🚀 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. 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, Germany, Ireland, and Poland, we’re 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 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 We’re looking for a Software Development Engineer who lives at the intersection of engineering, growth, and paid media . You’ll build and own the systems that power performance marketing across channels like Google Paid Search, Meta Ads, TikTok Ads, Product Listing Ads , and attribution platforms such as AppsFlyer . What You'll Do Build and maintain data pipelines that ingest, normalize, and validate marketing data from platforms like Google Ads, Meta, TikTok, PLA feeds, and AppsFlyer Create automation tools for bidding, budget pacing, creative rotation, and campaign experimentation Implement attribution/tracking logic (MMP, SKAN, postbacks, conversion windows, deduplication, incrementality) Partner closely with Growth, Marketing, and Data teams to turn hypotheses into shippable systems 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 Seattle, New York City, San Francisco, or Los Angeles hub. 👋 You Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here. 5+ years of experience as a Software Development Engineer (or equivalent) Hands-on experience supporting performance marketing Strong understanding of paid media platforms: Google Ads (Paid Search, Shopping / PLA) Meta Ads TikTok Ads Practical experience with AppsFlyer (or similar MMP like Adjust / Branch) Solid grasp of: Attribution models (last click, MTA, SKAN, probabilistic vs deterministic) Conversion tracking and event schemas Campaign structure and optimization levers Strong backend skills (e.g. Python, Java, Go, or similar) Experience with data systems (SQL, warehouses, ETL/ELT, streaming is a plus) Nice to Have Experience with SKAdNetwork , Privacy Sandbox, or ATT impacts Feed management for PLAs (catalogs, pricing, availability, disapprovals) Experimentation frameworks (A/B testing, lift studies) Experience working at a consumer app, marketplace, or e-commerce company 🎁 Benefits Flexible Time off Policy and Company-wide Holidays (including a spring and winter break) Health Insurance options including Medical, Dental, Vision Work From Home Support Home office setup allowance Monthly allowance for cell phone and internet Care benefits Monthly allowance for wellness Annual allowance towards Childcare Lifetime benefit for family planning, such as adoption or fertility expenses Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally Monthly allowance to dogfood the app All Whatnauts are expected to develop a deep understanding of our product. We're passionate about building the best user experience, and all employees are expected to use Whatnot as both a buyer and a seller as part of their job (our dogfooding budget makes this fun and easy!). Parental Leave 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence. 💛 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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