Software Engineer, Financial Platform

Whatnot
Dublin
Workplace: HybridFull timeFunction: Software EngineeringExperience: 3-5 yearsSkills: ["Product instincts","Mentorship","Inclusivity","Project ownership","Problem-solving"]

Build and scale the Financial Platform powering every transaction on the Whatnot marketplace. You’ll work on systems that calculate earnings, fees, costs, taxes, cross-border duties, and manage returns, refunds, and seller payouts at high volume. The team enables rapid growth by delivering reliable infrastructure and new ways for users to transact—while you own projects from inception to production and mentor others.

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FursaFursa
Whatnot
Whatnot
2 months ago

Software Engineer, Financial Platform

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Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Build and scale the Financial Platform powering every transaction on the Whatnot marketplace. You’ll work on systems that calculate earnings, fees, costs, taxes, cross-border duties, and manage returns, refunds, and seller payouts at high volume. The team enables rapid growth by delivering reliable infrastructure and new ways for users to transact—while you own projects from inception to production and mentor others.
Location: Dublin
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Build reliable, scalable infrastructure powering Whatnot and customer businesses.
  • •Develop and maintain systems for earnings, fees, costs, taxes, and cross-border duties.
  • •Accurately manage returns, refunds, and seller payouts at scale.
  • •Ship innovative, user-facing ways for people to transact as the marketplace grows.
  • •Support expansion of both buyers and sellers by enabling platform growth through engineering execution.

Pay and Benefits

Perks:Health InsuranceDentalVisionRemote WorkHome Office401kPensionParental LeaveChildcare

Key Requirements

  • •3-5+ years of software development experience building scalable systems that can handle millions of users.
  • •Comfort with multiple programming languages; primarily Python, Elixir, and JavaScript.
  • •Excellent product instincts—think about users and outcomes rather than the “best” technical solution.
  • •Ability to mentor others and prioritize inclusive, supportive teams.
  • •Project ownership—can own projects from inception through production (and beyond).
Experience:3-5 yearsPaymentsInternational commerceMarketplacesStartup
Skills:Product instinctsMentorshipInclusivityProject ownershipProblem-solving
Tech Stack:PythonElixirJavaScript

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