Senior Software Engineer

Senior Software Engineer LocationSan Francisco, CA; Los Angeles, CA; New York, NY; Seattle, WAEmployment TypeFull timeDepartmentEngineeringCompensationCompenstation$207K – $230K • Offers EquityThe salary or hourly rate range may be inclusive of several levels that would be applicable to the position. Final salary or hourly rate will be based on a number of factors including, level, relevant prior experience, skills, and expertise. This range is only inclusive of base salary or hourly rate, not benefits or equity.🚀 Join the Future of Commerce with Whatnot!Whatnot is the largest live shopping platform in North America and Europe to buy, sell, and discover the things you love. Whether it's trading cards, fashion, electronics, or live plants, our sellers are building real businesses across hundreds of categories. We're building live commerce at a scale that's never been done in the West, and there's no playbook to copy. The people here are shaping how an entirely new industry develops.As a remote co-located team, we're inspired by our values and anchored in hubs across the US, UK, Ireland, Poland, Germany, and Australia. We move fast, stay close to our users, and focus on the work that drives the most impact.We're one of the fastest growing marketplaces and were recently named the #1 Best Startup Employer in America by Forbes. 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.💻 RoleWe're hiring Senior Software Engineers across multiple engineering pillars at Whatnot — including Buyer Growth, Seller Growth, Trust & Risk, Discovery & Personalization, Search, Customer Experience, and Core Infrastructure.As a Senior Software Engineer, you'll own the design and delivery of complex product and platform systems that power one of the fastest-growing marketplaces in the world. You'll partner closely with Product, Design, Data, and Engineering to turn ambiguous problems into scalable solutions that create meaningful impact for millions of buyers and sellers.Our engineering teams are rebuilding and evolving large distributed systems to support rapid growth, increasing marketplace complexity, and real-time commerce at global scale. You'll play a key role in shaping these systems while helping your team move quickly without compromising technical quality.What You’ll Do:Design, build, and operate scalable distributed systems that power core marketplace experiences.Own complex technical projects from inception through production, balancing speed, reliability, and long-term maintainability.Break down ambiguous product and platform problems into clear technical solutions and drive them to completion.Lead the engineering execution of projects, coordinating with multiple engineers and cross-functional partners to deliver high-impact outcomes.Raise the technical bar through thoughtful code reviews, design discussions, operational excellence, and mentorship.Make pragmatic technical decisions that enable the team to move quickly while building for long-term scale.Continuously identify opportunities to improve developer velocity, system reliability, and customer experience.We offer flexibility to work from home or from one of our global office hubs, and we value in-person time for planning, problem-solving, and connection. Team members in this role must live within commuting distance of our Los Angeles, New York City, San Francisco, or Seattle hub.👋 YouPeople who do well at Whatnot tend to be comfortable figuring things out as they go, biased toward action, and genuinely curious about what they're building. They care more about outcomes than credit and stay close to the product and the people using it.As our next Senior Software Engineer, you likely have:5+ years of full-time software engineering experience, ideally in high-growth technology companies.Experience building and operating scalable backend or full-stack...