Whatnot is hiring a Fullstack Engineer, Buyer Growth. In this role, you will be instrumental in driving the company's top-of-funnel growth and ensuring first-time buyer success. You'll lead and scale critical growth initiatives, design end-to-end systems, and work cross-functionally to identify and rapidly iterate on high-leverage opportunities.

What You'll Do

Lead and scale critical growth initiatives such as onboarding flows, referral systems, guest browsing, and 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 the company scales 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.

What We're Looking For

5+ years of full-time, generalist software engineering experience in high growth tech companies.
Track record of delivering impactful, user-facing products autonomously.
Bachelor’s Degree in Computer Science or related field or equivalent work experience.
Strong foundation in backend and frontend development, comfortable moving between layers and integrating systems end-to-end.
Excellent product instincts, thinking first about users rather than the best technical solution.
Ability to take ownership of an ambiguous area, define it, and then drive impact.
Ability to flexibly work across multiple workstreams, thriving in a fast-paced environment.
Must be within commuting distance of our Los Angeles, San Francisco, Seattle, or New York hubs.

Nice to Have

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.

Team & Environment

You will partner closely with product, data, design, and marketing teams.

Benefits & Compensation

Flexible Time off Policy and Company-wide Holidays (including 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.
Parental Leave: 16 weeks of paid parental leave + one month gradual return to work.

Work Mode

This role is based in our local hubs. Candidates must be within commuting distance of Los Angeles, CA; San Francisco, CA; Seattle, WA; or New York, NY.

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.