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Jamalullail Baharun

@jamalullail

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Lead Android Engineer skilled in Kotlin, Java, clean architecture & performance.

Indonesia

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What I'm looking for

I seek roles where I can lead mobile architecture and teams, solve reliability challenges, and drive measurable business impact in mission-critical environments.

Lead Engineer

Experience

Work history, roles, and key accomplishments

Current

Lead Engineer

Current

TabSquare.AI

Aug 2022 - Present (3 years 7 months)

Led the Android team, serving over 600 merchants globally with highly configurable solutions. Discussed and accommodated feedback from PM, designer, QA, and team members to achieve optimal solutions.

Kotlin Java Android Development Team Leadership Agile Methodologies Product Management Quality Assurance Cross functional Communication Cross Functional Communication

Lead Android Engineer

TabSquare.AI

Aug 2023 - Dec 2025 (2 years 4 months)

Redesigned printing system reducing hardware cost per outlet by 87% and lowered order delay rates from 5% to 0.001% across global F&B deployments while optimising print performance to under 5s and improving observability.

Kotlin Jetpack Compose Datadog Grafana Coroutines

Senior Android Developer

TabSquare.AI

Dec 2022 - Present (3 years 3 months)

Worked on Tabsquare Console, contributing to the development and enhancement of the platform. Collaborated with various departments to unblock issues and maximize product potential.

Android Development Kotlin Java Mobile Solutions UI UX Design Debugging Performance Optimization Scalable Architecture

Android Developer

TabSquare.AI

Dec 2019 - Present (6 years 3 months)

Developed features for the Self Ordering Android Kiosk, including food court and e-menu functionalities. Contributed to building scalable and maintainable mobile solutions.

Android Development Mobile Application Development UI UX Design Software Testing Bug Fixing Feature Development Kotlin Java Bug fixing

Android Developer

Giladiskon

Apr 2019 - Present (6 years 11 months)

Worked on the Giladiskon App as an Android developer, contributing to Indonesia's largest deals platform. Focused on delivering exclusive promotions for paying members.

Android Development Mobile Application Development UI UX Design Software Development API Integration Version Control Agile Development

Android Developer

Fundtastic

Apr 2018 - Present (7 years 11 months)

Developed both the Fundtastic Client App and the Fundtastic CFP® App as an Android developer. Contributed to a leading wealth platform providing financial planning strategies.

Android Development Mobile Application Development Financial Technology UI UX Design Software Development Life Cycle API Integration Database Management Software Development Lifecycle

Android Developer

PT. Treemas Solusi Utama

Sep 2016 - Present (9 years 6 months)

Joined as an Android Programmer in the product development department, responsible for delivering and maintaining a mobile application for dynamic surveys. Involved in designing application flow, UI, coding, testing, and bug fixing.