3 months ago
Singapore, SingaporeSenior
Responsibilities
- Design, build, and own backend services for liquidity management, safeguarding, investment workflows, and cash data management.
- Develop systems that position funds efficiently and reliably across entities, accounts, and currencies.
- Build platforms for liquidity forecasting, cash positioning, internal fund movement, funding optimisation, and operational decision-making.
- Develop infrastructure supporting safeguarding compliance, regulatory reporting, fund segregation, reconciliation, and control processes.
- Enhance investment platform capabilities for safe and policy-compliant management of surplus funds.
- Build data pipelines, models, and analytical capabilities for cash positions, liquidity usage, fund flows, and optimisation opportunities.
- Develop distributed systems using backend architectures, event-driven workflows, Kafka, gRPC, REST APIs, and SQL/NoSQL datastores.
- Implement controls for limits, approvals, reconciliation, data quality, monitoring, and auditability.
- Deliver features end-to-end from requirements clarification and solution design through implementation, testing, deployment, observability, and operational runbooks.
- Collaborate with product and non-technical stakeholders and engineering, Treasury, Finance, Legal, Compliance, Risk, and Data teams on APIs, data contracts, and workflows.
- Instrument services with metrics, logs, and tracing for capacity planning, performance optimisation, incident response, and continuous improvement.
- Participate in code reviews, technical design discussions, knowledge sharing, and mentoring.
- Participate in the on-call rotation to maintain platform reliability and availability.
Requirements
- At least five 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 willingness to work primarily in the JVM ecosystem.
- Understanding of distributed systems fundamentals including concurrency, data consistency, idempotency, retries, backoff, and network-service failure modes.
- Experience designing and working with REST 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 unit, integration, and contract testing, with familiarity with CI/CD pipelines.
- Understanding of observability through metrics, logging, tracing, and alerting, including debugging production issues.
- Clear written and verbal communication skills and comfort collaborating with cross-functional partners.
- Preferred experience in fintech, payments, treasury, banking, liquidity management, safeguarding, investment platforms, regulatory reporting, or financial data systems.
- Preferred experience building systems requiring auditability, reconciliation, controls, approval workflows, or financial correctness.
- Preferred experience with data-intensive systems, cash-flow analytics, forecasting, reporting, or operational dashboards.
- Preferred familiarity with cash positioning, fund movement, bank account structures, entity-level liquidity, safeguarding, investment limits, or cash optimisation.
- Preferred experience designing platforms for global operations across markets, currencies, entities, or regulatory environments.
Benefits
- The role is based in Singapore.
- Participation in an on-call rotation supported by observability, runbooks, and team processes.
- Opportunities to mentor less-experienced engineers and collaborate across Product, Treasury, Finance, Legal, Compliance, Risk, Data, and Engineering teams.
Tech Stack
Categories
BackendData Engineering
About Airwallex
Airwallex builds a global payments and financial operations platform for businesses, offering payment acceptance, multi-currency accounts, FX and transfers, card issuing, treasury and spend management via APIs and web apps. It monetizes through transaction and foreign-exchange fees and related account services. Founded in Melbourne in 2015 and privately held, the company serves customers worldwide, with notable users including Brex, Canva and Qantas.