Top Tech Startups to Work For in 2027

Backed by top-tier Silicon Valley VC funds, Shield AI established itself as the leader in AI for aviation. Shield AI has been named to Forbes’ AI 50 and Best Startups lists, CB Insights Top 100 AI Companies, and Fast Company’s Most Innovative Companies. Our mission is to protect service members and civilians with intelligent systems. We're hiring! Visit shield.ai/careers to learn more.

The world’s first checkout experience platform, Bolt offers a lightning-fast, one-click checkout, and connects millions of shoppers to retailers through a unified, cross-brand network. Hundreds of forward-thinking retailers like Forever 21, Badgley Mischka, Milk Makeup, and more rely on Bolt to convert, retain, and delight shoppers.

RevenueCat removes the headaches of building and scaling in‑app subscriptions. Since graduating from YC’s S18 batch we’ve grown into the default monetization platform for mobile: we’re in >40% of newly shipped subscription apps, we process $12B+ in annual purchase volume, and we help everyone from a solo dev in Brazil to the OpenAI mobile team understand and grow their revenue. We’re a remote‑first crew of 150+, spread across 25+ countries, and guided by values we actually practice: Customer Obsession, Always Be Shipping, Own It, and Balance. If you want your work to touch hundreds of millions of end‑users (and help the developers behind them get paid), you’ll fit right in.

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, and drive revenue.

At Mixpanel, our mission is to increase the rate of innovation. Not only as a company, but for the businesses we serve. Through our analytics platform, companies can analyze how and why their users engage, convert, and retain in real time across web, mobile, and smart devices. Then they can use that data to improve their business and products.

Robinhood is on a mission to democratize our financial system. We believe it should work for everyone and not just a few. We offer commission-free trading in one, user-friendly platform. Since our public launch in 2015, we’ve enabled millions of people to participate in the markets, cementing us as one of the fastest-growing brokerage firm ever in terms of customer accounts. Robinhood has been recognized as a CNBC Disruptor 50 and the 11th Most Innovative Company in the World by Fast Company. Robinhood's products have won the Apple Design Award, the Google Material Design Award, Fast Company's Innovation by Design award, and many others.

MongoDB is the leading modern, general purpose database platform, designed to unleash the power of software and data for developers and the applications they build. Headquartered in New York, MongoDB has more than 15,000 customers over 100 countries. The MongoDB database platform has been downloaded over 60 million times and there have been more than one million MongoDB University registrations.

Our mission is to promote economic inclusion. We create a level playing field that gives all service providers, large or small, an opportunity to win projects on the merits of proven performance, expertise and passion. Utilizing our Smart Sourcing technologies, clients with substantial service needs can capture billions of dollars in bottom-line impact. Dozens of Fortune 500 companies are already leveraging the Platform’s strategic sourcing A.I. partner, Glo, to improve the quality and decrease the cost of services, all while driving greater transparency, accountability and fairness. Founded by two successful entrepreneurs, Joel Hyatt and Lior Delgo, Globality has built an incredible team, supported by a world class board of directors and investors. Our values of trust, collaboration and innovation are the foundation for everything we do. Our fast-growing team comes from all over the world, with offices in Menlo Park, California, London and Hong Kong.

Affirm is reinventing credit to make it more honest, transparent, and friendly. Our mission is simple: deliver honest financial products to improve lives. Started by PayPal co-founder Max Levchin, Affirm gives you the flexibility to buy now and make simple monthly payments for big purchases. Unlike traditional credit options, we show you exactly what you’ll owe up front: no penalty fees, no compounding interest. By letting you pay over time, Affirm is empowering consumers to advance their financial well-being.

Sprout Social offers deep social media listening and analytics, social management, customer care, and advocacy solutions to more than 30,000 customers worldwide including DoorDash, General Mills, Trello, Make-a-wish Foundation, Edelman, and Blue Cross Blue Shield. Sprout’s suite of solutions supports every aspect of a cohesive social program and enables organizations of all sizes to extend their reach, amplify their brand and create the kind of real connection with their consumers that drives their businesses forward. Want to join Team Sprout? We're hiring: sproutsocial.com/careers