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 91 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development and engineering service provider specializing in full-stack web development and custom website development. The company consistently receives positive feedback, with approximately 95% of reviews highlighting their high-quality developers and management excellence. Clients frequently commend their project management skills and responsiveness, making them a reliable partner for complex web programming and online development projects.
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$1,000+< $25 / hr10 - 49
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See all 8 projectsBay20 Software Consultancy Services P L is a web development company specializing in Magento updates, website development, and programming. They have received highly positive feedback, with clients praising their speed, professionalism, and expertise. Notably, 100% of reviewers commend their ability to deliver projects quickly and effectively, resulting in substantial business improvements, such as a 500% increase in online sales for one client.
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$10,000+$150 - $199 / hr2 - 9Norwalk, CT
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See all 5 projectsAustin Lawrence Group offers comprehensive web development, web design, and digital marketing services, including strategy creation, content development, and campaign execution. Reviews highlight their proactive project management, timely delivery, and extensive marketing expertise. Clients appreciate that the Austin Lawrence Group team functions as an integral part of their marketing departments, driving notable business growth without any areas for improvement mentioned.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsPoxPen Software Development specializes in Custom Website Development and Full-Stack Web Development, with a focus on creating user-friendly and efficient web solutions. Reviews indicate a 100% positive feedback rate, highlighting their precise understanding of client needs, timely delivery, and professional project management. Clients commend their ability to enhance user experience and streamline complex processes using advanced web technology.
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$5,000+$50 - $99 / hr10 - 49
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See all 2 projectsDigiature Technology is a web development company specializing in custom software solutions, such as MLM software development. The reviews reflect a high level of client satisfaction, with 100% of feedback highlighting timely delivery and effective project management. Clients particularly appreciate their specialized approach, which significantly enhances operational efficiency and compliance.
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$1,000+< $25 / hr10 - 49Hyderabad, India
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See all 2 projectsKKEYDOS INFO TECH PVT LTD is a web development company specializing in custom website development and full-stack web development. Reviews highlight their professionalism, technical expertise, and dedication, with 100% of reviewers appreciating their willingness to adapt and address feedback promptly. While communication is noted as an area for improvement, their overall commitment to client satisfaction remains commendable.
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$10,000+$25 - $49 / hr50 - 249
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See all 5 projectsGilzor is a full-stack web development company specializing in custom website development and web application development. They have received overwhelmingly positive feedback, with 100% of reviewers praising their strong project management, timely delivery, and cohesive team collaboration. Clients particularly appreciate their expertise in front-end and back-end development, as well as their ability to integrate complex features seamlessly.
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$1,000+$25 - $49 / hr10 - 49Perai, Malaysia
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See all 6 projectsZoewebs is a web development company specializing in custom website development, web design, and digital marketing. Their reviews indicate a high level of professionalism and responsiveness, with approximately 90% positive feedback. Clients appreciate their expertise in full-stack web development and commend their ability to deliver projects on time and provide continuous support.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsCerdonis Technologies LLC is a mobile app development company known for its strong customer-focused approach and effective project management. Reviews indicate a high level of client satisfaction, with 100% positive feedback emphasizing their flexibility, timely communication, and ability to meet project requirements. Clients appreciate their ability to quickly understand complex source code and deliver tailored solutions efficiently.
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$1,000+$25 - $49 / hr2 - 9
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See all 4 projectsSpecialCase Software Solutions is a web development company specializing in web application development and custom website development. Their services include full-stack web development, front-end and back-end development, and design integration. Feedback indicates a high level of client satisfaction, with timely project completion and effective project management frequently mentioned, and 100% of the reviews convey positive experiences.
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$5,000+$25 - $49 / hr10 - 49Bar, Montenegro
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See all 2 projectsWiregate is a web development company specializing in front-end and back-end development, including web application and API modernization. The company has received overwhelmingly positive feedback, with 100% of reviewers praising its effective communication and ability to produce timely and innovative solutions, resulting in tangible business improvements like a 30% reduction in staffing needs.
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$1,000+$25 - $49 / hr10 - 49Leesburg, VA
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See all 18 projectsFocusteck is a full-service web development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. Their clients commend their professionalism, responsiveness, and expertise in delivering user-friendly platforms, with 80% of reviews highlighting their effective communication and impressive project management skills. However, some suggest improvements in following directions and task delegation.
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$10,000+< $25 / hr10 - 49Noida, India
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See all 10 projectsUcodice Technologies Private Limited is a web development company specializing in custom website development, web application development, and ongoing website maintenance. With a focus on effective communication and fast delivery, they have garnered positive feedback for their ability to enhance website traffic and streamline client project management, with 100% of reviewers highlighting their excellent communication skills and project efficiency.
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$10,000+$100 - $149 / hr10 - 49Berlin, Germany
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See all 3 projectsBananapie GmbH is a Flutter development company praised for its exceptional communication and teamwork. The reviews consistently highlight their reliable delivery of high-quality features and effective remote collaboration. With 100% positive feedback, clients appreciate their ability to integrate seamlessly into existing teams and their openness to innovative problem-solving approaches.
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$1,000+$100 - $149 / hr10 - 49Vancouver, WA
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See all 4 projectsDreamsToLife, LLC is a web development company specializing in custom website development, offering solutions like web programming and full-stack web development. Across their reviews, 100% of clients appreciate their expertise and timely delivery, with many highlighting their fast turnaround and responsiveness. Some mentioned their rates are higher, yet justified by the quality and reliability of their work.
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$10,000+$50 - $99 / hr50 - 249Os, Norway
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See all 5 projectsBetter Soft Services is a proficient web development company specializing in full-stack web development, including .NET and React solutions. With 100% positive feedback, clients commend their high qualification, flexibility, and ability to meet deadlines effectively while maintaining quality. Their agile project management ensures smooth collaboration, making them a reliable partner for custom website and web application development projects.
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$5,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 1 projectsApptycoons is a web development company specializing in web application development and online development services. Their reviews highlight their technical expertise, proactive approach, and timely project delivery, with 100% of reviewers noting their impressive technical capabilities and responsiveness. This suggests a strong fit for projects requiring custom website and full-stack web development.
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$1,000+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 13 projectsMaxobiz, a company specializing in Web Design and Development alongside Branding, has received positive feedback for its punctuality and commitment, with 100% of reviewers highlighting their timely responses and impressive teamwork. Clients appreciate their excellent work, making them a favorable choice for those seeking cost-effective solutions with a great cultural fit.
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$5,000+$25 - $49 / hr2 - 9London, England
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See all 3 projectsMerkur Design is a UX/UI design agency known for delivering comprehensive digital solutions, including e-commerce interfaces, VR dashboards, and social media content management. They maintain a high standard of project management and communication, consistently receiving positive feedback for their creativity, strategic thinking, and ability to translate complex requirements into user-friendly designs. Approximately 100% of reviewers highlighted their responsiveness and professionalism.
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$10,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 1 projectsBARREK Group is a web development company excelling in both design and backend development, particularly noted for their swift delivery. While feedback is predominantly positive regarding their technical capabilities, with emphasis on their expertise in backend development using NodeJS and NextJS, 100% of reviewers highlighted the need for improved communication.
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$5,000+$50 - $99 / hr2 - 9Miami, FL
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See all 3 projectsHyperion Saas LLC specializes in Website Development and Web Design, delivering tailored online development solutions. Clients consistently praise their ability to deliver projects on time, their professional communication, and the impressive value they provide for the cost. The company's friendly approach and excellent customer support further enhance their reputation as a reliable partner for web programming needs.
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$10,000+$50 - $99 / hr10 - 49
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See all 3 projectsEdge Tech Studio specializes in Website Development, offering tailored Web Dev solutions with a focus on innovative problem-solving and client-specific needs. Reviews highlight their expertise in building online ordering platforms, from design to deployment, with impressive communication, project management, and ongoing support. Clients praise their ability to create user-friendly and efficient web systems, enhancing business success and client satisfaction.
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Undisclosed$100 - $149 / hr10 - 49Bountiful, UT
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See all 2 projectsFluid Advertising is a marketing and advertising agency with expertise in digital campaigns, brand development, and project management. They have been praised for their ability to adapt to client needs with professionalism and dedication. Approximately 90% of reviews highlight their exceptional project management skills, while about 10% suggest room for improvement in creative execution and video production.
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Undisclosed$25 - $49 / hr10 - 49Gurugram, India
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See all 1 projectsWebsbaba Technologies Pvt.Ltd. is a web development company specializing in website design and development, along with digital marketing services. The company has been praised for delivering affordable and effective solutions, with clients highlighting notable improvements in online reach and brand presence. Approximately 80% of feedback emphasizes their quick and efficient development work.
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$1,000+$25 - $49 / hr2 - 9
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See all 7 projectsNextG is a web development company specializing in custom website development, full-stack web development, and web application development. With consistently positive feedback, 100% of reviewers commend their responsiveness and adaptability. Clients appreciate NextG's ability to deliver on time, their attention to detail, and seamless integration of new features, enhancing both design and functionality across various platforms.
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$1,000+$25 - $49 / hr10 - 49
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See all 3 projectsLemon.io is a talent matching company specializing in connecting businesses with vetted offshore engineers, particularly from Ukraine. The reviews reflect an overwhelmingly positive sentiment, with praise for Lemon.io's effective project management and the high caliber of their engineers. Approximately 90% of reviewers appreciate the ease of communication and adaptability to client needs, though some suggest improvements could be made to their dashboard functionalities.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 16 projectsTechEniac is a web development company specializing in custom website development, full-stack web development, and web application development. Across reviews, 100% of clients appreciated their professional approach, ease of communication, and timely delivery. Notably, 83% of reviewers emphasized TechEniac's ability to provide a user-friendly design, while 67% highlighted their flexibility in accommodating client needs and changes.
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$5,000+< $25 / hr50 - 249Indore, India
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See all 29 projectsImmersive Infotech Pvt Ltd is a comprehensive web development company specializing in Website Development, Web Application Development, and Custom Website Development. They have consistently received positive feedback, with reviews highlighting their professionalism, effective communication, and commitment to client satisfaction. Approximately 100% of reviewers noted their responsiveness and ability to meet project timelines, underscoring their reliability and dedication to delivering high-quality results.
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$25,000+Undisclosed10 - 49Bengaluru, India
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See all 6 projects1985 is a web development company specializing in maintaining and advancing both iOS mobile apps and web-based solutions. With a strong focus on flexibility and adaptability, 1985 has received positive feedback, with clients appreciating their responsiveness and willingness to accommodate changes. Approximately 100% of reviewers commend their adaptability and collaborative approach.
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Undisclosed$25 - $49 / hr10 - 49
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See all 3 projectsCloutSoft Technologies is a Web Development company specializing in Website Development and Web Design. The company consistently receives positive feedback, with 100% of reviewers highlighting their efficiency, communication, and problem-solving capabilities in delivering projects on schedule and within budget.
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$5,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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See all 2 projectsKodin Soft provides Website Development and Web Programming services, specializing in the enhancement of e-commerce platforms. Overall feedback highlights the company's professionalism, clear communication, and ability to understand and address client needs efficiently. Clients appreciate their effective project management style and the prompt resolution of issues.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 3 projectsQDev Technolab is a web development company specializing in custom website development and web application development. Their reviews highlight an impressive development turnaround time and a strong understanding of business logic, with 100% of feedback noting timely delivery and project success.
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$25,000+$50 - $99 / hr2 - 9Wilmington, DE
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See all 1 projectsIonio is a technology firm specializing in AI-powered SaaS solutions for B2B demand generation and marketing automation. Their reviews are overwhelmingly positive, with 100% of clients highlighting their effective integration of AI technology and proactive communication. Clients praise Ionio for enhancing efficiency and productivity, noting a significant reduction in time spent on administrative tasks and impressive improvements in sales team productivity.
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$5,000+$50 - $99 / hr2 - 9Miami, FL
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See all 2 projectsXNEST is a Web Development company specializing in Custom Website Development and Online Development services. Across their reviews, they are praised for their responsive communication, adherence to deadlines, and quality-oriented approach, with 100% of clients appreciating their project management and delivery timelines. Clients highlight their expertise in Web Programming and Web Application Development, with no reported areas for improvement.
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Undisclosed< $25 / hr2 - 9
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See all 4 projects92 Design is a proficient agency specializing in Website Development and Web Design, delivering innovative online solutions. Client reviews consistently highlight the company's exceptional communication, attention to detail, and effective project management. Customers commend 92 Design for creating cutting-edge websites that align with business objectives, demonstrating expertise in UI/UX design and eCommerce development, resulting in increased customer satisfaction and sales.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsDeskcode Solution Pvt. Ltd. specializes in Website Development, offering services such as mobile app development and web programming, with a focus on creating seamless cross-platform functionality. Reviews highlight their excellent project management, responsiveness, and capability in delivering user-friendly, effective solutions, although there is room for improvement in scalability, documentation, and training provision.
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$50,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 3 projectsTECHNOFRAGRANCE is a web development company specializing in mobile app development, web app development, and backend solutions. Their services are praised for timely delivery and reasonable pricing, with 100% of reviewers highlighting their effective communication and project management skills. The company demonstrates expertise in Laravel, PHP, HTML, and React technologies.
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$10,000+$150 - $199 / hr2 - 9Philadelphia, PA
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See all 2 projectsSyncware Technologies, Inc. is a versatile software development company specializing in creating custom web and mobile applications. The company's reputation is highly favorable, with 100% positive reviews highlighting Markus's exceptional design skills and effective communication. Clients commend his ability to transform visions into reality and appreciate the company's efficiency in addressing business challenges. However, a desire for improved project milestone management was noted.
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$5,000+$25 - $49 / hr10 - 49Pune, India
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See all 7 projectsByte Sigma Technologies is a web development company specializing in Website Development and Web Design. They received mixed feedback, with one review highlighting issues of non-delivery and poor communication, while another praised their technical expertise, project management, and support. Positive feedback constituted 50% of the reviews, underscoring their proficient yet inconsistent service delivery.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 6 projectsWDMtech is a web development company specializing in custom solutions such as PHP scripting, Joomla components, and mapping alternatives. Reviews highlight their flexibility, efficiency, and excellent communication, with about 90% of clients praising their problem-solving skills and friendly approach. They consistently demonstrate expertise across full-stack and custom web development projects.
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$25,000+$25 - $49 / hr250 - 999
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See all 2 projectsSpecific-Group is a software development company specializing in mobile and web application development, as well as system integrations. The company has received overwhelmingly positive feedback, with clients praising their technical expertise, reliability, and ability to deliver projects on time and within budget. Approximately 90% of reviewers highlighted their quick problem-solving skills and effective project management. Some feedback indicated room for improvement in verbal communication skills among non-native English speakers.
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$5,000+$25 - $49 / hr10 - 49Svishtov, Bulgaria
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See all 2 projectsDevnox is a web development company known for delivering high-quality and stylish custom website development services. The feedback is overwhelmingly positive, with 100% of reviewers praising their communication and adherence to deadlines. Notably, clients highlight impressive quality and competitive pricing as standout features.
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$1,000+$25 - $49 / hr2 - 9
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See all 4 projectsDistrict 11 Solutions is a web development company specializing in Web Design and Back-End Development. They efficiently revamped a client's WordPress website, seamlessly integrating it with Shopify. Feedback is overwhelmingly positive, with 100% of reviewers noting the team's efficiency and excellent project management. They are praised for delivering user-friendly and updated sites.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 5 projectsMasterDynamix is a professional web development firm specializing in Web Application Development, Online Development, and Full-Stack Web Development. 100% of reviewers highlight their excellent project management and communication skills. Clients appreciate their adherence to timelines and ability to adapt to evolving project needs, with no major areas for improvement noted.
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$50,000+$100 - $149 / hr2 - 9Zagreb, Croatia
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See all 7 projectsPINKDROIDS is a web development company specializing in custom website development and full-stack web development. Reviews highlight their technical expertise, particularly in frontend and backend development, with a 100% positive feedback rate on their ability to rapidly adapt to project needs and deliver quality results. They excel in transforming complex requirements into efficient online platforms, demonstrating flexibility and attentiveness to client needs.
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$5,000+$50 - $99 / hr2 - 9Kolkata, India
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See all 2 projectsInnovatrix Infotech is a web development company known for its expertise in crafting custom websites and e-commerce solutions. With a focus on delivering high-quality web design and development, they have achieved a 100% positive feedback rate, praised for their attention to detail, effective project management, and ability to enhance brand presence online. Notably, 50% of reviewers highlighted their mobile optimization capabilities.
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$1,000+$50 - $99 / hr2 - 9Zaragoza, Spain
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See all 5 projectsStable Tech is a web development company specializing in custom website development, web application development, and full-stack web development services. The company receives overwhelmingly positive feedback, with approximately 100% of reviewers highlighting their professionalism, smooth communication, and timely project delivery. Clients commend Stable Tech for their ability to create unique user experiences and scalable solutions, with no notable areas for improvement mentioned.
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$50,000+$50 - $99 / hr10 - 49Villavicencio, Colombia
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See all 1 projectsENCISO SYSTEMS is a web development company known for its expertise in custom website development and maintenance. The firm receives overwhelmingly positive feedback, with clients praising their responsiveness and alignment with company values. Notably, 100% of reviewers highlight their effective project management and ability to enhance web-based scientific communication.
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$10,000+$50 - $99 / hr50 - 249Bangkok, Thailand
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See all 4 projectsMAQE is a web development company specializing in front-end and back-end development, custom website development, and web application development, with expertise in technologies like PHP, JavaScript, and Node.js. The overwhelmingly positive feedback highlights their effective communication, timely delivery, problem-solving skills, and commitment, with 100% of reviewers expressing satisfaction with the value and smooth operation of their services.
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$10,000+$25 - $49 / hr50 - 249
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See all 2 projectsDesign Vortax is a web design company known for revamping websites by updating layouts, content, and features. The reviews reflect a positive experience, with 100% of feedback highlighting their responsiveness and ability to incorporate client suggestions. However, it is noted that they could improve response times. Overall, clients are pleased with the results delivered by Design Vortax.
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$10,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 6 projects10A Software House is a web development company excelling in comprehensive Web Application Development and Custom Website Development. They receive overwhelmingly positive feedback, with approximately 100% of reviewers highlighting their adept project management, excellent communication, and tailored customer care. Clients particularly commend their ability to handle complex tasks efficiently while providing valuable suggestions for performance improvement.
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List of the Top 15 JavaScript Development Companies
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$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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.7/40.018.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
38.7/40.019.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
39.1/40.019.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.2/40.019.2/20 Reviews10/10 Clients & Experience10/10 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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Web Development50% JavaScript80% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Web Development50% 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.1/40.016.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.1/40.018.2/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+$50 - $99 / hr10 - 49Covina, CA
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
55% Web Development80% JavaScript45% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.3/40.018.8/20 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
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249L'viv, Ukraine
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Web Development40% JavaScript70% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.1/40.016.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$25,000+$50 - $99 / hr10 - 49Wrocław, Poland
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development70% JavaScript60% 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.