Top 100 JavaScript Developers

AVA.codes is a front-end development company with offices in Berlin and Kyiv, Ukraine. Founded in 2017, their 20+ are experts in web development and keeping a narrow focus on programming user interfaces.

Konstant Infosolutions is a mobile app and web developer that focuses on global technology and innovation. Founded in 2003 and headquartered in Jaipur, Rajasthan, their 170+ professionals are leaders in software solutions and cutting-edge technologies.

RoleModel Software is a custom software development agency with headquarters in Holly Springs, N.C., and an office in Rochester, N.Y. Since 1997, their team of 18 has assisted in providing web development, web design, and mobile app development expertise to a wide range of clients in industries such as manufacturing, business services, and health care.

JSGuru is a custom software development company with offices in Eastern Europe (Serbia, Bosnia, and Herzegovina) and the USA (New York). Founded in 2006, their team of over 80 people handles mostly mid-market clients in fintech, insurtech, real estate, and marketing. Their services include product discovery, UX/UI design, software development, cloud and DevOps.
 

Lengin is a web development company established in 2019. The small Ivano-Frankivs'k, Ukraine-based team offers web development, e-commerce development, and application management & support.

Kozak Agency is a web development firm headquartered in Kyiv, Ukraine and Kraków, Poland. They provide web development, IT staff augmentation, mobile app development, custom software development, and more and were launched in 2015.

Human Made is an enterprise WordPress agency. Founded in 2010, they employ 65 people, and serve the enterprise market with clients in the publishing, financial, education and technology sectors. Services include bespoke web development, enterprise WordPress platform projects, artificial intelligence, and web hosting.

In London, United Kingdom, MOHARA is a business consulting company. The agency provides business consulting and is midsize.The agency was established in 2016.

Attract Group is a development agency based in Odessa, Ukraine. Since 2011, their team of 43 has been specializing in web, mobile app, e-commerce development, and more. Attract Group works with small to mid-sized clients.

Danavero Inc. is a software development, engineering, and consulting company headquartered in Toronto, with an additional office in Kiev, Ukraine. The company was founded in 2015, and has a team of 22 people who specialize in web development, mobile app development, digital strategy, and web design. 
 

Seedium is an IT products company located in Kyiv, Ukraine and founded in 2017. They're comprised of three employees specializing in UI and UX design, web and mobile app design and development, and custom software development. They work primarily with small businesses in real estate and e-commerce.

Intercode is a web and mobile development firm founded in 2018. With more than 10 members, they provide web and mobile app development solutions from their office in Chernivtsi, Ukraine. They work with clients from industries such as business services, IT solutions, and real estate.

Buttercups is a custom software development company and web development firm. The Kyiv, Ukraine-based firm was established in 2019. The small team offers custom software development and web development.

Antagosoft is a web and mobile application development company founded in 2010. They have a team of nearly 20 employees who also provide blockchain, technical support, and consulting services. They tailor their solutions to startups, marketplaces, and digital agencies.

Voypost is a Web & Mobile software development company founded by experienced Tech Entrepreneur and Solution Architect Nikita Sviridenko. Since 2019 Voypost has delivered more than 50 projects from MVPs to full-scale products for big enterprises. Our team is always ready to bring any bold ideas to life since we are focused on the efficient and quality product development process by leveraging collected data to predict the timeline and provide consistent and systematic delivery.

WeSoftYou is a web and mobile development company of 50 employees. Their headquarters is in Kiev, Ukraine, with a secondary location in Santa Monica, Calif. Founded in 2016, they offer web development, mobile app development, and custom software development. They primarily serve small and midmarket businesses in the healthcare, education, IT, and real estate industries.
 

Digital Butlers is a web development company. Established in 2019, the small company is headquartered in Pissouri, Cyprus. Their team offers web development, web design, and ux/ui design.

Inscope is a small website development company. Founded in 2013, the team focuses on web development, mobile app development, and Artificial Intelligence. The agency is located in Yerevan, Armenia.

Brainium Information Technologies is a mobile app, web, and e-commerce development company based in Kolkata, India. Founded in 2009, their team of about 100 serves clients in the e-commerce, marketing, and education sectors. Services include iOS and Android development, e-commerce and education apps, WooCommerce, Magento, and AWS.

Mobile application development company Vangwe was founded in 2020. Their small team is headquartered in Montevideo, Uruguay. Their services include mobile app development, web development, e-commerce development, and product design.

micro1 is an IT staff augmentation company headquartered in Los Angeles. They provide high-caliber engineers who are ready to start working immediately. In addition to offering IT staff augmentation services, they also specialize in web development and mobile app development. 

Founded in 2018, Bejamas is a digital development agency that offers web development, web design, and e-commerce development services to their small business, mid-market, and enterprise clients. Their 50 employees are based out of Wrocław, Poland.

Website development company IZY was launched in 2021. The company specializes in web development, custom software development, mobile app development, IT managed services, and more and has a small team. The company is located in T'bilisi, Georgia.

Reaktiv is a development agency in Temecula, Calif. Founded in 2011, they have about 9 employees that serve mostly enterprise and midmarket clients in the IT, media, and education sectors. Services include web development, web design, and digital strategy. 

Zero Negative is a web and mobile app development firm based in Boston. Founded in 2014, their small team of 8 focuses on providing a boutique experience to clients seeking tailored web, creative, and mobile solutions.

Open source contributors as a guarantee of product delivery, 5+ years of technical niche expertise (Angular, React Native, Ionic, Node.js), personal approach, high internal code standards, flexible management, open-minded team. Enjoy your coffee while we’re building your app! We think that every idea is worth spreading - it just needs a special approach and the right people to take care of it. We proved our technical skills and narrow Angular specialization by contribution to open source. Our complete transparency is a guarantee of quality code, resulting in a successful project outcome.

Imaginary Cloud is a Web, Mobile and AI Software Development and UX/UI Design Company with offices in the UK, US and Portugal. In the last 11 years they have helped build and scale more than 300 applications, from Start-ups, Scale-ups to Enterprises, winning several global awards. They offer a comprehensive skill set of developers, data scientists and designers coupled with a streamlined agile process.

Linnify is a software agency based in Cluj-Napoca, Romania, and founded in 2016. Their team of more than 10 specializes in web development, mobile app development, and branding solutions for small and mid-market firms in the fields of healthcare, financial services, and more.

KitRUM is a software engineering company that was founded in 2014. The company is headquartered in Clearwater, Fla., with secondary locations in Krakow, Poland and Kharkov, Ukraine. They are made up of 49 employees. They specialize in AR/VR development, IoT development, and mobile app development. 

Sourcemap.pro is a Yerevan, Armenia-based website development firm. The small firm was founded in 2019. Their services include web development.