Fullstack Engineer, Ads

🚀 Join the Future of Commerce with Whatnot! ------------------------------------------------- Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re re-defining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co-located team, we’re inspired by innovation and anchored in our values. With hubs in the US, UK, Ireland, Poland, and Germany, we’re building the future of online marketplaces—together. From fashion, beauty, and electronics to rare collectibles like trading cards, comic books, and even live plants, our live auctions have something for everyone. And we’re just getting started! As one of the fastest growing marketplaces, we’re looking for bold, forward-thinking problem solvers across all functional areas. Check out the latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to turn their passion into a business, and bring people together through commerce. 💻 Role ----------- Ads is a growing engineering team at Whatnot that is dedicated to building systems & features to help Sellers grow their business. As a software engineer on the Ads team, the most important qualities you'll need are making sound product decisions, navigating new domains seamlessly, taking extreme ownership, and shipping high-quality products fast. We always prioritize the highest impact features and ship them quickly. The software team has a lot of individual responsibility and many more freedoms, so we need to hire people we can trust. Your ability to put customers first, make good trade-offs and deliver impact is essential to us. In this role, you will… * Build highly scalable Ads system that handles all aspects of running an online advertising system and helps sellers differentiate themselves on Whatnot * Focus on the web-based aspects of ad flows and the ad dashboard, with occasional backend work * Maintain web apps, develop new features and potentially work around infrastructure. * Understand our buyer and seller experiences and become an expert in helping them effectively scale their business through ads & monetization products Team members in this role are required to be within commuting distance of our Kraków, Poland hub. 👋 You ---------- Curious about who thrives at Whatnot? We’ve found that embodying a low ego, growth mindset, and high-impact drive goes a long way here. As our next Fullstack Engineer you should have 5+ years of experience, particularly an expert in frontend web development with React, using GraphQL for API development, and modern frontend applications. Exposure to Next.js framework is not required but preferred. You also: * Have a Bachelor’s degree in Computer Science, a related field, or equivalent work experience * Have a strong understanding of user-facing frontend and UX * Are open to doing backend work when required * Have excellent product instincts. You first think about users rather than the best technical solution * Have a proven track record of delivering features end-to-end and can ship products and features lightning-fast without sacrificing quality * Are a project owner - you have strong ownership instincts and can own projects from inception to production and beyond * Have the ability to pick up on new technologies very quickly * Have experience with complex web based tooling like dashboards (nice to have) * Have startup experience at a high-growth company (nice to have) * Have experience with ads systems, infrastructure, experiences, and international commerce (nice to have) 💛 EOE ------ Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.