Senior Fullstack Engineer, Auctions
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Requirements
• Drive Technical Excellence: Mentor the team and set the standard for code quality, system reliability, and performance. • Drive Technical Excellence: • This is a perfect fit if you… • Love High-Scale Challenges: You aren’t intimidated by 9-figure transaction volumes or the "thundering herd" of bidders in the final seconds of an auction. • Love High-Scale Challenges: • Are an AI Pragmatist: You know how to take LLMs or computer vision models and turn them into practical, user-facing features that solve real business problems. • Are an AI Pragmatist: • Think in Systems & UX: You can visualize how a data schema change on the backend will ripple out into the user experience for a power seller. • Think in Systems & UX: • Have High Agency: You thrive in an environment where you are expected to identify the highest-leverage work and execute on it without a hand-holding manual. • Have High Agency: • 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. • Modern Frontend Mastery: • Data-Driven Mindset: Experience working with personalization engines, recommendation systems, or AI/ML integrations is a major plus. • Data-Driven Mindset: • Product Instincts: You don’t just build what’s on the ticket; you understand the collector mindset and build features that delight them. • Product Instincts: • Reliability Under Pressure: You have a track record of building systems that stay up when the stakes (and the traffic) are highest. • Reliability Under Pressure: • What You’ll Get From Us: • 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) • Base salary range: $140,000-$180,000, plus equity. Offers may vary based on experience, location, and other factors.
Responsibilities
• Architect the Auction Engine: Build and scale the high-concurrency bidding and listing systems that power 9-figure annual GMV. • Architect the Auction Engine: • Ship AI-Powered Liquidity: Develop next-gen features that leverage AI to provide instant valuations and upfront liquidity to our consignors and sellers. • Ship AI-Powered Liquidity: • Personalize the Hobby: Use data and machine learning to build rich, personalized discovery experiences that match unique collectibles to the right buyers. • Personalize the Hobby: • Empower Power Users: Design and launch sophisticated management tools for everyone from high-frequency "power sellers" to veteran hobbyists. • Empower Power Users: • 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.