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Senior Software Engineer

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Hybrid (Remote/Los Angeles, New York City, San Francisco, Seattle)$207k - $230kFull-timePosted 4w ago

About the role

Senior Software Engineer role at Whatnot focusing on design and delivery of scalable product and platform systems for a fast-growing live commerce marketplace. Role involves cross-functional collaboration, ownership of complex projects, and mentorship to raise engineering standards.

Responsibilities

  • Design, build, and operate scalable distributed systems that power core marketplace experiences.
  • Own complex technical projects from inception through production, balancing speed, reliability, and long-term maintainability.
  • Break down ambiguous product and platform problems into clear technical solutions and drive them to completion.
  • Lead the engineering execution of projects, coordinating with multiple engineers and cross-functional partners to deliver high-impact outcomes.
  • Raise the technical bar through thoughtful code reviews, design discussions, operational excellence, and mentorship.
  • Make pragmatic technical decisions that enable the team to move quickly while building for long-term scale.
  • Continuously identify opportunities to improve developer velocity, system reliability, and customer experience.

Qualifications

  • 5+ years of full-time software engineering experience, ideally in high-growth technology companies.
  • Experience building and operating scalable backend or full-stack systems in production.
  • A track record of independently owning complex technical projects from design through launch.
  • Experience breaking down ambiguous product or platform problems into practical technical solutions.
  • Strong system design skills and experience building reliable, maintainable distributed systems.
  • The ability to lead engineering execution for initiatives involving multiple engineers while partnering effectively with Product, Design, Data Science, and other cross-functional teams.
  • A strong bias toward action—you move with urgency, make thoughtful trade-offs, and consistently deliver high-impact work.
  • Excellent product instincts. You prioritize customer and business impact and can clearly articulate why the work matters.
  • The ability to solve new and unfamiliar technical challenges with autonomy.
  • A track record of mentoring teammates and contributing to a collaborative, high-performing engineering culture.

Skills

Required:Distributed systems designBackend / Full-stack developmentSystem leadership / project ownership

Benefits

  • Generous Holiday and Time off Policy
  • Health Insurance options including Medical, Dental, Vision
  • Work From Home Support
  • Care benefits
  • 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
Last updated Oct 21, 2026. Interested? Apply on the company site.
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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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