Top React Companies (3,284)

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 15,000+ employees in over 40 offices worldwide.

At Affirm, we help people say yes to the things that matter with flexible, transparent ways to pay over time. No hidden fees, no compound interest, and no fine print—just a smarter way to spend.

TextUs is the leading business-class text messaging platform for real-time communication designed to dramatically improve how businesses communicate with their prospects, staff, and customers. With a 98% read rate and up to 40% response rates, TextUs supports businesses to truly engage with their stakeholders in real-time.

As the foundation for secure markets, OCC is a customer-driven organization that delivers world-class Risk Management, Clearing, and Settlement Services for a sophisticated mix of financial products that includes standard options, stock loans, and futures contracts.

For too long, child care programs have been stuck with clunky tools and manual processes, falling behind while other industries get all the high-tech toys. Playground is flipping the script. Playground is a proven platform for child care providers to streamline their operations, reclaim their time, and get back to the joy of teaching and caring. Our all-in-one child care management...

We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

As part of the Central bank of the United States, the Boston Fed works to promote sound growth and financial stability in New England and the nation. We contribute to communities, the region, and the nation by conducting economic research, participating in monetary policy-making, supervising certain financial institutions, providing financial services and payments, playing a leadership role in the payments...

Applied is the connective intelligence transforming how insurance works. We build the platforms, data, and agentic systems that connect the entire insurance journey, turning months of manual work into moments. We keep work flowing, from thousands of agencies and carriers to the millions of policyholders they protect.

DigitalOcean is the Inference Cloud — a full-stack, production-ready cloud platform built to run AI applications with predictable performance, sustainable economics, and radically simpler operations at scale. We are built for teams turning AI into real products — not just training models. Our advantage is not fewer features, but fewer failure modes when operating AI at scale — combining minimal...

Supernova is the technology leader in securities-based lending ("SBL") solutions that connect and empower the entire financial ecosystem. We offer the world’s first and only cloud-based, fully-customizable, end-to-end software solution to automate securities-based lending from origination through the life of the loan.

Arcadia is a leading healthcare data analytics platform that helps payers and providers turn complexdata into actionable insights. In turn, payers and providers can focus on what matters most — whether that’s patient outcomes, operational efficiencies, or financial performance. Arcadia partners with many of the nation’s top healthcare organizations and empowers its teams to drive real-world impact through innovation, collaboration,...

Our mission is to move financial lives forward. We utilize data and technology to connect everyday Americans to financial solutions, empowering our customers to achieve their financial goals and build financial health. We are a data-driven platform at the intersection of technology and credit*, built to meet the financial needs of millions of middle-income Americans. We use data and machine learning...

We are a mobility company that innovates like a start-up and thinks like a technology company. This helps us anticipate change in one of the most complex industries in the world and respond quickly. We depend on a team of 171,000 dynamic, entrepreneurial-minded employees in an environment where great ideas flourish. Our presence spans 343 manufacturing operations and 88 product...

Since 2012, Mirakl has been pioneering the platform economy, empowering retail and B2B enterprises with the most advanced, secure and scalable technology to digitize and expand product assortment through marketplace and dropship, improve efficiency in supplier catalog management and payments, personalize shopping experiences, and boost profits through retail media. Mirakl is trusted by Macy’s, Saks, Henry Schein, The Knot, 1800-Flowers, Best...

Our mission is to create a world where every person can access high-quality mental health care. We recognize that mental health issues can be complex and multifaceted, and we are dedicated to treating the whole person, not just the symptoms. We’re building the future of mental health care; a comprehensive behavioral health solution that helps every person access high quality care...

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency,...

Dynatrace lets customers understand their business like never before, so they can see beyond the complexity, find and fix problems faster and automate manual tasks with Al — so they can focus on what truly matters: running their business.

SEON is a fraud prevention firm that aims to help online businesses reduce the cost, time and challenges faced due to fraud.

Teachable was founded in 2014 to provide a solution that was missing for Creators in what was the early online courses space. Teachable is where seasoned creators around the world build their legacy through education. On Teachable, it’s easy to create high-quality courses, coaching, memberships, and digital downloads that help creators scale their businesses—and truly impact people's lives. With tools designed...

It's simple, at DraftKings, we believe life is more fun when you're in on the action. For that reason, we’re committed to responsibly creating the world’s favorite games and betting experiences. We’re developing the most innovative and entertaining real money products and offers; to forever transform how people experience sports; to be a fully vertically integrated sports betting operator. It's...