Fullstack Engineer, Ads
Hybrid (New York, NY (NY hub))$207k - $230k + equityFull-timePosted 4w ago
About the role
Whatnot is hiring a Fullstack Engineer for Ads to own end-to-end features across the ads stack (backend, data, UI, dashboards, and integrations) with autonomy and growth opportunities. Role supports remote or office hubs; must be within commuting distance to the New York hub.
Responsibilities
- Own problems end to end across the ads stack, from backend foundations and data retrieval/ranking to UI, dashboards, logging, and measurement.
- Collaborate across Discovery, Seller Growth, Data Platform, Machine Learning Platform, and Payments teams.
- Ship features quickly and take ownership from inception to production and beyond.
- Mentor others and contribute to building inclusive, supportive teams.
Qualifications
- Bachelor’s degree in Computer Science, related field, or equivalent experience.
- 5+ years of generalist software development.
- Full-stack proficiency across mobile (iOS/Android), web, and backend systems.
- Web development experience with React, GraphQL APIs, and modern frontend apps (Next.js exposure preferred).
- Backend experience with Python and/or Postgres is a plus.
- Strong product sense focused on user needs.
- Ability to mentor, own projects, and ship features rapidly.
- Autonomous problem solving and quick learning of new technologies.
Skills
Required:ReactGraphQLMentoring
Nice to have:Next.jsPythonPostgres
Benefits
- Generous Holiday and Time off Policy
- Health Insurance options including Medical, Dental, Vision
- Work From Home Support
- Care benefits
- Retirement; 401k with employer match up to 4% (Traditional and Roth in US) and international pension plans
- Monthly allowance to dogfood the app
- Parental Leave
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Whatnot
Whatnot is the largest livestream shopping platform in the U.S.
Whatnot is the largest livestream shopping platform in the U.S., connecting buyers and sellers in real-time across any category – from collectibles like trading cards to comics, fashion, sneakers, and more.
marketplacee-commerce
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