Fullstack Engineer, Buyer Growth

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 re-defining 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 Buyer Growth team is responsible for driving Whatnots top-of-funnel growth and first-time buyer success. We focus on acquisition, activation, and early retention, partnering closely with product, data, design, and marketing to build experiences that bring new users into the ecosystem and turn them into loyal customers. In this role, you will

Lead and scale critical growth initiatives such as onboarding flows, referral systems, guest browsing, notification systems

Design and own end-to-end systems , from backend services to frontend experiences, that impact millions of users. Drive architectural decisions to ensure systems are reliable, scalable, and extensible as we scale rapidly.

Work across product, marketing, and data science to identify high-leverage growth opportunities and rapidly iterate on experiments.

Instrument, monitor, and improve funnels to drive measurable lifts in new user conversion and retention.

Mentor other engineers and contribute to raising the bar for engineering excellence across the team.

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

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.

5+ years of full-time, generalist software engineering experience in high growth tech companies, and a track record of delivering impactful, user-facing products autonomously.

Bachelors Degree in Computer Science or related field or equivalent work experience

A strong foundation in backend and frontend development. Youre comfortable moving between layers and integrating systems end-to-end.

Excellent product instincts. You first think about users rather than the best technical solution.

Ability to take ownership of an ambiguous area and define and then drive impact.

Ability to flexibly work across multiple workstreams, thriving in a fast-paced environment

Preferred Qualifications :

Experience building E-commerce or Social products

Expertise in mobile and / or full stack web development frameworks

Familiarity with growth engineering strategies, A / B testing, and analytics

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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