Software Engineer, Performance Marketing
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Requirements
• Strong understanding of paid media platforms: Google Ads and Meta Ads. • Practical experience with AppsFlyer. • Solid grasp of attribution models such as last click, MTA, SKAN, probabilistic vs deterministic. • Experience with conversion tracking and event schemas. • Strong backend skills in Python or Java (or similar). • Experience with data systems like SQL databases, warehouses, ETL/ELT processes, streaming is a plus.
Responsibilities
• 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. • 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) • 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)
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 • Monthly allowance for cell phone and internet • 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!). • 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.