Top 100 React Developers in New York City

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.

Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

DIGIS is a software development company based in Larnaka, Cyprus. They were founded in 2009 and have a team of 77 employees. They specialize in custom software, web, and mobile app development for midmarket and small business clients in the business services, financial services, and media industries. 

Sigma Software Group is a software development & consulting partner with headquarters in Lviv, Ukraine, and offices in the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Poland, Latin America, and Portugal. Founded in 2002, the company accounts for over 2000 employees, helping clients from startups to Fortune 500 brands with software product and custom solutions delivery, digital transformation, Big Data, AI/ML, AR/VR, IoT, web & app development services.

Phenomenon Studio is a digital product studio with a team of world-class designers, developers, and a  network of multi-specialized talent based in Kharkiv, Ukraine, and founded in 2018. They specialize in UX/UI design, web development, and mobile app development solutions for small and mid-market firms alike. 

View Source is a branding firm established in 2019. The agency focuses on branding, web design, ux/ui design, web development, and more and has a small team.

ThirstySprout is an outsourced development company headquartered in Seattle with an additional office in San Franciso. Founded in 2017, they currently have about 18 employees. They provide IT staff augmentation as well as custom software and web development services to primarily midmarket agencies in IT, e-commerce, and business services.

Mobile app development company Tapptitude has offices in Romania, the US, and London. The team of 100+ employees specializes in iOS and Android app development and offers UX/UI design, IT strategy consulting, and web development. Founded in 2013, Tapptitude mainly works with small businesses and startups in the real estate, automotive, and arts and entertainment industries.

Software development company Icreon has a team of nearly 100 employees that specializes in custom software and web development. Headquartered in New York, NY, Icreon is ideal for mid-market and enterprise companies in need of IT and development expertise.

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.

Unified Infotech is technology company headquartered in New York with another office in Kolkata, India. Founded in 2010, their team of 150+ works with enterprises, small to medium businesses, and startups as end-to-end solution partners for custom-tailored software, web, and mobile apps.

Devtorium is a software development company founded in 2017 in Brooklyn, N.Y., with over 200 members. They are experts in custom software development, UX/UI design, and MVP development for small and mid-market agencies alike. Services include software product development, data analytics, cloud development and migration, and AI development.

Perpetual is a software product innovation and development company based in New York City. Founded in 2012, Perpetual's team of around 25 employees provides a wide range of services including UX/UI design, web design, mobile and custom software development, IT staff augmentation, product design, and more.

Roonyx is a web, mobile app, and AI development company founded in 2008 that caters their services to small business and midmarket clients. They have a team of nearly 30 employees who provide services from Moscow and Boston. They focus on the business services, automotive, and e-commerce industries.

A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.

Midsize IT staff augmentation company Code Power, is in Guaynabo, Puerto Rico. Their services include IT staff augmentation, custom software development, web development, mobile app development, and more.

Avenga is a global IT and digital transformation consultancy with over 20 years of experience for verticals such as pharma & life science, insurance and finance. Avenga has more than 2500 professionals with offices in Germany, Poland, Ukraine, the U.S., and Malaysia. Services include digital strategy & CX, custom software development, staffing, as well as Salesforce consulting, big data, and cloud solutions.

Thoughtbot is a web and mobile app development company based in Boston, MA with offices in Austin, San Francisco, New York, Raleigh, Washington D.C, and London. Since 2003, this 50+ team has delivered empowering digital solutions to enterprise-level and small companies alike.

Jahnel Group, Inc. is an application development company based in Schenectady, N.Y., with offices in New York and Plano, Texas. The company, founded in 2012, has around 90 employees and provides custom software development, web development, mobile app development, and UX/UI design services. Jahnel Group, Inc. serves midmarket and other-sized companies and institutions in the business services, financial services, gaming, education, manufacturing, medical, and e-commerce industries.

Launched in 2002, DOOR3 is an UX design agency. The company offers UX/UI Design, Custom Software Development, and Web Development and has a midsize team.

Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.

SapientPro is a software development offshoring firm based in Chernivtsi, Ukraine with a second location in the Netherlands. Founded in 2010, they have about 20 employees that service mainly enterprise clients. Their services include web design and development, e-commerce development, mobile apps, custom software, CRM consulting, and software integration.

TLVTech, a small cloud consulting & SI company, is headquartered in Ramat Gan, Israel. They specialize in cloud consulting & SI, custom software development, web development, Artificial Intelligence, and more and were established in 2017.

Bizmia LLC is a website development firm launched in 2016. The midsize Iselin, New Jersey-based team specializes in Web Development, Custom Software Development, and Artificial Intelligence.

Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.

HubSpire is a digital agency based in New York with offices in Matawan, NJ, and Cochin, India. Founded in 2008, HubSpire's team of around 25 employees provides small and mid-market consumer products and IT companies with a range of services such as mobile app development, web design, web development, and big data consulting. 

Software development firm Header was launched in 2018. The firm focuses on custom software development, branding, digital strategy, social media marketing, and more and has a small team.

Brights is a digital production agency that's headquartered in Kyiv, Ukraine; they also have an office in Warsaw, Poland. Founded in 2011, Brights has about 43 employees that do web development, mobile app development, and UX/UI design. They serve a range of clients, notably midmarket clients and businesses in the IT, advertising, and e-commerce sectors.  

SEROKELL is an AI development company based in Paris, France; Los Angeles, California; Tel Aviv-Jaffa, Israel and Brooklyn, New York. The midsize company was launched in 2015. Their services include Artificial Intelligence, Blockchain, AI Consulting, Custom Software Development, and more.

Innvonix Technologies is a web development company based in Ahmedabad, India. It has more than 40 employees and was founded in 2014. They specialize in mobile app development, web development, e-commerce development, web design, and custom software development. The team serves small business and midmarket clients in the IT sector.