Senior Software Engineer

Whatnot
San Francisco, New York, Los Angeles, Seattle
Workplace: HybridFull timeUSD 207,000 - 230,000 annuallyFunction: Software EngineeringExperience: 5+ yearsSkills: ["Mentorship","Cross-functional collaboration","Product instincts","Bias toward action","Autonomy"]

Design and deliver complex product and platform systems for a large-scale live shopping marketplace. You’ll build and operate scalable distributed backend/full-stack systems, own technical projects end-to-end, and turn ambiguous product problems into reliable solutions. Partner closely with Product, Design, Data Science, and Engineering while leading execution across multiple engineers, raising the technical bar through reviews, operational excellence, and mentorship.

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FursaFursa
Whatnot
Whatnot
2 months ago

Senior Software Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Design and deliver complex product and platform systems for a large-scale live shopping marketplace. You’ll build and operate scalable distributed backend/full-stack systems, own technical projects end-to-end, and turn ambiguous product problems into reliable solutions. Partner closely with Product, Design, Data Science, and Engineering while leading execution across multiple engineers, raising the technical bar through reviews, operational excellence, and mentorship.
Location: San Francisco, New York, Los Angeles, Seattle
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key 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 maintainability.
  • •Break down ambiguous product and platform problems into clear technical solutions and drive them to completion.
  • •Lead engineering execution by coordinating multiple engineers and cross-functional partners to deliver high-impact outcomes.
  • •Raise the technical bar through code reviews, design discussions, operational excellence, and mentorship.

Pay and Benefits

Salary: USD 207,000 - 230,000 annually
Perks:Health InsuranceDentalVisionRemote WorkHome Office401kPaid LeaveChildcareWellness StipendParental Leave

Key Requirements

  • •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.
  • •Strong system design skills and experience building reliable, maintainable distributed systems.
  • •Ability to lead engineering execution for initiatives involving multiple engineers and partner effectively cross-functionally.
Experience:5+ yearsHigh-growth technology
Skills:MentorshipCross-functional collaborationProduct instinctsBias toward actionAutonomy
Tech Stack:PythonElixirJavaScriptDistributed systems

Company Brief

Whatnot
Whatnot is a live-stream shopping marketplace connecting sellers and collectors for trading cards, toys, and collectibles. The platform hosts live auctions and interactive streams, enabling creators and small businesses to sell directly to engaged communities.
Industry: Online Marketplaces
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series D
Headquarters: United States
Founded: 2019
WebsiteLinkedIn