249Cypress, 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.