Top 100 React Developers

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.

In Poltava, Ukraine, Aleannlab is a small web development company. Launched in 2015, the team offers web development and mobile app development.

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.

Founded in 2015, Yellow is a development company with offices in Belarus and San Fransisco. Their team of 42 focuses on UX/UI design as well as web and mobile app development.

 

Scalac, Inc. is a software house located in San Francisco and in Gdańsk, Poland. Founded in 2014, they employ 123 staff experienced with a wide range of technology consulting services (mainly Scala, Akka, ZIO, Spark, Flink, Kafka, Hadoop, GraphQL, Python, AWS, Kubernetes, Vue.js, React.js, Angular). They work with a range of companies in finance, IT, ad tech, e-commerce, and gaming.

With offices in San Francisco and development centers across Latin America and the U.S., BairesDev provides end-to-end delivery for its clients. Founded in 2009, their team of over 3,000 seasoned engineers provides web and software development services in addition to managed IT support, staff augmentation, and application testing.

Xmartlabs is a software product development firm based in Montevideo, Uruguay with a US office in San Francisco. Established in 2012, the company employs about 30 employees that focus on developing operations management and business applications. Their services include mobile development for Android and iOS, web app development, and UI/UX design.

SysGears is a software development agency that was founded in 2010. They are headquartered in Dnipro, Ukraine and they have a second location in Paphos, Cyprus. They have 43 employees and specialize in custom software development, UX/UI design, and mobile app development. They primarily work with small businesses in the IT and healthcare industries.

GeekyAnts is a mobile app development company that's headquartered in Bangalore, India; they also have a London office. They were founded in 2006 and have about 59 employees that provide services for mobile app development, web development, and UX/UI design services to clients of all sizes in a wide array of industries. 

Stubbs is a web studio founded in 2018 with more than two members. Based in Kyiv, Ukraine, they specialize in web development, web design, and UX/UI design solutions for small and mid-market businesses in the field of IT services.

Full-cycle software solutions provider INOXOFT is based in Lviv, Ukraine. Founded in 2014, their team of 76 specializes in web and custom software development for clients in the e-commerce and information technology industries.

Light IT is a data science consulting and software development company located in Zaporizhzhia, Ukraine and founded in 2006. They have 132 employees who provide custom web and mobile software development services to various-size companies in advertising, finance, healthcare, travel, and education. This includes IT consulting, market research, QA, design, and business analytics.

Footprint.io is a social media marketing agency. Their small team is based in Toronto, Canada and Bracebridge, Canada. Their services include social media marketing, search engine optimization, custom software development, web development, and more. The agency was founded in 2014.

Seasoned is a custom software development company and website development company based in Porto Alegre, Brazil. The small team offers custom software development and web development. The agency was founded in 2017.

Founded in 2018, Develocraft is a mobile app development firm. Their team of around 40 employees is based in Gdańsk, Poland, with an additional office in Warsaw, Poland. They focus solely on mobile app development.

Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.

AppUnite is a software development company based in Poznan, Poland. Founded in 2009, the team of less than 50 specializes in mobile app development, web development, and UX/UI design. They work primarily with midmarket and small business clients, in the media, health care and medical, and real estate industries. 

ShakaCode is a design and development company based in Paia, Hawaii. Founded in 2011, their team of fewer than 50 specializes in web and custom software development, as well as UX/UI and web design. They primarily serve businesses in industries such as advertising, hospitality, and leisure.

Zade Agency is a development agency in Lviv, Ukraine. Founded in 2020, they have about 10 employees that serve small-business and midmarket clients in the real estate, IT, and telecommunications sectors. Services include web development, mobile app development, and UI/UX design.

Octobot is a software consultancy headquartered in Montevideo, Uruguay. Octobot was founded in 2014 with the objective of creating innovative digital solutions and transforming their client's ideas into products. They have a team of over 100 composed of designers, engineers, and innovators who specialize in mobile app development, web development, and custom software development for the healthcare, education, and business services industries. 

Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

PopArt Studio is a professional digital agency based in Novi Sad, Serbia, and founded in 2010. They have a team of 27 employees who specialize in web design, web development, and UX/UI design. They mainly work with small businesses in the IT, eCommerce, and marketing industries. 

Xfive is a full-stack software house in Krakow, Poland that serves businesses, startups, and creative agencies. Its team of around 50 has delivered web & mobile apps, websites, and e-commerce solutions since 2005 to its clients. 

Brainhub is a software development partner for startups, scaleups and enterprises with ambitious product development plans. Founded in 2014, Brainhub is a team of 95 experts in Node.js, ReactJS, .NET, TypeScript and React Native that helped 65+ fintech, edtech, martech, healthcare and gamedev companies scale their web and mobile app development. Recognized as one of the fastest growing companies in Europe by Financial Times, Deloitte and Forbes.

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.

Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects. 

Blazity Software is a development studio in Warsaw, Poland. Founded in 2018, the team provides midmarket and small businesses with mobile app development, web development, and custom software development service. They have about 10 employees.

Founded in 2018, Fusion Team is a Russia based development company located in the city of Taganrog. Their team of 13 provides web design, UX/UI design, web development, and mobile app development to clients. 

Accedia is a professional IT services company founded in 2012 with offices in Sofia, Bulgaria; Boston, Mass.; and San Francisco, Calif. Its team numbers more than 150 professionals, specialized in technology consulting, agile software development, and implementation of end-to-end IT solutions. Accedia’s clients are technology startups, small and mid-sized enterprises, and large enterprise businesses engaged in banking, finance and insurance, and manufacturing, among other industries.