Remote (Global) USD 140,000 – 180,000 / year

Alt is hiring a Senior Fullstack Engineer, Auctions

Responsibilities

  • Design and expand the auction engine to handle high-concurrency bidding and listing systems, driving significant annual revenue.
  • Create next-generation features utilizing AI to offer immediate valuations and upfront liquidity to consignors and sellers.
  • Leverage data and machine learning to develop personalized discovery experiences, matching unique collectibles with suitable buyers.
  • Create and launch advanced management tools for high-frequency sellers and experienced hobbyists.
  • Develop end-to-end systems, from low-latency backend logic for live bidding to responsive user interfaces.
  • Promote technical excellence by mentoring the team and setting high standards for code quality, system reliability, and performance.

Requirements

  • Over 5 years of experience in building and scaling complex applications using Python, Postgres, and AWS/Cloud infrastructure.
  • Expertise in modern frontend technologies, including React, TypeScript, and creating high-performance, real-time user interfaces.
  • Proven ability to build reliable systems that maintain high availability under significant traffic and pressure.

Nice to Have

  • Experience with personalization engines, recommendation systems, or AI/ML integrations.
  • Strong product instincts and the ability to understand and build features that cater to the collector mindset.

Benefits

  • Influence the future direction of the company and the alternative asset space.
  • Autonomy and ownership over impactful projects.
  • $100/month stipend for working from home.
  • $200/month stipend for wellness activities.
  • WeWork office stipend.
  • 401(k) retirement benefits.
  • Flexible vacation policy.
  • Generous paid parental leave.
  • Competitive healthcare benefits, including HSA, for employees and their dependents.

Compensation

Not specified

Work Arrangement

Hybrid

Team

Collaborative and innovative team focused on alternative assets.

Responsibilities

  • Architect the Auction Engine: Build and scale the high-concurrency bidding and listing systems that power 9-figure annual GMV
  • Ship AI-Powered Liquidity: Develop next-gen features that leverage AI to provide instant valuations and upfront liquidity to our consignors and sellers
  • Personalize the Hobby: Use data and machine learning to build rich, personalized discovery experiences that match unique collectibles to the right buyers
  • Empower Power Users: Design and launch sophisticated management tools for everyone from high-frequency 'power sellers' to veteran hobbyists
  • Own the Experience: Build end-to-end—from the low-latency backend logic required for live bidding to the sleek, responsive UI where the action happens
  • Drive Technical Excellence: Mentor the team and set the standard for code quality, system reliability, and performance

Required

  • 5+ years of experience building and scaling complex applications (Python, Postgres, AWS/Cloud infra)
  • Modern Frontend Mastery: Deep experience with React, TypeScript, and building high-performance, real-time UIs
  • Reliability Under Pressure: You have a track record of building systems that stay up when the stakes (and the traffic) are highest

Preferred

  • Data-Driven Mindset: Experience working with personalization engines, recommendation systems, or AI/ML integrations is a major plus
  • Product Instincts: You don’t just build what’s on the ticket; you understand the collector mindset and build features that delight them

Benefits

  • A seat at the table to help shape the future of Alt and the alternative asset space
  • Autonomy and ownership on projects that matter
  • $100/month work-from-home stipend
  • $200/month wellness stipend
  • WeWork office stipend
  • 401(k) retirement benefits
  • Flexible vacation policy
  • Generous paid parental leave
  • Competitive healthcare benefits, including HSA, for you and your dependent(s)

Not specified

Required Skills
React.jsTypeScript
About company
Alt
Alt is unlocking the value of alternative assets, starting with the $5 B trading-card market. We let collectors buy, sell, vault, and finance their cards in one place.
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Job Details
Category fullstack
Posted 4 months ago