Software Engineer II, Liquidity Platform

About the role

Airwallex, the AI-native financial operating system used by more than 675,000 businesses, is hiring a Software Engineer II for its Liquidity Platform. You will design, build and own backend services that help Airwallex manage funds efficiently, securely and intelligently across global entities, accounts and currencies. This is an in-office role, five days a week in the Singapore office.

Key responsibilities

• Build scalable systems for liquidity forecasting, cash positioning, internal fund movement, funding optimisation, safeguarding, investment workflows and operational decision-making.
• Deliver reliable backend services for liquidity management, safeguarding, investment workflows and cash data management.
• Improve the availability and efficiency of funds across entities, accounts and currencies.
• Strengthen financial infrastructure through robust controls, reconciliation, observability and auditability.
• Partner with Product, Treasury, Finance, Legal, Compliance, Risk, Data and other engineering teams to take features from requirements through implementation, testing, deployment and operation.
• Own services end-to-end using distributed systems, event-driven workflows, Kafka, gRPC, REST APIs and SQL or NoSQL data stores.

Required profile

• 2+ years of experience building and operating backend systems in production.
• Strong programming experience in one or more JVM languages such as Kotlin or Java, or a comparable backend stack, with a willingness to work primarily in the JVM ecosystem.
• Solid understanding of distributed systems fundamentals: concurrency, data consistency, idempotency, retries, backoff and failure modes.
• Experience with REST and/or gRPC APIs and persistence layers using relational databases such as PostgreSQL and/or key-value stores.
• Proficiency with event-driven architectures and message brokers or streams such as Kafka.
• Strong focus on testing and quality, including unit, integration and contract tests, with familiarity with CI/CD pipelines.
• Good grasp of observability, including metrics, logging, tracing and alerting.
• Clear written and verbal communication, able to collaborate with cross-functional partners in a fast-paced environment.
• Preferred: fintech, payments, treasury, banking, liquidity management, safeguarding, investment platforms, regulatory reporting or financial data systems experience; experience with auditability, reconciliation, controls and approval workflows; experience with data-intensive systems, cash flow analytics, forecasting and reporting; familiarity with financial operations concepts such as cash positioning, fund movement and bank account structures; experience designing platforms supporting global operations across markets, currencies and entities.