Senior Software Engineer, Backend

Get to Know the Team

On Grab's Identity (IAM) team you will build class leading registration, authentication, and authorization systems for all user participants in the Grab ecosystem tailored for SEA markets. This includes Grab services and external partner scenarios. Your mission will be to deliver authentication mechanisms that provide proof of user identity while minimizing user friction and accommodating mobile, web, and voice environments. We take pride in building distributed systems that have a impact on the lives of millions of users in our endeavor to out-serve the underserved population. Terms such as Idempotency, CAP theorem, and Distributed Consensus are not just theoretical terms for us but have a bearing on the systems we build.

Get to Know the Role

As a leader in an exciting and dynamic industry that is evolving daily, we are looking for experienced Engineers to join our team. As part of this role, you will build large-scale systems that can handle 100K+ RPS, with 4 nines of availability SLAs. You will work on world-class authentication and authorization systems that are regionally compliant, and follow stringent security, FinTech, and other regulatory standards.

This role is onsite based in our Petaling Jaya, Malaysia office and you will be reporting to the Senior Engineering Manager

The Critical Tasks You Will Perform

• You will design and develop scalable backend services and APIs that support multiple client applications, ensuring and reliability in a distributed systems environment
• You will lead the full lifecycle of features from requirements gathering through production deployment, collaborating with product, design, and business teams to translate requirements into technical solutions
• You will write clean, maintainable, and well-tested code that serves as a reference for the team; establish and uphold coding best practices
• You will lead technical discussions and architecture reviews within the engineering team, providing thoughtful feedback and driving decisions that improve system design
• You will mentor and support junior engineers through code reviews, technical guidance, and knowledge sharing, fostering a culture of learning
• You will ensure system robustness by implementing comprehensive monitoring, logging, and observability practices; identify and address performance bottlenecks
• You will lead incident response and troubleshooting efforts during on-call rotations, demonstrating resilience and decisiveness in resolving production issues
• You will collaborate with QA teams to validate product requirements, ensure test coverage, and maintain deployment stability
• You will continuously improve the codebase by identifying technical debt, proposing engineering solutions, and implementing optimizations that enhance system efficiency
• You will stay informed about relevant technology trends and emerging best practices, bringing ideas to the team

Function: Engineering
Experience Level: Mid-Senior Level