Senior Software Engineer, Back End, Accounting & Treasury; Fully Remote

• Build and own the systems behind double-entry ledger, reconciliation, and fiat-stablecoin conversion tracking.
• Ensure every payment is recorded exactly once, correctly, and reconciled against banks and on-chain wallets.

• Design and maintain ledger and treasury services in Kotlin and Spring Boot.
• Model money movement with double-entry accounting, including returns, reversals, fees, and FX.
• Build reconciliation and maintain immutable audit trails for finance and compliance.

• 5+ years of back-end development experience with strong Kotlin or Java and relational databases.
• Experience building accounting systems or other money-critical systems, plus distributed systems consistency and idempotency.

• Use AI coding tools daily while owning and testing every line you ship.
• Work with high autonomy and async collaboration in a remote startup environment.

Caliza is commercial banking infrastructure enabling cross-border businesses to hold USD accounts, collect and pay in 33+ currencies, and convert between fiat and stable coins via one platform and API. It is a remote startup backed by notable investors, with a team that has built financial infrastructure at Visa, Nubank, and other fintechs, and values high autonomy and async collaboration.