Principal Software Engineer, FundsCore

About the Company and Role

Grab is Southeast Asia's premier superapp, facilitating everything from meal deliveries to financial services and transportation. Rooted in purpose, technological innovation, and AI, Grab aims to fuel Southeast Asia's growth by empowering individuals economically with values such as heart and humility.

Within Grab Financial Service (GFin), the team is pioneering the future of payments. As Principal Software Engineer for Payments, you will spearhead the end-to-end engineering efforts for all payment mechanisms across the Grab ecosystem, including wallet transactions, online and offline payments, and merchant acquiring solutions.

Key Responsibilities

• Design and deliver highly available, low-latency, and accurate payment systems critical to operations.
• Define core payment platform architecture with clear domain boundaries, stable APIs, event interfaces, and version controls.
• Develop resilient integrations with card networks, banks, alternative payment methods (APMs), and real-time payment rails, ensuring tolerance to outages and changes.
• Promote and ensure principles of reliability, observability, security, compliance, scalability, operability, and cost-effectiveness in collaboration with SRE and Security teams; lead efforts in chaos testing, disaster recovery, and incident management.
• Oversee regional adaptations to accommodate different currencies, local regulations, and payment schemes, managing smooth rollouts and migrations.
• Drive pragmatic, data-informed decisions balancing impact, speed, and maintainability, aligning all stakeholders on trade-offs.
• Lead the creation and review of design documents and architecture proposals; set high standards for coding and testing; elevate service quality.
• Lead by example through prototyping and critical builds, mentor senior staff engineers, and propagate best engineering practices and culture at scale.

Required Qualifications and Skills

• Bachelor’s degree in Computer Science or related field is required; Master’s degree preferred.
• Over 10 years of software engineering experience including at least 5 years in senior or lead roles handling complex systems.
• Advanced expertise with AI tools to enhance coding and problem-solving efficiency.
• Proficiency in Java, Go, or Python with strong emphasis on disciplined coding and testing.
• Deep knowledge of distributed systems and microservices architecture including decomposition, reliability, and scalability.
• Extensive hands-on experience in payments domain covering authorization, capture, settlement, reconciliation, ledger management, payouts, refunds, disputes, and orchestration, ensuring correctness and idempotency.
• Strong skills in SQL and NoSQL databases, financial data modeling, data consistency, and reconciliation.
• Proven experience integrating with card schemes, banks, APMs, and real-time payment rails using established design patterns.
• Solid understanding of security and regulatory compliance such as PCI DSS, encryption/key management, privacy laws, and KYC/AML practices.
• Substantial experience working with cloud platforms like AWS, Azure, or GCP, including multi-region deployment, multi-tenancy, and cost optimization.
• Familiarity with DevOps and SRE practices including CI/CD pipelines, infrastructure as code, observability, incident response, and service level objectives.
• Excellent analytical, communication, and leadership skills to drive projects spanning multiple quarters and teams.

Additional Information and Benefits

• Comprehensive life insurance and medical coverage for employees.
• Flexible benefits selection through GrabFlex to match personal needs and goals.
• Parental and birthday leaves along with paid volunteering programs to support life balance and community engagement.
• Confidential employee assistance program providing guidance through personal challenges.
• Flexible work arrangements including differentiated working hours to support work-life balance.

Diversity and Inclusion Statement

Grab is devoted to cultivating an inclusive and equitable work environment where diverse individuals can excel. The company practices equal employment opportunity, providing fair consideration regardless of nationality, ethnicity, religion, age, gender identity, sexual orientation, family situation, physical or mental abilities, or any other unique attribute.