Senior Software Engineer, Scalable Platform & Experiments

Grab; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex benefits package

Parental leave

Birthday leave

LASA volunteering leave

Grabber Assistance Programme

FlexWork arrangements

Job summary

GrabX in Singapore is seeking a Senior Software Engineer to own building and maintaining critical systems for internal experimentation that power millions of users across the region. You will design scalable services, mentor juniors, and collaborate with product and design teams to deliver high-impact solutions while advancing our engineering standards and reliability.

You will drive technical decisions with data and experimentation, and contribute to incident response while staying current with

Qualifications

• 5+ years building production systems at scale.
• Strong fundamentals in system design and architecture.
• Proficiency in Go, Sparks, or Java and related frameworks.
• Experience with distributed systems and performance optimization.
• Experience with APIs and backend services.
• Security-first mindset and secure coding practices.

Responsibilities

• Design and build scalable, maintainable solutions that support platform growth and reliability.
• Deliver well-tested code and uphold engineering standards across the team.
• Collaborate with product, design, and backend teams to turn business needs into solutions.
• Improve system performance, reliability, observability, and engineering quality through optimization and refactoring.
• Contribute to technical design, architecture, and code reviews.
• Troubleshoot production issues and implement measures to strengthen system reliability.
• Mentor junior engineers through guidance and knowledge sharing.
• Use data and experimentation to improve technical decisions, customer experience, and business outcomes.
• Participate in on-call rotations and own incident response and resolution.
• Stay current with industry practices and technologies, bringing ideas to the team.

Skills

5+ years experience

Software engineering fundamentals

System design

Go/ Sparks/ Java

Distributed systems

APIs & backend services

Security-first design

Cross-functional collaboration

Data-informed development

CI/CD & cloud

Tools

AWS

GCP

Azure

CI/CD pipelines

Distributed tracing

Job description

GrabX in Singapore is seeking a Senior Software Engineer to own building and maintaining critical systems for internal experimentation that power millions of users across the region. You will design scalable services, mentor juniors, and collaborate with product and design teams to deliver high-impact solutions while advancing our engineering standards and reliability.

You will drive technical decisions with data and experimentation, and contribute to incident response while staying current with