Senior Software Engineer

About the role

Grab is seeking a Senior Software Engineer to join its growing engineering team in Singapore. You will own the design, development, and maintenance of critical systems that power GrabX, the internal experimentation platform serving millions of users across Southeast Asia.

Key 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 translate business needs into technical solutions.
• Improve system performance, reliability, observability, and overall engineering quality through optimisation and refactoring.
• Contribute to technical design, architecture reviews, 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 inform technical decisions and improve customer experience.
• Participate in on‑call rotations and own incident response.
• Stay current with industry practices and bring new ideas to the team.

Required profile

• 5+ years of professional experience building production systems at scale.
• Strong fundamentals in software engineering, system design, architecture, and scalability.
• Experience building and maintaining complex distributed systems.
• Knowledge of performance optimisation, reliability, testing and debugging best practices.
• Ability to solve ambiguous problems with pragmatic, high‑quality solutions.
• Strong collaboration skills in cross‑functional teams.
• Product mindset focused on user experience and customer needs.
• Experience mentoring junior engineers.

Required skills

• Proficiency in modern languages such as Go, Sparks, or Java.
• Designing and integrating APIs and backend services.
• Secure coding and security‑first system design.
• Experimentation, instrumentation, and data‑informed development.
• Modern development tools, CI/CD pipelines, and cloud platforms (AWS, GCP, Azure).
• Database design and optimisation, relational databases (MySQL, PostgreSQL, Oracle).
• Microservices architecture and containerisation.

What we offer

• Term Life Insurance and comprehensive Medical Insurance.
• GrabFlex – a flexible benefits package tailored to individual needs.
• Parental, Birthday, and LASA volunteering leave.
• Grabber Assistance Programme for personal challenges.
• FlexWork arrangements such as differentiated working hours.