Top React Companies (3,283)

MedTrans Go is a B2B healthcare appointment optimization marketplace solving the $150B problem of medical appointment cancellations in the US. Our tech-enabled portal provides healthcare facilities and others coordinating patient care access to a customizable suite of services to address the root causes of their cancellations in one easy-to-use, integrated digital platform. The US healthcare system loses $150B due to...

Opto Investments (“Opto”) are engineering the future of private markets, offering the solution for wealth managers to efficiently build and manage differentiated private investment programs. Opto’s end-to-end technology solution dramatically streamlines building, fundraising for, and managing a bespoke private markets fund or program, allowing independent investment advisors, family offices, and private banks to scale their offerings without scaling their team. Founded by...

We're a global community of bold visionaries and resourceful doers who are shaping the future of Dropbox—and with it the future of work. Our Virtual First model combines the flexibility of a distributed workplace with the power of human connection, making space for both meaningful work and meaningful relationships. With our start-up mindset and enterprise-level opportunities, you can be who...

At Morningstar, we believe in building great products in-house in a highly collaborative, agile environment where we focus on technical excellence, the user experience, and continuous improvement. Our technologists represent a range of skills and experience levels, but they all view their work as a craft and push technology’s boundaries.

NinjaTrader's engineering, product, and operations teams build for nearly 4 million futures traders worldwide. Real users, real markets, real confidence in the tech behind every trade. We've been at this since 2003 — launching our own brokerage in 2014 and our FCM in 2021 — and we know what scale looks like in this category. In 2025, NinjaTrader joined Kraken and...

In today’s digital world, singles are so focused on sending likes and looking through profiles that they’re not actually building meaningful connections and going on dates. Hinge is on a mission to change that by designing the most effective app experience. We want to create a less lonely world by inspiring intimate, in-person connections. Relationships are at the core of...

We started as a company that turned phones into walkie-talkies. Today, we modernize instant voice communication with our industry-leading push-to-talk technology to help mobile workers meet quickly changing, urgent, real-world challenges. We have the highest-rated walkie-talkie app, with over 8 billion messages sent per month and 170 million users in industries such as transportation, retail, construction, hospitality, healthcare, and more....

We're honored to be No. 10 on Great Place to Work's World's Best Workplaces and recognized in the Fortune 100 Best Companies to Work For® list in 2025. At MetLife, we're leading the global transformation of an industry we’ve defined for over 157 years. At MetLife, every innovation and line of code is a lifeline for our customers and their...

Founded in 2002, Leader Bank is a Massachusetts-based entrepreneurial financial institution that approaches banking differently. The core tenets of Leader Bank include client services, exemplary products, and innovation to meet the needs of its clients. Leader Bank’s best-in-class staff has been at the forefront of supporting the bank’s rapid growth and client-oriented solutions, as the bank has continued to expand...

KPA solutions help clients identify, remedy, and prevent workplace safety and compliance problems across their entire enterprise. The combination of KPA’s easy-to-use software platforms, consulting services, and award-winning training content helps organizations minimize risk so they can focus on what’s important—their core business. For nearly 40 years, KPA has helped 10,000+ clients achieve regulatory compliance, protect their business, and keep...

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 250,000+ businesses worldwide – including Brex, Navan, Qantas, SHEIN, McLaren and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global...

Our Product and Technology team creates, develops, and operates the nation’s fastest mobile service, most reliable internet service, most viewed live TV app, and the most advanced WiFi, serving nearly 100 million users and 500 million devices. We are transforming the next era of connectivity and entertainment experiences together.   The experience within Spectrum’s Product and Technology team is unmatched and there...

Liberty Mutual Insurance exists to help people embrace today and confidently pursue tomorrow. A Fortune 100 company and global leader in property and casualty insurance, we’ve spent over a century creating innovative products, services and technologies to meet the world’s ever-changing needs and make a difference for our customers and communities.

At January, we bring humanity to consumer finance. Using data intelligence, we create trust and deliver better outcomes for consumers and creditors alike. Our mission is simple: expand access to credit while empowering consumers to achieve lasting stability and control of their financial lives. We began by building the foundation for creditors to engage with and support their borrowers at scale...

NetBox Labs simplifies the full infrastructure lifecycle for the world’s most demanding technical environments. As the commercial steward of NetBox, the open-source infrastructure system of record trusted by 10,000+ organizations for more than a decade, NetBox Labs streamlines infrastructure procurement, modeling, deployment and management for both humans and agents. The company’s infrastructure intelligence platform powers business-critical systems at companies like...

At Tastewise, we’re reinventing how the food and beverage industry understands consumers. Every year, 90% of product innovation in food fails -not because brands lack ideas, but because they lack accurate, real-time insight into what people truly want. Traditional surveys and focus groups can’t keep up with the speed of culture, leaving businesses disconnected from consumer needs. Tastewise solves that. Our...

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...

VelocityEHS is more than a software company - we’re a team of expert problem solvers passionate about making the world a safer, more sustainable place to work. We simplify complex challenges through innovation, collaboration, and smart technology that drives real impact. At VelocityEHS, you’ll join people who care deeply about doing meaningful work, growing together, and helping companies around the...

McMaster-Carr is trusted by industrial customers around the world to keep manufacturing lines running, operations moving, and turn new ideas into real products. Since 1901, we’ve earned that trust by offering the right products, making them easy to find, and delivering them quickly. Our industry-leading e-commerce experience, indispensable product selection, and world-class service bring hundreds of thousands of customers to our...

Pluralsight provides the only learning platform dedicated to accelerating the technology skills and capabilities of today’s tech workforce. Thousands of companies, government organizations, and individuals around the world rely on Pluralsight to support critical technology skill development in areas that are crucial to innovation, including artificial intelligence, cloud computing, cybersecurity, software development, and machine learning. Pluralsight offers highly curated content...