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 and we are backed by leaders at Stripe, Coinbase, Seven Seven Six, and pro athletes like Tom Brady and Giannis Antetokounmpo. Our next frontier is real-time pricing at scale—the Alt Value that powers every trade, loan, and product on the platform.

We're looking for a Senior Fullstack Engineer to help build Alt Vault into a standalone, $100M+ business. You won't just be writing features — you'll be the founding engineer of a business unit that's expanding from trading cards into watches, art, and sealed wax, and shipping Vault-as-a-Service to enterprise partners.

If you think like an owner, care about operational excellence, and want to build the infrastructure behind the largest alternative asset vault in the world, you'll thrive here.

What You'll Do Here:

Automate the vault pipeline: Drastically reduce the time from item received to live on platform — building intake automation, scan orchestration, and quality-control tooling.
Expand beyond cards: Design and build ingestion, grading, and pricing workflows for non-card asset classes (watches, art, sealed wax) so Alt Values appear the moment items are vaulted.
Build Vault-as-a-Service: Architect the account infrastructure, billing, and APIs that let enterprise partners programmatically vault, ship, and manage assets at scale.
Ship the digitization stack: Optimize card imaging, lighting pipelines, and help turn static front/back photos into 360-degree views for digital repackers.
Own the full stack: Take features from technical design through polished UI — Vault touches real-world operations, and the product surfaces need to be as sharp as the backend.
Be a multiplier: Level up the growing Vault team through code reviews, technical documentation, and mentorship.

This is a perfect fit if you…

Think like a business owner: You don't just ship code — you understand P&Ls, SLAs, and what it takes to run a product as an independent business unit.
Are excited about Alt specifically: You're drawn to alternative assets, collectibles, or the idea of building real-world infrastructure for physical goods — not just another SaaS CRUD app.
Love operational complexity: You're energized by problems that bridge software and the physical world — logistics, imaging, asset handling, and partner integrations.
Are pragmatic and fast: You know when to build custom and when to integrate, and you bias toward action.

What You Bring to the Table:

5+ years of backend experience (Python, Postgres, AWS or similar cloud infrastructure) and frontend experience (React, React Native, JavaScript/TypeScript)
A track record of owning features or systems from design to production
Strong collaboration and communication skills — you write great docs, ask smart questions, and give thoughtful feedback
A user-first mindset with a sharp eye for clean UX and performance
Bonus: You're familiar with the collectibles space or alternative asset marketplaces

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% remote working environment
$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.

Your privacy, your choice

Senior Software Engineer, Vault

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What You'll Do Here:

This is a perfect fit if you…

What You’ll Get From Us:

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