
Haerul Muttaqin
Software Engineer
I'm a software engineer based in Jakarta, driven by a passion for building elegant and user-centric applications. My journey into technology began with a curiosity for how things work, which has since blossomed into a career focused on solving complex problems with clean, efficient code.
Currently, my main focus is on Android development, where I enjoy leveraging modern technologies to create seamless mobile experiences.
By day, I'm an Android Developer at my current office, contributing to exciting projects. By night, I dive into my own personal projects, constantly exploring new tools and technologies to sharpen my skills and enjoyed bringing my own ideas to life through code.
Work Experience

Senior Android Developer
Jakarta, ID
May 2023 — Present
Collaborated with a cross-functional team to develop and maintain the "Portal Sekolah" Android application, utilizing Kotlin, Jetpack Compose, and modern architectural patterns. Responsible for feature implementation, bug fixes, and performance optimization.

Full Stack Developer
Bekasi, West Java - ID
Apr 2022 — May 2023
As a Lead Full Stack Developer, I led a team of three in architecting and developing a comprehensive ecosystem from the ground up. My responsibilities spanned the entire project lifecycle, including initial system design, development of both web and Android applications, and pioneering an IoT solution with seamless sensor integration.

Android Developer
Jakarta, ID
Dec 2018 — Apr 2022
Functioned a key role in a cross-functional team, collaborate with designers and backend engineers to develop, maintain, and enhance a suite of Android applications. Spearheaded the initiative to migrate the existing codebase from Java to Kotlin, significantly improving code quality and developer productivity. Introduced and implemented modern architectural design patterns to ensure scalability and maintainability across projects.
Technical Skills
Education
Kotlin Android Developer Experts
Dicoding Academy
2018 — 2018
Bachelor's Degree, Informatics Engineering
Universitas Pelita Bangsa
2014 — 2018