Mobile & Backend Developer

PT Mengantar Karya Bangsa

Dec 2023 - Present • Remote, Indonesia

Key Projects & Applications

• Engineered the 'Mengantar' logistics platform, leading its migration from React Native to Flutter for both Android & iOS.
• Developed 'Formulir', a powerful online ordering platform for e-commerce, from the ground up using Flutter.
• Spearheaded backend development and feature enhancement for the 'Formulir' service using Express.js.

Key Achievements

• Architected and optimized the flagship Flutter application to support over 100,000 concurrent users with high performance.
• Led a successful migration from React Native to Flutter, resulting in improved scalability and a unified codebase.
• Automated CI/CD pipelines, slashing deployment times by 50% and increasing development velocity.
• Established and enforced a standardized mobile architecture across all company projects using `gm-cli`, a proprietary scaffolding tool, to ensure adherence to Clean Architecture principles.
• Constructed a high-throughput backend service with Express.js, MongoDB, and Redis to ensure efficient data handling.

Mobile Developer

PT Serasi Autoraya (IBID Balai Lelang Astra)

Feb 2021 – Dec 2023 • Indonesia

Key Projects & Applications

• Led the development and maintenance of the 'IBID Balai Lelang Astra' auction application, built with Kotlin and Jetpack Compose.
• Developed and maintained the 'IBID Inspector' tool, a critical companion app for auction operations.
• Created a 'Simulasi Bidding' web application using Flutter Web to provide a realistic auction simulation experience.

Key Achievements

• Spearheaded a major refactoring from a legacy Java MVP to a modern Kotlin Clean Architecture, improving code quality.
• Established and enforced new coding standards and project templates, standardizing development across the team.
• Successfully scaled and maintained a production application serving over 500,000 monthly active users.
• Achieved a 99.27% bug reduction by implementing rigorous testing protocols and development best practices.
• Pioneered the adoption of Jetpack Compose to create a more modern, responsive, and engaging user interface.

Mobile Developer

PT Aman Informasi

Jun 2019 – Jan 2021 • Indonesia

Key Projects & Applications

• Developed 'Chatme', a secure, real-time chat application for internal corporate communication.

Key Achievements

• Engineered the application from concept to deployment using Flutter and Firebase Realtime Database.
• Significantly improved application performance by optimizing data synchronization and reducing initial load times.
• Implemented Flutter best practices to ensure a scalable and maintainable codebase for future development.

Android Developer

PT Visiary

Jan 2018 – Jan 2019 • Indonesia

Key Projects & Applications

• Co-developed 'Visiary', a video editing and advertising platform.
• Led the development of 'Wakaf Ikhlas', a digital waqf donation app for Bank BJB Syariah.

Key Achievements

• Developed and maintained complex Android applications using both Java and Kotlin.
• Proactively identified and resolved critical bugs, leading to a measurable improvement in application stability.
• Oversaw the end-to-end development of the 'Wakaf Ikhlas' app, including seamless integration with core banking services.
• Managed the successful release of the 'Wakaf Ikhlas' application on the Google Play Store, meeting all compliance requirements.

99 Group

Jul 2024 • Remote, Singapore

Key Projects & Applications

• Led the technology migration of the 'Rumah123 Pro' application from native Kotlin & Swift to a unified Flutter codebase.
• Re-architected and developed the 'SRX Property' application in Flutter, migrating from a legacy React Native implementation.

Key Achievements

• Directed the strategic migration from native Kotlin & Swift to Flutter, boosting development efficiency.
• Implemented a modular Clean Architecture, significantly improving the application's scalability and testability.
• Integrated a sophisticated analytics stack using Netcore, Segment, and Firebase to drive data-informed decisions.
• Key contributor to a high-traffic mobile application serving over 1 million users across Southeast Asia.

PT Kompas Media Nusantara

Aug 2023 - Dec 2023 • Remote, Indonesia

Key Projects & Applications

• Developed a major digital news service application (Kompas.id Harian) catering to over 1 million readers across Indonesia.

Key Achievements

• Architected a modular system that improved code maintainability and allowed for faster feature delivery.
• Leveraged Jetpack Compose to build a modern, intuitive, and highly responsive user interface.

Anakaiti.id

Feb 2023 - Jul 2023 • Remote, Indonesia

Key Projects & Applications

• Built 'Otobagus', a real-time vehicle auction platform, from the ground up using Flutter.

Key Achievements

• Engineered a real-time bidding feature using MQTT protocol for instant, low-latency communication.
• Optimized backend API interactions to reliably handle thousands of concurrent users during peak auction times.

Binar Academy - Subject Matter Expert for Android Development

Jan 2020 – Sep 2023 • Remote, Indonesia

Key Projects & Applications

• Served as the primary Subject Matter Expert, mentoring over 100 students and developing the official Android curriculum.

Key Achievements

• Provided expert mentorship on advanced topics including Kotlin, Jetpack Compose, and Clean Architecture.
• Successfully placed over 20 mentees into technical roles at top tech companies, including Astra, OLX, Kompas, and Ajaib.
• Authored the standardized curriculum and project templates that were adopted academy-wide, improving educational consistency.