Overview

Grab is Southeast Asia's leading superapp, offering services from food delivery to financial management and transportation. The company is driven by a mission to economically empower everyone across Southeast Asia through technology and AI.

About the Team

At GFin and Grab Financial Service, the team is building the future of payments in Southeast Asia. The payments engineering organization powers all payment experiences across the Grab ecosystem, including in-app wallet transactions, online checkouts, in-store POS payments, and acquiring services for merchants.

About the Role

As a Lead Software Engineer for FundsCore at Grab, you will be the technical driver behind the architecture and delivery of regional-scale payments platforms that power consumer, driver, merchant, and enterprise ecosystems across Southeast Asia. You will design and ship fault-tolerant, compliant, and cost-efficient services that process high volumes of transactions across multiple countries, currencies, payment methods, and regulatory regimes.

You will partner closely with Product, Risk, Compliance, Finance, Operations, and country teams to build platform capabilities spanning authorization, capture, settlement, reconciliation, disbursements and payouts, refunds and disputes, as well as wallets and real-time bank transfers.

You will report to the Head of Engineering, FundsCore. This role requires 5-day onsite presence at the Grab One-North office.

Responsibilities

• •Own design and delivery of mission-critical payment systems with high availability, low latency, and strict correctness
• •Define core payments architecture and drive platformization with clear domains, stable APIs, event contracts, data models, and versioning
• •Build resilient integrations to card networks, banks, APMs, and real-time rails that tolerate changes and outages
• •Champion reliability, observability, security, compliance, scalability, operability, and cost with SRE and Security teams, and lead chaos tests, DR, and incidents
• •Lead regionalization across currency, localization, regulation, and scheme needs with safe rollouts and migrations
• •Make pragmatic, data-driven decisions that balance impact, speed, and maintainability, and align stakeholders on trade-offs
• •Author and review design docs and RFCs, lead architecture reviews, set coding and testing standards, and elevate service quality
• •Lead by example with prototypes and critical-path builds, mentor senior and staff engineers, and scale best practices and culture

Requirements

• •Bachelor's degree in Computer Science or related field required; Master's preferred
• •8+ years in software engineering, including 3+ years in senior or lead roles delivering complex systems
• •Advanced proficiency in Java, Go, or Python with strong coding and testing discipline
• •Deep expertise in distributed systems and microservices including decomposition, reliability, and scale
• •Extensive hands-on experience in payments domains: auth and capture, settlement, reconciliation, ledger, payouts, refunds and disputes, and orchestration
• •Strong SQL and NoSQL skills with solid financial data modeling, consistency, and reconciliation
• •Proven integrations with card networks, banks, APMs, and real-time payment rails
• •Solid grounding in security and compliance including PCI DSS, encryption and KMS, privacy, and KYC and AML
• •Significant experience with AWS, Azure, or GCP including multi-region, multi-tenant, and cost efficiency
• •Familiarity with DevOps and SRE practices and tools including CI/CD, IaC, observability, incident response, and SLOs
• •Advanced use of AI tooling for coding and problem solving to achieve significant velocity
• •Excellent problem-solving, communication, and cross-team leadership skills

Benefits

• •Term Life Insurance and comprehensive Medical Insurance
• •GrabFlex customizable benefits package
• •Parental and Birthday leave
• •Love-all-Serve-all volunteering leave
• •Confidential Grabber Assistance Programme
• •FlexWork arrangements including differentiated hours