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 86 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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$10,000+$25 - $49 / hr10 - 49Philadelphia, PA
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See all 19 projectsDignitas Digital is a comprehensive web development company offering services like custom website development, full-stack web development, and web application development. Across their reviews, 100% of clients praise their communication and project management, with notable increases in website traffic and functionality improvements. They are commended for their strategic thinking and ability to meet clients' digital marketing, SEO, and online development needs efficiently.
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$10,000+$50 - $99 / hr50 - 249Kraków, Poland
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See all 18 projectsImplex is a versatile web development company that specializes in full-stack web development, custom website development, and web design. With approximately 90% positive feedback, clients commend Implex for their high-quality code, prompt communication, and innovative problem-solving. Notably, 80% of reviews highlight the company's ability to deliver projects on time, while 70% appreciate their collaborative approach and technical expertise.
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$10,000+$25 - $49 / hr250 - 999Warszawa, Poland
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See all 15 projectsAzati Software is a full-stack web development company specializing in custom website development, web application development, and UX/UI design. They have consistently received positive feedback, with 100% of clients noting their professionalism, ability to meet deadlines, and effective project management. Clients appreciate Azati's innovative approach and expertise, particularly in complex fields like bioinformatics.
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$10,000+< $25 / hr50 - 249Jakarta, Indonesia
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See all 10 projectsDOT Indonesia is a web development company specializing in custom website development and web application development. The reviews reflect a 100% positive sentiment, highlighting their eagerness to learn and adapt, and their effective project management. Approximately 50% of reviewers appreciated their commitment to delivering projects on time and within budget.
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$10,000+$50 - $99 / hr10 - 49Reston, VA
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See all 39 projectsTechnology Rivers is a custom website development company specializing in web application development, UX/UI design, and full-stack web development. The company has received overwhelmingly positive feedback, with over 95% of reviews highlighting their responsiveness, bug-free deliverables, and strong project management. Clients consistently praise their exceptional communication, collaborative approach, and strategic advice in realizing client visions while staying within budget.
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$5,000+$50 - $99 / hr10 - 49
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See all 19 projectsBULL SOFTWARE SRL is a web development company specializing in creating modern, responsive, and user-friendly websites and web applications. They have received overwhelmingly positive feedback, with 100% of reviews highlighting their technical expertise, professionalism, and ability to align with client visions. Clients commend their project management skills, timely delivery, and proactive communication, noting their attention to detail and collaborative approach as key strengths.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 25 projectscodequest is a web development company specializing in custom website development, web application development, and full-stack web development. They consistently receive positive feedback for their technical expertise and project management skills, with over 95% of reviews noting their responsive communication and high-quality engineering. Clients appreciate their ability to understand complex requirements and simplify processes, contributing to successful project outcomes and ongoing collaborations.
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$10,000+$100 - $149 / hr10 - 49Atlanta, GA
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See all 14 projects7Factor Software is a web development company specializing in web-based application development and custom website development. The reviews highlight their exceptional flexibility and collaboration, with 100% of feedback being positive, praising their ability to enhance project outcomes. Their expertise in Ruby on Rails and effective project adaptation contributed to increased revenue and customer retention for clients.
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$1,000+$25 - $49 / hr50 - 249Makati, Philippines
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See all 7 projectsGlobal BrainForce is a software development company specializing in custom software and web application development, with a strong focus on staff augmentation services. Reviewers consistently praise the quality and speed of their developers, noting a 100% satisfaction rate with their performance and project management. Clients highlight Global BrainForce's ability to deliver skilled, experienced developers who integrate seamlessly into existing teams.
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$10,000+$50 - $99 / hr2 - 9Chorleywood, England
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See all 8 projectsGemstone is a web development company specializing in custom website development and web application development. They consistently receive positive feedback for their proactive and collaborative approach, with 100% of reviewers praising their communication and responsiveness. Clients appreciate their ability to deliver projects on time and within budget, though some suggest clearer upfront timelines could enhance project management.
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$100,000+$150 - $199 / hr10 - 49Wake Forest, NC
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See all 9 projectsBig Pixel is a web development company specializing in Web Design, Custom Website Development, and Full-Stack Web Development. Reviews reveal a 100% positive feedback rate, highlighting their expertise in interactive web design and collaborative project management, with clients appreciating their attentiveness and creative approach. Most reviews emphasize their ability to integrate client needs and ensure successful project outcomes.
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$1,000+$50 - $99 / hr10 - 49Indianapolis, IN
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See all 9 projectsKurieta LLC is a full-service Web Development and branding agency known for its comprehensive approach to Website Development, including Web Design and Custom Website Development. Reviews from clients consistently highlight their exceptional communication and project management skills, with 100% positive feedback regarding their responsiveness and ability to meet deadlines. Clients also appreciate Kurieta LLC's flexibility and personalized service, referencing their strategic branding recommendations and development expertise.
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$5,000+$100 - $149 / hr2 - 9Canton, MI
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See all 15 projectsCR Software Solutions is a web development company specializing in custom website development and full-stack web development, with a focus on web design, back-end development, and web application development. The company consistently receives positive feedback, with 100% of reviewers highlighting their strong project management, timely delivery, and exceptional customer service. Additionally, 85% of reviews commend their professional communication and ability to meet clients' specific requirements.
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$5,000+$25 - $49 / hr50 - 249Ha Noi, Vietnam
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See all 27 projectsHola Tech is a proficient web development company, excelling in full-stack web development and customization across various industries. Their reviews reflect an 80% positive feedback rate, with clients praising their project management, timely delivery, and innovative solutions. Approximately 60% of reviews highlight their expertise in secure web design and development, while some suggest enhancements in post-launch support and timezone flexibility.
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$100,000+$150 - $199 / hr10 - 49San Diego, CA
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See all 9 projectsHyperTrends Global Inc. is a web development company specializing in full-stack web development, custom website development, and web application development. They consistently impressed clients with efficient project management and timely communication, with approximately 100% positive feedback. Reviewers frequently commend their proactive approach, attention to client needs, and innovative solutions tailored to complex industry requirements.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 8 projectsAvology Technologies PVT LTD is a versatile web development company specializing in Full-Stack Web Development and Website Maintenance. The feedback is overwhelmingly positive, with 100% of reviewers praising their flexibility, technical skills, and reliability in delivering projects on time. Some feedback suggests improvement in communication regarding development queries.
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$10,000+$25 - $49 / hr10 - 49Leidschendam, Netherlands
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See all 15 projectsGain Impact is a full-stack web development company specializing in custom website development and web application development. Across their reviews, 100% of clients praised their proactive approach, with 80% highlighting their innovative problem-solving and client collaboration. The company consistently delivers on time, ensuring high customer satisfaction by combining technical excellence with responsive project management.
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$1,000+$50 - $99 / hr10 - 49
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See all 18 projectsBeejern is a web development company specializing in full-stack web development and AI integration, consistently delivering high-quality, scalable platforms. Their reviews are overwhelmingly positive, with 92% user satisfaction in UX/UI design and a notable reduction in manual tasks by 60%. Clients commend their technical expertise, proactive problem-solving, and effective project management, describing Beejern as an extension of their own team.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 10 projectsSOTechnology is a versatile web development company specializing in custom website development, including Web Design and Full-Stack Web Development. With overwhelmingly positive feedback, 100% of reviewers praise their technical expertise and proactive project management. Clients frequently commend their ability to deliver projects on time and their commitment to understanding and aligning with business goals, making them a reliable partner for online development projects.
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$10,000+$100 - $149 / hr2 - 9San Francisco, CA
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See all 21 projectsPrompt Digital is a web development company specializing in custom website development, front-end and back-end development, and full-stack web development. Their reviews highlight a 100% positive feedback rate, emphasizing their exceptional project management and ability to deliver aesthetic, high-performance digital solutions. Clients particularly praise their responsiveness and ability to translate complex B2B technology into user-friendly interfaces.
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$1,000+$100 - $149 / hr10 - 49Phoenix, AZ
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See all 12 projectsSigna Marketing is a full-service web development and SEO agency known for its expertise in creating custom website solutions and implementing strong SEO strategies. The company receives overwhelmingly positive feedback, with over 90% of reviewers praising their communication, professionalism, and timely project delivery. Clients consistently highlight their ability to transform ideas into functional and attractive web solutions while emphasizing their helpful, client-oriented approach.
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$1,000+$100 - $149 / hr2 - 9New York, NY
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See all 12 projectsAgency atQuo is a distinguished web development company specializing in Website Development, Custom Website Development, and Web Application Development. With 100% of reviews highlighting their exceptional communication, on-time delivery, and solutions-oriented approach, clients consistently praise their professionalism and ability to exceed expectations, resulting in highly functional and user-friendly websites.
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$10,000+$100 - $149 / hr2 - 9Berlin, Germany
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See all 3 projectsOvernice is a web development company specializing in custom website development and web design. They received 100% positive feedback for delivering high-quality projects on time and within budget. Reviewers consistently highlight their detail-oriented approach and exceptional project management skills.
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$5,000+$100 - $149 / hr2 - 9Vancouver, WA
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See all 7 projectsS'more Brands is a comprehensive web development and brand strategy firm known for its brand-first approach to web design and development, excelling in Custom Website Development and Front-End Development. Reviewers highlight the firm's effectiveness in creating user-friendly websites and strong brand strategies, with 100% of feedback noting positive outcomes and professional project management. A slight challenge was the complexity of maintaining the CMS.
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$10,000+$100 - $149 / hr10 - 49London, England
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See all 5 projectsArtistsweb is a distinguished web development company specializing in web design, custom website development, and full-stack web development. With a 100% positive feedback rate, clients highly commend their professionalism, creativity, and ability to deliver visually stunning and functional websites. Most reviews (75%) highlight their effective communication and commitment to delivering projects on time.
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$10,000+$50 - $99 / hr10 - 49Tullamore, Ireland
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See all 22 projectsAppify is a web and app development company specializing in Custom Website Development and mobile app solutions. The company received overwhelmingly positive feedback, with 100% of reviewers praising their expertise, timely delivery, and personalized project management. A notable 75% of reviews highlighted the CEO's direct involvement, contributing to their outstanding client service and successful project execution.
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$25,000+$150 - $199 / hr10 - 49McMinnville, OR
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See all 20 projectsBuildable Custom Software is a full-stack web development company specializing in custom website development and web application development. Overall, their reviews are overwhelmingly positive, with clients praising their project management and technical expertise. Notably, 100% of reviewers commend their responsiveness and ability to exceed project expectations, highlighting their proficiency in both front-end and back-end development.
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$10,000+$50 - $99 / hr50 - 249Mumbai, India
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See all 3 projects3 Minds is a web development company specializing in modernizing web infrastructures and enhancing user interfaces. With successful outcomes such as improved performance, a 30% reduction in booking steps, and enhanced SEO, their project management and unique UI/UX design skills receive praise. Approximately 90% of feedback highlights their ability to deliver a fresh and responsive online platform.
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$10,000+$50 - $99 / hr10 - 49Skopje, North Macedonia
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See all 5 projectsCodeart is a distinguished web development company offering services such as custom website development, full-stack web development, and web design. With a 100% positive feedback rate, Codeart is lauded for its exceptional project management, technical expertise, and creative design capabilities, resulting in high client satisfaction and successful project outcomes. Many reviewers (at least 80%) highlight their professionalism, timely delivery, and ability to exceed expectations through innovative solutions.
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$10,000+$50 - $99 / hr50 - 249București, Romania
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See all 10 projectsessensys { technology is a web development company specializing in custom and full-stack web development, with a focus on web application development. Their reviews highlight a 100% success rate in delivering timely, reliable, and user-friendly applications, praised for adaptability and client-centric approaches. Notably, 100% of reviewers appreciated their project management and communication skills.
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$25,000+$50 - $99 / hr50 - 249Budva, Montenegro
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See all 5 projectsByteminds is a web development company specializing in full-stack and custom website development, demonstrating expertise in both front-end and back-end projects. Reviews reveal a high satisfaction rate, with clients praising their strategic thinking, timely delivery, and effective communication. Approximately 90% of feedback highlights their user-friendly solutions and successful project management, underscoring their ability to transform complex ideas into functional platforms.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 5 projectsMeant4.com is a web development company specializing in custom website development and web application development. With a 100% positive feedback rate, clients praise their commitment, agility, and excellent project management skills. Reviewers consistently highlight Meant4.com's ability to deliver scalable solutions and adapt to evolving project needs efficiently.
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$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 8 projectsCIGen is a software development company renowned for offering high-quality services in software engineering, mobile app development, and data management solutions. They consistently receive positive feedback, with 100% of reviewers highlighting their deep expertise, commitment to project success, and alignment with client values. Clients appreciate CIGen’s skilled team, proactive communication, and ability to meet deadlines, making them a reliable partner for complex projects.
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$5,000+$50 - $99 / hr10 - 49Richmond, Australia
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See all 12 projectsEcompapi Digital Agency specializes in Website Development and SEO, offering services such as full-scale website redevelopment, SEO optimization, and digital marketing. Across reviews, clients consistently praise Ecompapi for their responsiveness, project management, and ability to enhance traffic and lead generation. Notably, 100% of reviewers report satisfaction, with increased online engagement and brand awareness frequently highlighted.
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$25,000+$50 - $99 / hr50 - 249Ljubljana, Slovenia
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See all 8 projectsAgiledrop - developers for agencies and in-house teams is a web development company specializing in custom website development, full-stack web development, and web application development. The reviews highlight their seamless integration with teams, punctual delivery, and reliable project management. Approximately 80% of the reviews praise their effective communication and technical expertise, while 20% mention a need for more proactive planning suggestions.
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$1,000+$50 - $99 / hr2 - 9Santa Clarita, CA
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See all 5 projectsDesignCoil is a web development company specializing in Magento and WordPress platforms, offering services like website optimization, performance upgrades, and custom development. With a 100% positive feedback rate in reviews, clients consistently highlight their responsiveness, technical expertise, and ability to deliver projects on time, often resulting in improved business performance and scalability.
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$10,000+$100 - $149 / hr2 - 9New York, NY
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See all 21 projectsTorii Studio is a web development company renowned for its expertise in full-stack web development, web design, and web application development. The company consistently receives positive feedback, with 86% of reviewers highlighting their high technical competence and project management capabilities. Clients appreciate Torii Studio's ability to deliver polished, scalable solutions on time, with 52% noting their impressive blend of design sensitivity and engineering excellence.
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$5,000+$25 - $49 / hr250 - 999Cardiff, Wales
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See all 9 projectsDigiMantra is a web development company specializing in Website Development, Full-Stack Web Development, and UX design. Across their reviews, they consistently receive positive feedback, with clients praising their seamless integration of back-end functionality and front-end design, exceptional project management, and adherence to deadlines. Approximately 100% of reviewers commend their adaptability, communication, and commitment to delivering high-quality, user-friendly platforms.
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$25,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 13 projectsMetaCTO is a versatile web development company with a strong focus on custom website development, full-stack web development, and web application development. The company consistently receives high praise, with 100% of reviews highlighting their exceptional project management, responsiveness, and ability to deliver complex projects on time. Clients commend MetaCTO for their innovative web design and programming solutions, seamless integration capabilities, and the ability to enhance user experience effectively.
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$25,000+$25 - $49 / hr50 - 249București, Romania
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See all 14 projectsIT Teams is a software development company that specializes in Web Development and testing services, delivering high-quality products for cloud-based IoT platforms. Their reviews emphasize a 100% positive feedback rate, highlighting their exceptional responsiveness and dedication to customer satisfaction. The team effectively scaled the platform to over 10 software products, demonstrating flexibility and strong project management skills.
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$5,000+$50 - $99 / hr2 - 9
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See all 7 projectsScaleMeUp is a full-stack web development company specializing in custom website and web application development. They have consistently received positive feedback, with reviewers praising their on-time delivery, effective project management, and strong communication skills. Approximately 100% of reviewers commend their efficiency and attention to detail, resulting in increased traffic, improved conversion rates, and enhanced online presence for clients.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 7 projectsUltivic Pvt Ltd is a distinguished web development company known for its expertise in custom software solutions, web and mobile app development, and backend architecture. Across 100% of reviews, clients praise their technical excellence, seamless project management, and ability to deliver intuitive, high-quality products. The company is lauded for its ability to adapt to client needs, maintain transparent communication, and consistently exceed expectations.
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$10,000+$25 - $49 / hr10 - 49Banská Bystrica, Slovakia
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See all 8 projectsDigital Solutions Studio is a web development company specializing in full-stack web development, web design, and custom website development. With high ratings and a motivated team, 100% of their reviews highlight their strong project management skills and responsiveness. Clients consistently praise their excellent communication and ability to deliver on time, making them a reliable choice for web programming and web application development.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 29 projectsVolpis is a full-stack web development company that excels in creating custom web applications, as evidenced by their project with Seaport Resort & Marina. Their client praised the seamless, user-friendly design and effective project management. With 100% positive feedback, Volpis stands out for their prompt communication and deep understanding of web development technologies.
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$10,000+$25 - $49 / hr10 - 49Medellín, Colombia
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See all 9 projectsCodeBranch is a web development company that excels in web programming and full-stack web development. Their reviews highlight a 100% positive feedback rate, emphasizing their effective project management and timely delivery. Clients particularly value their experienced team and attentive support, with no noted areas for improvement.
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$5,000+< $25 / hr50 - 249Jaipur, India
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See all 15 projectsDeorwine Infotech is a comprehensive web development and mobile app company offering services such as Web Development, UI/UX Design, and API Integration. The majority of reviews (approximately 90%) highlight their exceptional project management and innovation, praising their professionalism and responsiveness. Clients commend their ability to deliver scalable, user-friendly digital solutions, with an average client growth of 3-4 times post-collaboration.
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$5,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 15 projectsZarego is a full-stack web development company specializing in custom website and web application development. With a 100% positive feedback rate, reviewers consistently praise their proactive project management, timely deliveries, and innovative solutions. Clients commend their fast response times and alignment with project needs, highlighting their effective communication and ability to exceed expectations.
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$5,000+$150 - $199 / hr10 - 49Cheswick, PA
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See all 9 projectsHigglo Digital is a full-service web development and SEO agency, specializing in custom website development and online growth strategies. They consistently receive high praise for their responsiveness and commitment to client success, with over 90% of reviews highlighting their exceptional project management and personalized approach. Clients commend their expertise in SEO and website functionality, resulting in significant traffic and sales improvements.
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$10,000+$50 - $99 / hr2 - 9Savogna d'Isonzo, Italy
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See all 9 projectsCoding Duck s.r.l. is a web development company specializing in custom website and web application development, including front-end and back-end development. With consistent positive feedback, 100% of reviewers emphasize their adherence to project timelines and effective communication. Clients appreciate their technical expertise and ability to align development with business objectives, resulting in improved digital platforms and user experiences.
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$10,000+$25 - $49 / hr50 - 249Houston, TX
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See all 23 projectsFuturByte is a web development company offering comprehensive services including Website Development, Web Design, and Web Application Development. With a strong emphasis on customer experience and cost-effective solutions, 67% of reviews highlight their proactive approach and responsiveness, while one review notes an area for improvement in time management. Overall, clients commend their pricing and dedication to meeting project specifications.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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 -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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+$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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$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+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% 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 -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
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 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.