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Abdul Razak

@abdulrazak3

Full Stack Web Developer and Android Developer building offline-first apps, including a Kotlin attendance system with GPS and QR fraud prevention.

Indonesia

Message

At RSUD Bintan, I direct hospital IT infrastructure, administer SIMRS and electronic medical record workflows, and maintain systems supporting clinical operations. I also troubleshoot medical computer peripherals and laboratory interfaces.

In freelance projects, I develop full-stack web platforms and native Android apps. My portfolio includes an offline-first attendance system with QR scanning and GPS fraud prevention, plus web dashboards, logistics tracking, and digital signage projects.

Experience

Work history, roles, and key accomplishments

Current

Freelance Android Developer

Current

Independent

Jan 2024 - Present (2 years 9 months)

Architecting native Android applications using Kotlin, Jetpack Compose, MVVM Clean Architecture, and Coroutines. Designing offline-first caching architectures with Room Database and implementing CameraX and GPS geofencing.

Kotlin Jetpack Compose MVVM Clean Architecture Coroutines Room Database CameraX Geofencing REST APIs

Current

IT Support & Infrastructure Specialist

Current

RSUD Bintan

Jan 2021 - Present (5 years 9 months)

Directing hospital-wide IT infrastructure, network architecture, and 24/7 server administration. Administering SIMRS health database systems and troubleshooting medical computer peripherals.

IT Infrastructure Network Administration SIMRS Server Administration Troubleshooting Medical Devices Linux Windows Server

Current

Freelance Full Stack Web Developer

Current

Independent

Jan 2017 - Present (9 years 9 months)

Delivering bespoke full-stack web platforms, responsive corporate portals, landing pages, and administrative dashboards. Implementing React/Next.js server-side rendering, REST APIs, and PostgreSQL/MySQL schema modeling.

React Next.js TypeScript JavaScript NodeJS REST APIs PostgreSQL MySQL Tailwind Zustand Redux WebSockets

Programmer & Systems Developer

Biro Kesra Sekretariat Daerah Provinsi Kepulauan Riau

Jan 2021 - Dec 2025 (4 years 11 months)

Engineered regional governmental public welfare and grant management web systems, digitizing bureaucratic documentation flows. Maintained institutional reporting databases and delivered stable cross-agency management dashboards.

Web Development Database Management Dashboard Development Government Systems

Education

Degrees, certifications, and relevant coursework

Sekolah Tinggi Teknologi Indonesia (STTI Tanjungpinang)

Bachelor of Engineering, Informatics

Pursued a Bachelor of Engineering in Informatics with specialization in Software Engineering, Computer Networks, Applied Algorithms, and Enterprise Information Systems Modeling.