Engineering Manager, Buyer

Whatnot · Consumer · San Francisco, CA · Engineering

Engineering Manager for Whatnot's Buyer Engineering team, focusing on the end-to-end buyer experience. This role will lead a full-stack team to scale the 'Seller Provided Support' initiative, integrating with messaging, payments, and logistics to build intelligent tooling for sellers to resolve post-purchase issues. The goal is to drive adoption, reduce refund rates, and improve customer satisfaction.

What you'd actually do

  1. Own scaling SPS to all Whatnot sellers, leading a full-stack team at the intersection of high business impact, technical complexity, and excellent product UX.
  2. Partnering closely with Product, Design, and platform teams, you’ll lead the design of scalable systems integrating with messaging, payments, and logistics, and build the intelligent tooling sellers need to resolve post-purchase issues.
  3. This role is end-to-end: you’ll own business outcomes, technical strategy, and execution to a cohesive UX experience.
  4. Success looks like wide SPS adoption, measurable refund rate reduction, strong CSAT, and a growing team delivering with speed and quality.
  5. This role can expand broadly across CX as we build a world-class, intelligent support platform for one of the fastest-growing marketplaces in the US.

Skills

Required

  • 8+ years in product or platform engineering
  • 3+ years managing teams (6–12 engineers)
  • Proven track record of building high-impact, end-to-end product experiences and scaling backend systems
  • Ability to translate strategic user and business problems into robust technical systems and delightful product experiences
  • Able to act as the team’s technical lead when needed — lead system design, make pragmatic trade-offs, and drive holistic execution
  • Track record of growing engineering teams that deliver complex, large-scale products with speed and quality
  • Owns outcomes end-to-end, thrives in ambiguity, and unblocks the team across business, technical, and operational challenges

Nice to have

  • Experience with messaging systems, or support platforms
  • familiarity with Python/Elixir/Postgres

What the JD emphasized

  • Seller Provided Support
  • support volume rose by 6x last year alone
  • top priority