Senior Fullstack Engineer, Auctions
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Job Description
Senior Fullstack Engineer building high-scale transaction systems for Alt's marketplace, focusing on AI-powered liquidity and personalized user experiences.
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.
Requirements:
- 5+ years of experience building and scaling complex applications (Python, Postgres, AWS/Cloud infra)
- Deep experience with React, TypeScript, and building high-performance, real-time UIs
- Experience working with personalization engines, recommendation systems, or AI/ML integrations is a major plus.
- You don’t just build what’s on the ticket; you understand the collector mindset and build features that delight them.
- You have a track record of building systems that stay up when the stakes (and the traffic) are highest.
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)
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