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Senior Software Engineer, Payments

None • New York, NY, US • published 2026-10-08 09:03:35.698449

Description

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. **The Role** ------------ An auction closes and every seller in it gets paid in the same moment, each against a different fee schedule — some by ACH, some by wire, some instant. A buyer funds a five\-figure purchase and the bank returns it three days later. A webhook arrives twice, out of order, from a provider that was down for an hour. Every one of those movements has to reach the right account, on the right rail, at the right time, and land in the ledger exactly once. That is the whole job. You own how money physically moves at Alt: the providers, the rails, the orchestration layer that routes between them, and the risk posture that keeps a marketplace of high\-value transactions safe. The ledger team owns the record; you own everything that happens between a customer's...

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