Lead Mobile Engineer, Flutter – Merchant Experience

The Grab; Jakarta Pusat; On-site; IDR 360,000,000 - 600,000,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex benefits

Parental and Birthday leave

LASA volunteering leave

Grabber Assistance Programme

FlexWork differentiated hours

Job summary

Grab is seeking a Lead Software Engineer, Mobile (Flutter) to own the merchant app delivery. You will work on feature development, engineering optimization, and end-to-end ownership to scale tools for merchants.

This onsite role is based in Jakarta and reports to the Mobile Engineering Manager. You will lead design and implementation, mentor teammates, and drive high-quality code through robust testing and collaboration with QA.

Qualifications

• Proven mobile app development with Flutter & Dart.
• Experience structuring code with MVVM or similar patterns.
• Strong focus on performance, battery, and storage optimisation.

Responsibilities

• Develop and enhance merchant app features to improve workflows and UX.
• Design scalable solutions using best practices (dependency injection, MVVM).
• Analyse and optimise app performance (response time, battery, storage).
• Write robust unit and integration tests; collaborate with QA during releases.
• Maintain features, fix bugs, and ensure long-term reliability and performance.
• Participate in on-call rotations for critical mobile issues.

Skills

Flutter & Dart

MVVM / State management

Performance optimization

Testing & QA collaboration

End-to-end ownership

Mentoring teammates

Job description

Grab is seeking a Lead Software Engineer, Mobile (Flutter) to own the merchant app delivery. You will work on feature development, engineering optimization, and end-to-end ownership to scale tools for merchants.

This onsite role is based in Jakarta and reports to the Mobile Engineering Manager. You will lead design and implementation, mentor teammates, and drive high-quality code through robust testing and collaboration with QA.