Senior Backend Engineer, Financial Ledger & Reconciliation

Caliza; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Caliza, a remote startup building commercial banking infrastructure, seeks a back-end engineer to own ledger and treasury systems, enabling cross-border USD accounts, multi-currency payments, and fiat-stablecoin flows.

You will design and maintain ledger and treasury services in Kotlin and Spring Boot, model money movement with double-entry accounting, and build reconciliation with immutable audit trails for finance and compliance.

Qualifications

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

Responsibilities

• 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.

Skills

Kotlin/Java backend

Relational databases

Distributed systems

Tools

Spring Boot

Job description

Caliza, a remote startup building commercial banking infrastructure, seeks a back-end engineer to own ledger and treasury systems, enabling cross-border USD accounts, multi-currency payments, and fiat-stablecoin flows.

You will design and maintain ledger and treasury services in Kotlin and Spring Boot, model money movement with double-entry accounting, and build reconciliation with immutable audit trails for finance and compliance.