Android Engineer, Seller Growth

Overview

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. Were redefining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co-located team, were inspired by innovation and anchored in our values. With hubs in the US, UK, Germany, Ireland, and Poland, were building the future of online marketplaces together.

From fashion, beauty, and electronics to collectibles like trading cards, comic books, and even live plants, our live auctions have something for everyone.

And were just getting started! As one of the fastest growing marketplaces, were 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

The Seller Growth Engineering team is responsible for growing sellers on Whatnot enabling them to turn their hobbies into businesses. Within Seller Growth, the Platform pod ensures that this growth is sustainable, trustworthy, and scalable.

As a Senior Android Engineer on the Seller Growth Platform pod, youll design and build the mobile experiences and systems that sit at the heart of the new seller funnel combining growth, trust, and scalability. Your work will directly shape how thousands of new sellers join and succeed on Whatnot every week.

• Develop high-quality Android features using Kotlin and Jetpack Compose that enhance the seller onboarding, verification, and incentive journeys.
• Collaborate cross-functionally with product, design, and backend teams to define goals, scope, and technical trade-offs.
• Partner with data science to design and interpret experiments that measure seller success and improve funnel efficiency.
• Contribute to the evolution of shared mobile infrastructure and best practices across Whatnots engineering teams.
• Uphold engineering excellence through code reviews, documentation, and thoughtful discussions that raise the bar.

This pod works at the intersection of growth, trust, and platform-ization. Youll be responsible for deeply technical systems (IDV, fraud signal repositories, seller enrichment pipelines, predictive models) that directly influence GMV, seller retention, and buyer trust. The pace is fast : every week, thousands of sellers apply to sell, and your work ensures that Whatnot can confidently scale this influx without compromising marketplace integrity.

Team members in this role are required to be within commuting distance of our San Francisco, Los Angeles, Seattle, or New York City hub.

You

Curious about who thrives at Whatnot? Weve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here, but here are a few criteria we're looking for in this role :

As our next Senior Android Engineer you should have 5+ years of experience building and shipping high-quality Android applications, plus :

Bonus points for :

Benefits

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.

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