Lead Software Engineer, FundsCore

About the role

Grab is building the future of payments in Southeast Asia through its GFin and Grab Financial Services team. As Lead Software Engineer for FundsCore, you will be the technical driver behind regional-scale payments platforms serving consumers, drivers, merchants and enterprises. You will design and ship fault-tolerant, compliant and cost-efficient services handling high transaction volumes across countries, currencies and payment methods, working with Product, Risk, Compliance, Finance, Operations and country teams. You report to the Head of Engineering, FundsCore.

The role is 5 days onsite at the Grab One-North office.

Key responsibilities

• Own the design and delivery of mission-critical payment systems with high availability, low latency and strict correctness.
• Define core payments architecture and platformization, with clear domains, stable APIs, event contracts, data models and versioning.
• Build resilient integrations with card networks, banks, APMs and real-time rails that tolerate change and outages.
• Champion reliability, observability, security, compliance, scalability, operability and cost with SRE and Security, and lead chaos tests, disaster recovery and incidents.
• Lead regionalization across currency, localization, regulation and scheme needs with safe rollouts and migrations.
• Author and review design docs and RFCs, lead architecture reviews, set coding and testing standards, and mentor senior and staff engineers.

Required profile

• Bachelor's degree in Computer Science or related field; a Master's is preferred.
• 10+ years in software, including 5+ in senior or lead roles delivering complex systems.
• Extensive hands-on work in payments (authorization, capture, settlement, reconciliation, ledger, payouts, refunds and disputes).
• Proven integrations with card networks, banks, APMs and real-time rails.
• Strong grounding in security and compliance: PCI DSS, encryption/KMS, privacy, and KYC/AML.

Required skills

• Advanced Java, Go or Python, with strong coding and testing discipline.
• Deep expertise in distributed systems and microservices.
• Strong SQL/NoSQL skills and financial data modeling.
• Significant AWS, Azure or GCP experience, including multi-region, multi-tenant setups.
• Familiarity with DevOps/SRE practices: CI/CD, IaC, observability, incident response and SLOs.

What we offer

• Term life insurance and comprehensive medical insurance.
• Parental and birthday leave, plus volunteering leave.
• A confidential assistance programme for employees and their families.
• FlexWork arrangements such as differentiated hours.