Payments Platform Lead — Architecture & Scale

Grab; Singapore; On-site; SGD 180,000 - 300,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex

Parental leave

Birthday leave

Love-all-Serve-all volunteering leave

Grabber Assistance Programme

FlexWork hours

Job summary

Grab is seeking a Lead Software Engineer for FundsCore to drive the architecture and delivery of regional-scale payments platforms that power our ecosystem across Southeast Asia. You will design fault-tolerant, compliant services processing high transaction volumes across currencies and regulatory regimes.

You will partner with Product, Risk, Compliance, Finance, and country teams to build capabilities spanning authorization, settlement, disbursements, refunds, and wallets.

Qualifications

• Bachelor's in Computer Science or related field (Master's preferred).
• 10+ years in software with 5+ years in senior/lead roles delivering complex systems.
• Advanced in AI tooling in coding and solving problems to achieve velocity.
• Advanced in Java, Go, or Python with strong coding and testing discipline.
• Deep expertise in distributed systems and microservices: decomposition, reliability, scale.
• Extensive hands-on payments experience (auth/capture, settlement, recon, ledger, payouts, refunds/disputes).
• Strong SQL/NoSQL skills with financial data modeling, consistency, and reconciliation.
• Experience with card networks, banks, APMs, and real-time rails integrations.
• Security/compliance: PCI DSS, encryption/KMS, privacy, KYC/AML.
• Significant AWS/Azure/GCP experience; multi-region, multi-tenant, cost efficiency.
• Familiarity with DevOps/SRE: CI/CD, IaC, observability, incident response, and SLOs.

Responsibilities

• Own design and delivery of mission-critical payment systems with high availability and low latency.
• Define core payments architecture and drive platformization with stable APIs and data models.
• Build resilient integrations to card networks, banks, and real-time rails.
• Champion reliability, observability, security, compliance, scalability, and cost; lead chaos tests and incidents.
• Lead regionalization across currency, localization, and regulatory needs with safe rollouts.
• Make data-driven decisions balancing impact, speed, and maintainability; align stakeholders on trade-offs.
• Author and review design docs and RFCs; set coding and testing standards.
• Mentor senior engineers and scale best practices and culture.

Skills

Java

Go

Python

Distributed systems

Microservices

SQL/NoSQL

Security/compliance

AWS/Azure/GCP

DevOps/SRE

CI/CD

IaC

Observability

Incident response

SLOs

Education

Bachelor's in Computer Science

Master's degree

Tools

CI/CD tools

IaC

Observability tooling

Job description

Grab is seeking a Lead Software Engineer for FundsCore to drive the architecture and delivery of regional-scale payments platforms that power our ecosystem across Southeast Asia. You will design fault-tolerant, compliant services processing high transaction volumes across currencies and regulatory regimes.

You will partner with Product, Risk, Compliance, Finance, and country teams to build capabilities spanning authorization, settlement, disbursements, refunds, and wallets.