Senior Flutter Engineer - Merchant App (Onsite Jakarta)

Grab; Cikoko; On-site; IDR 420,000,000 - 720,000,000; 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 hours

Job summary

Grab's Merchant App Flutter team in Jakarta builds and maintains the core merchant app for businesses using Grab. You will focus on feature development and engineering optimization, taking ownership of end-to-end solutions for merchants.

Reporting to the Software Engineering Manager, you will design scalable solutions, write robust tests, and collaborate across QA and product to deliver high-quality releases for millions of users. This onsite role requires strong Flutter/Dart expertise.

Qualifications

• 5+ years of Flutter/Mobile engineering experience designing, launching, and optimizing mobile applications.
• Fluent with Flutter-specific tools and libraries.
• Structured code using MVVM or reactive state management.
• Experience with performance metrics and optimization (API use, storage, battery).
• Experience writing testable code and end-to-end unit tests.
• Experience owning end-to-end feature delivery.
• Eagerness to stay updated on mobile trends, mentor teammates, and scale impact to millions of users.

Responsibilities

• Develop and enhance app features to improve merchant workflows, ensuring the app is efficient, responsive, and user-friendly.
• Design clear, scalable programming solutions using best practices such as dependency injection or MVVM.
• Analyze and optimize app performance to address issues like response time, battery use, and storage impact.
• Write robust unit tests, integration tests, and collaborate with QA engineers to maintain quality standards during app releases.
• Maintain current features, resolve bugs, and enhance code functionality while ensuring technical consistency and long-term performance goals.
• Serve in the on-call rotation for critical mobile issues, balancing rapid fixes with logical troubleshooting.

Skills

Flutter/Mobile engineering

MVVM architecture

Reactive state management

Performance optimization

Testable code & unit tests

API design

End-to-end feature ownership

Mentoring teammates

Tools

Flutter

Dart

Job description

Grab's Merchant App Flutter team in Jakarta builds and maintains the core merchant app for businesses using Grab. You will focus on feature development and engineering optimization, taking ownership of end-to-end solutions for merchants.

Reporting to the Software Engineering Manager, you will design scalable solutions, write robust tests, and collaborate across QA and product to deliver high-quality releases for millions of users. This onsite role requires strong Flutter/Dart expertise.