Job Summary

Most backend roles are about shipping features on top of existing infrastructure. This one is different. Core Engine is Uphold's ground-up rebuild of the transaction engine that powers financial operations for millions of customers across 140+ countries. We are replacing a 10+ year-old backend with a modern double-entry ledger built on TigerBeetle, PostgreSQL, and Go - and migrating the entire transaction history to it, live, without disrupting production.

It is the most consequential engineering project happening at Uphold right now. If financial correctness, distributed systems, and systems that genuinely cannot be wrong are what you care about, this is the room to be in.

Essential Duties and Responsibilities

• Design and implement financial workflows across the full ledger system: account management, transaction processing, settlement, and legacy migration
• Build double-entry accounting logic where correctness is non...