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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$5,000+< $25 / hr10 - 49T'bilisi, Georgia
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See all 3 projectsSpinom Digital specializes in Web Development services, including Web Design and Online Development projects, notably creating education platforms and accessible online dictionary websites. Their reviews consistently highlight effective communication, timely project delivery, and a professional, proactive approach, making them a reliable partner for web programming and development projects.
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$1,000+$50 - $99 / hr10 - 49
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See all 2 projectsBeetSoft is a web development company specializing in custom website development and IT solutions. Reviews indicate a strong professional relationship, with 100% of feedback highlighting their ability to program diverse requests and effectively understand clients' needs, leading to successful client generation and ongoing updates. The workflow is described as consistently effective and supportive.
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$5,000+$50 - $99 / hr10 - 49
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See all 1 projectsDeveloperLook is a web development company that excels in creating functional and responsive websites optimized for performance and SEO. The company receives overwhelmingly positive feedback, with clients praising their proactive communication and understanding of business objectives. Approximately 90% of reviewers highlight their effective project management and ability to deliver increased order conversions and customer satisfaction.
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$25,000+$25 - $49 / hr10 - 49Novi Sad, Serbia
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See all 1 projectsPositive Tech IT is a web design and development company praised for its ability to deliver modern, mobile-first websites with intuitive navigation and optimized performance. They received 100% positive feedback for their project management and responsiveness, with clients highlighting their attention to detail and alignment with brand vision.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 1 projectsSoft 'n' Web is a web development company specializing in Full-Stack Web Development and Web Application Development. Reviews indicate 100% positive feedback, emphasizing impressive real-time problem-solving and timely project completion. Clients note excellent delivery ahead of schedule, contributing to enhanced testing time and overall satisfaction.
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$1,000+Undisclosed10 - 49Indore, India
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See all 5 projectsInfosparkles IT Solution LLP is a web development company specializing in Website Design, Website Development, and Web Application Development. Their reviews reflect a strong emphasis on excellent project management and customer satisfaction, with 100% of reviewers noting their responsiveness and value for money. Clients appreciate their ability to deliver high-quality work efficiently and align with company values.
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$5,000+$50 - $99 / hr50 - 249Dubai, United Arab Emirates
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See all 1 projectsLeora Solutions LLP is a software development company known for creating tailored solutions, such as supply chain management software, for diverse business needs. With 100% positive feedback, clients appreciate their reliability and proactive approach. Their expertise in mobile app development and commitment to client support further enhance their reputation.
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$1,000+< $25 / hr2 - 9Noida, India
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See all 2 projectsEinfach Hub PVT LTD is a web development company specializing in Web Programming and Custom Website Development. Their reviews are overwhelmingly positive, with clients praising their strong communication skills and cost-effective services. Approximately 100% of reviewers express satisfaction with their work, noting their proactive engagement and reliable delivery.
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$5,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 2 projectsEmpireSoft is a web development company specializing in comprehensive website solutions, including custom website development, web programming, and backend development. Across multiple reviews, clients praised their professionalism, responsiveness, and project management skills, with 100% positive feedback highlighting their customer focus, on-time delivery, and flexibility in accommodating client needs.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsOn Your Mark Solutions LLC is a web development company specializing in custom website development and full-stack web development. They consistently receive positive feedback, with 100% of reviewers highlighting their professionalism, timely delivery, and personalized service. Clients appreciate their ability to enhance brand presence and digital transformation through effective web solutions.
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$25,000+$25 - $49 / hr10 - 49Quezon City, Philippines
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See all 10 projectsProudcloud is a distinguished web development company specializing in custom web application development, full-stack web development, and modern web solutions. With a focus on Node.js, Ruby on Rails, and responsive design, they have consistently delivered high-performing websites that exceed client expectations. Reviews highlight their exceptional project management, technical expertise, and customer-first approach, with 100% positive feedback emphasizing seamless execution and client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Islamabad, Pakistan
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See all 5 projectsGlowlogix is a web development company specializing in advanced web applications, custom website development, and Shopify and WordPress integrations. The company receives mostly positive feedback, with clients praising their work ethic, responsiveness, and project management. However, some reviews indicate a need for improved communication and initial project understanding. Approximately 75% of reviewers express satisfaction with Glowlogix's ability to deliver tailored web solutions.
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$5,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
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See all 3 projectsDevMinds is a renowned web development company specializing in custom website development, CMS integration, and full-stack web development. Across reviews, 100% of clients praise their efficient project management and attention to detail, with notable outcomes such as improved website speed and enhanced user experience. Clients also appreciate their transparency and open communication, highlighting their commitment to delivering high-quality web solutions.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 8 projectsSdreatech Private Limited is a web development company highly praised for its ability to deliver visually appealing and organized websites. The reviews highlight exceptional project management, with a fast turnaround time and effective communication, earning overwhelmingly positive feedback (100% satisfaction) from clients. The firm demonstrates expertise in full-stack web development, meeting client expectations with professionalism and insightful suggestions.
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$1,000+< $25 / hr2 - 9Coimbatore, India
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See all 1 projectsNiralSpectrum Solutions is a full-stack web development company specializing in custom website development, including responsive e-commerce solutions. The feedback is overwhelmingly positive, with 100% of reviewers praising their user-friendly design and excellent project management. Clients appreciate their customer-first approach and seamless integration of analytics tools to enhance website performance.
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UndisclosedUndisclosed10 - 49Rajkot, India
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See all 11 projectsWhite Label Fox is a web development company specializing in app development and custom website development. They consistently receive positive feedback, highlighted by their commitment to delivering projects on time and within budget. Over 90% of reviewers commend their professionalism, responsiveness, and attention to detail, often exceeding client expectations in both communication and technical proficiency.
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$50,000+Undisclosed10 - 49San Diego, CA
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See all 5 projectsOdyssey Computing, Inc. is a web development company specializing in mobile apps, web-based applications, and cloud services. With 100% positive feedback, clients commend their professionalism, efficiency, and high-quality work, often exceeding expectations. Their expertise in custom website development and seamless team integration is consistently highlighted.
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$1,000+$25 - $49 / hr10 - 49Mumbai, India
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See all 1 projects10xtech.co.in is a technology service provider specializing in mobile app development, CMS, and MIS systems. All reviews highlight their professionalism, responsive communication, and alignment with client values, with 100% positive feedback emphasizing their integrity and capability. A managing director praises their understanding of startup needs and cost-effective pricing.
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$5,000+Undisclosed2 - 9Ballwin, MO
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See all 5 projectsData Dynamics, Inc. is an IT services company specializing in cloud solutions, IT support, and software development. Reviews highlight their impressive responsiveness and problem-solving abilities, with 100% of reviewers commending their service quality. They are recognized for quickly addressing technical issues and being a reliable partner for business growth and technology strategy.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsMadsols is a web development company specializing in web design and custom website development. With a 100% positive feedback rate, reviewers consistently praise their excellent communication, attention to detail, and ability to exceed expectations, particularly highlighting their strong project management and alignment with company values.
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$1,000+$25 - $49 / hrFreelancer
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See all 3 projectsDigitize Turf is a software development company that provides planning, implementation, and maintenance services, with a focus on mobile app development and deployment. The company is consistently praised for its high skill level, timely delivery, and effective project management, with 100% of reviewers highlighting their reliability and value for cost. Reviewers report thorough satisfaction, with no suggested areas for improvement.
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$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 4 projectsNetinteractive is a Web Development company that specializes in Custom Website Development and Web Application Development. Their client feedback is overwhelmingly positive, highlighting their client-oriented approach and efficient project management. Approximately 90% of reviewers commend their ability to deliver high-standard services at competitive prices. A recurring theme is their exceptional communication and understanding of client needs, though some issues with external integrations were noted.
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$5,000+$25 - $49 / hr2 - 9Richmond Hill, Canada
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See all 3 projectsHello Fascination is a web development company specializing in comprehensive Website Development, Web Design, and online strategy solutions. Across their reviews, 100% of clients highlight their exceptional project management and strategic business development. The company is praised for a hands-on, personalized approach, consistently delivering impactful and timely results, with clients noting significant improvements in user engagement and operational efficiency.
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Undisclosed< $25 / hr2 - 9Dubai, United Arab Emirates
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See all 1 projectsSamy Designer is a comprehensive web design and digital marketing company, excelling in web development, SEO, and PPC campaigns. With a team of over 25, they have notably designed websites for over 50 clients using technologies like WordPress, Magento, and Laravel. Feedback highlights their strong communication skills, punctuality, and flexible payment processes, with 100% of reviewers expressing satisfaction with their services.
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$5,000+$25 - $49 / hr10 - 49
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See all 6 projects6irdview is a versatile software development company specializing in mobile app development, with a strong focus on iOS and Android platforms. A remarkable 80% of reviewers praised their ability to deliver innovative solutions and quality products. However, 20% mentioned areas for improvement, primarily in communication and timeliness. Their collaborative approach and technical expertise are consistently highlighted as impressive attributes by clients.
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UndisclosedUndisclosed2 - 9
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See all 1 projectsWoolly Mammoth is a web development company specializing in full-stack web development, web application development, and custom website development. The reviews highlight their robust technical expertise, strategic communication, and pragmatic solutions, with 100% positive feedback on their performance. While considered slightly expensive, clients find their services valuable and effective for technical challenges.
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Undisclosed$100 - $149 / hr50 - 249Miami, FL
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See all 3 projectsOrNsoft Corporation is a software development company specializing in custom solutions with a strong emphasis on AI-driven features for enhanced security and operational efficiency. Reviewers consistently praise the firm's technical expertise, responsive communication, and commitment to timely delivery. Approximately 90% of feedback highlights their ability to tailor innovative solutions to specific client needs, while a minor area for improvement mentioned was enhanced documentation.
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$10,000+$25 - $49 / hr10 - 49Sheridan, WY
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See all 2 projectsAPOM Solutions is a software development company specializing in outstaffing services, connecting clients with highly skilled React, Back-end, and Solidity developers. Their reviews reflect a 100% positive feedback rate, with particular praise for their professionalism, communication, and technical proficiency. Reviewers consistently highlight their effective workflows and outstanding service delivery.
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$25,000+$150 - $199 / hr10 - 49
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See all 3 projectsToi is a versatile development agency specializing in web and mobile app design and implementation. Overall, they receive positive feedback for their flexibility, creativity, and collaboration with clients. Approximately 90% of reviewers emphasize their effective communication and project management skills, while some note areas for improvement in providing end-to-end services and client interaction. Despite challenges, clients appreciate Toi's dedication and investment in their projects.
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$1,000+< $25 / hr10 - 49Lucknow, India
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See all 2 projectsHashTag Labs Private Limited offers services in Website Development, Web Design, and Web Programming. The reviews highlight their ability to build attractive, user-friendly websites with a strong focus on personalized customer experiences and effective project management, even during challenging times. Clients appreciate their dedication to continuous support and smart content placement, ensuring long-term partnerships and satisfaction.
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$5,000+$25 - $49 / hr50 - 249Rajkot, India
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See all 1 projectstiez is a web development company specializing in custom web application development and online development solutions. With an ongoing collaboration since 2016, they are praised for their reliability and ability to understand client needs, as evidenced by a 100% positive feedback rate in terms of functionality and support. However, they could enhance their UI design capabilities.
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$1,000+$100 - $149 / hr2 - 9Stockholm, Sweden
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See all 2 projectsAxess Lab is a digital accessibility company specializing in UX development, project management, and web app creation. They receive overwhelmingly positive feedback, with reviewers praising their expertise, effective project management, and commitment to accessibility. Approximately 100% of reviewers highlight their strong communication and user-centric approach, though some suggest expanding their team to handle more projects.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsWebPrime Solutions is a web development company specializing in full-stack web development, custom website development, and web application development. Overall feedback indicates high client satisfaction, with 100% of reviewers praising their professionalism, effective communication, and timely delivery. Reviewers highlight their capability in front-end and back-end development, emphasizing their value for cost and alignment with company values.
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$1,000+$50 - $99 / hr2 - 9Bratislava, Slovakia
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See all 1 projectsSodehal is a web development company known for delivering effective IT solutions, including web application development and system design. The reviews highlight a 100% positive feedback rate, praising their professional project management, timely delivery, and impressive stakeholder engagement. Notably, 100% of clients mention the exceptional user-friendly systems provided by Sodehal.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsShatava Digital Studio is a VR app development company known for delivering high-quality projects at competitive prices. Client feedback is overwhelmingly positive, with 100% of reviewers praising their project management skills and timely delivery. The studio employs a skilled team, including a project manager, game designer, and Unity developer, effectively utilizing tools like Jira for communication.
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$1,000+$25 - $49 / hr50 - 249Elgin, IL
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See all 6 projectsAmerican Digital Studios is a web development firm specializing in Website Development and Web Design services. Reviews highlight their impressive communication skills and timely project delivery. Notably, 100% of reviewers appreciated the brand's look and feel post-project, with no areas for improvement mentioned.
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$10,000+$200 - $300 / hr2 - 9
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See all 3 projectswebsuasion is a full-stack web development company recognized for its expertise in custom website and web application development. Reviews consistently highlight their capability to handle complex projects and data-driven interfaces, with 100% of clients praising their commitment to understanding client needs. While praised for their responsive communication, some noted minor delays in project quotes.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 2 projectsMaxiemind is a software development company that specializes in designing and developing web applications with blockchain integration, utilizing technologies such as React.js, Node.js, and Ruby on Rails. The overall client feedback is highly positive, with 100% satisfaction regarding their project management and technical expertise. Clients appreciate their blockchain experience and seamless communication, although they recommend having a scrum master for those needing scrum methodology.
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$10,000+$25 - $49 / hr50 - 249Batumi, Georgia
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See all 8 projectsLINKERSOFT GROUP is a web development company specializing in backend and full-stack web development. With a 100% satisfaction rate, clients commend their skilled developers, timely delivery, and impressive project management. Their profound fintech understanding and responsive communication highlight their commitment to client success.
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$5,000+$25 - $49 / hr10 - 49Toronto, Canada
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See all 6 projectsTriotech Systems is a leading web development company specializing in web modernization, social media management, and digital content hosting. With 100% positive feedback, clients commend their multi-brand management, technical stability, and responsiveness, particularly during high-traffic events. Around 90% of reviewers highlight their cultural competence and adaptability to non-profit needs, while suggesting enhanced AI integration and video capabilities.
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$25,000+< $25 / hr10 - 49
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See all 4 projectsCodeRunner IT is a versatile software development company specializing in mobile application development, outsourcing, and project management. With predominantly positive reviews, 75% of clients appreciate their adherence to deadlines and integration into workflows, although some highlight areas for improvement in testing and initial design phases. Notably, the company has successfully developed both iOS and Android applications for various industries, demonstrating adaptability and technical proficiency.
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$10,000+$50 - $99 / hr10 - 49Jaipur, India
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See all 2 projectsPhelix Info Solutions is a web development company specializing in SaaS web application development. Reviews highlight their innovative approach and strong technical understanding, with 100% of feedback reflecting positive client experiences and emphasizing effective communication and project management. Clients appreciate their hands-off project management style and ability to align with business needs.
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$10,000+Undisclosed2 - 9Oundle, England
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See all 5 projectsHoney & Jam is a web development company renowned for its expertise in Website Development, Web Design, and Full-Stack Web Development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their timely delivery, strong communication, and innovative approach. Clients consistently highlight the excellent partnership, with no areas for improvement noted.
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$10,000+$25 - $49 / hr50 - 249Sofia, Bulgaria
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See all 4 projectsDSS - Digital and Software Solutions provides Website Development and custom software solutions, specializing in automating ITSM processes through platforms like ServiceNow. Overall feedback highlights their high professionalism, effective project management, and responsive, knowledgeable team. Their services have notably improved customer satisfaction and operational efficiency for clients.
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$10,000+< $25 / hr50 - 249Pune, India
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See all 3 projectsDimentrix Technologies Pvt. Ltd. is a product development company specializing in software development and custom solutions. The reviews consistently highlight their ability to deliver high-quality, scalable solutions promptly. Clients frequently commend their agile development process and impressive project management skills, with 100% of the reviews noting their responsiveness and ability to meet project specifications efficiently.
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$1,000+$50 - $99 / hrFreelancerGateshead, England
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See all 1 projectsBaltic Design is a web development company specializing in custom website development and SEO enhancements. Reviews highlight their effective problem-solving skills and empathy towards client goals, with a notable 111% increase in SEO performance over 24 months. Approximately 100% of reviewers praised their project management and the ease of content updates.
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$5,000+$50 - $99 / hr50 - 249Jakarta, Indonesia
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See all 1 projectsSagara Technology is a product development consultancy specializing in IT solutions, with expertise in backend and frontend development using technologies such as Python, Django, Ruby, and Angular. Approximately 80% of the review feedback is positive, highlighting their commitment to delivering quality products despite occasional project delays and unclear pricing details. Reviewers commend their ability to address and fix initial issues efficiently.
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$10,000+$25 - $49 / hr2 - 9Amsterdam, Netherlands
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See all 2 projectsCode Sentinels is a web development company specializing in custom website and web application development, with a focus on modern React web-based applications. Reviews highlight their timely delivery, quality work, and effective solutions, with 100% of clients appreciating their responsiveness and commitment to client success. Their leadership is praised for excellent communication and deep involvement in projects.
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Undisclosed$50 - $99 / hr2 - 9
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See all 2 projectsYondsite is a web development company specializing in custom website development and web programming. The feedback highlights their timely updates and effective communication, even across different time zones. With high satisfaction from clients, 100% of reviewers appreciate their responsiveness and adherence to project timelines.
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$5,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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See all 1 projectsQualbees is a versatile software development company renowned for their exceptional project execution and custom survey systems, as exemplified by the FeedGap project. With a 100% positive feedback rate, clients praise their responsiveness, flexibility, and ability to deliver complex projects rapidly and within budget. Their professional approach and innovative solutions consistently exceed expectations, making them a trusted partner.
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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 -
$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 -
$25,000+$25 - $49 / hr50 - 249Rickmansworth, England
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development20% JavaScript40% 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.