Senior Software Engineer, Back End, Accounting & Treasury

As a Senior Backend Software Engineer, you will build and own Caliza’s accounting and treasury systems, including double-entry ledgers, reconciliation services, and liquidity tooling. You’ll model complex money movements across fiat, stablecoins, currencies, returns, reversals, fees, and financing instruments with strong accuracy and auditability. Working with finance, compliance, and operations teams, you’ll develop resilient Kotlin and Spring Boot services that are idempotent, testable, and reliable across distributed payment rails.