Senior Payments Platform Architect

re-zoo-me; Singapore; On-site; SGD 180,000 - 260,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex benefits

Parental and Birthday leave

LASA volunteering leave

Grabber Assistance Programme

FlexWork arrangements

Job summary

Grab is seeking a Lead Software Engineer for FundsCore to drive the architecture and delivery of regional payments platforms. You will create fault-tolerant, compliant services handling high transaction volumes across multiple currencies and regulatory regimes.

You will partner with Product, Risk, Compliance, Finance, and country teams to enable authorization, capture, settlement, reconciliation, disbursements, payouts, refunds, and wallets. Report to Head of Engineering, FundsCore.

Qualifications

• 10+ years in software with 5+ in senior/lead roles delivering complex systems.
• Strong skills in Java, Go, or Python with solid testing discipline.
• Deep expertise in distributed systems and microservices.
• Extensive payments experience (auth/capture, settlement, ledger, payouts, refunds/disputes).
• Strong SQL/NoSQL and data modeling, reconciliation.
• Security/compliance knowledge: PCI DSS, encryption, privacy, KYC/AML.
• Experience with AWS/Azure/GCP and multi-region deployments.
• Familiarity with DevOps/SRE, CI/CD, IaC, 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 clear APIs and data models.
• Build resilient integrations to card networks, banks, and real-time rails.
• Champion reliability, observability, security, compliance, scalability, and cost.
• Lead regionalization across currency, localization, regulation, and migrations.
• Make data-driven decisions balancing impact, speed, and maintainability.
• Lead architecture reviews, set coding/testing standards, and elevate service quality.
• Mentor senior engineers and scale best practices across the org.

Skills

Distributed systems

Microservices

Java

Go

Python

SQL/NoSQL

Security & compliance

Cloud (AWS/Azure/GCP)

DevOps/SRE

Architecture leadership

Education

Bachelor's in Computer Science

Master's degree preferred

Tools

CI/CD tooling

IaC (Terraform/CloudFormation)

Observability tools

KMS / encryption tooling

Job description

Grab is seeking a Lead Software Engineer for FundsCore to drive the architecture and delivery of regional payments platforms. You will create fault-tolerant, compliant services handling high transaction volumes across multiple currencies and regulatory regimes.

You will partner with Product, Risk, Compliance, Finance, and country teams to enable authorization, capture, settlement, reconciliation, disbursements, payouts, refunds, and wallets. Report to Head of Engineering, FundsCore.