Ujang Wahyu
Depok
Summary
I am a mobile developer with extensive experience in building mobile banking applications using native technologies. My focus has consistently been on delivering high-performance apps that are maintainable, scalable, and optimized for minimal bugs. Over the years, I have developed a strong foundation in native mobile development, ensuring that the applications I build are not only efficient but also easy to maintain and scale as business needs evolve.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Sr Android Developer | DevX
PT Accord Innovation
DKI Jakarta
05.2024 - Current
- Laid the foundation and developed a proper, scalable code base for Dbank Pro2 by Danamon.
- Provided coaching to the team on standardizing the use of Clean Architecture & Jetpack Compose.
- Created documentation on architecture guidelines, code convention, and common classes to streamline development and reduce boilerplate code.
- Designed modules, implemented Clean Architecture, and standardized Jetpack Compose usage.
- Conducted code reviews for all team members' Pull Requests to ensure code quality.
- Researched and identified more efficient technologies to improve the development process.
- Designed and built the code base for a server-driven UI architecture.
- Created reusable components based on design tokens provided by the UI/UX team, making them easily accessible for developers.
IT Android Developer -Mobile Banking
CIMB Niaga
Bintaro
06.2021 - 05.2024
- Remade the New OCTO Mobile application, previously built using the Kony framework, into Android native using Kotlin.
- Led the Android development team from the vendor within squads 5 and 6, focusing on modules such as Octo Pay, All Bills & Top-up (Ewallet, Mobile Credit, Credit Card, and more), Travel, Insurance, Scheduler, Poin Xtra, CIMB Preferred, Favorites, Gamification, and more.
- Estimated development timelines for features assigned to the team.
- Created internal testing documentation and system design.
- Monitored and analyzed production issues using Crashlytics and performed bug fixes related to Android issues.
- Collaborated with cross-functional teams, including Backend (for contract data and response discussions), UI/UX (for design), and Product Owners (for business flow discussions).
- Established Android technology standards within OCTO Mobile, including architecture, libraries, extensions, and UI.
- Revamped the architecture from the previous VIPER and single-module approach to Clean Architecture with MVVM and modularization approach.
- Managed the Google Play Console for monitoring and uploading APKs.
Android Developer
PT Reinovasi
Depok
09.2019 - 06.2021
- Create an Android architecture roadmap and R&D clean architectures + modularization for standardization within the company
- Develop the Mobile Pertamina application (My Attendance, My Personal, and My Benefits) using native android (kotlin)
- Bug fixing for the Mobile Pertamina and Pertamina MS2 Mobile App using android kotlin
- Weekly meetings with Pertamina clients to discuss the progress of feature development
- Develop the P-Marketplace application (Login, Home Screen, Cart, Checkout, Payment, Settings, Profile)
- Develop the Rekomen App for internal project management tools within the company (Login, Home, Log Work, Add Task, Profile, Settings, Update Task, etc)
- Using native android (kotlin)
Android Freelancer
Jaya Gupta
Bali
08.2019 - 11.2019
- Develop the Halo Guru App for consultation with teacher
- Weekly meetings with clients to discuss the progress of feature development
- Techstack using Kotlin, MVVM, RxJava, Firebase, Socket.io, Clean Architectures, RoomDb, Work Manager, Hilt
Android Freelancer
PT Kharisma Technology
Bandung
01.2018 - 11.2019
- Develop the Al-Irsyad Edu
- Bug fixing for the Journal Academy
- Weekly meetings with clients to discuss the progress of feature development
- Support deploy to Google Play
- Techstack using Kotlin, Clean Architectures, Mockito, Flow, Firebase, Room, Kotlin DSL, Hilt
Android Freelancer
Siandalan
Jakarta
01.2019 - 07.2019
- Develop Siandalan app for monitoring approval document
- Daily meetings with clients to discuss the progress of feature development
Android Developer Intern
PT. Gamatechno Indonesia
Yogyakarta
06.2018 - 09.2018
- Building the mCity Indonesia application to introduce tourism, culture, and local micro, small, and medium enterprises (UMKM) in Indonesia
Education
Informatics Engineering -
Bandung State Polytechnic
Bandung08.2019
Skills
- Mobile Development Java Kotlin, Flutter
- Agile Development Methodologies
- Clean Architectures
- Git
- Reactive Programming
- Jetpack Compose
- Firebase (Crashlytics, Remote Config, FCM)
- Dependency Injection
- Code Review
- CI/CD
- Modularization
- Server Driven UI
Certification
- Participant Indonesia Android Kejar Batch 3 - Google Developer
- Facilitator Indonesia Android Kejar Batch 3 - Google Developer
- Memulai Pemrograman Dengan Kotlin - Dicoding
- Belajar Android Jetpack Pro Dicoding
- Menjadi Android Developer Expert - Dicoding
Projects
New OCTO Mobile Mobile Pertamina MS2 Pertamina P-Marketplace Rekomen Halo Guru Siandalan App Al-Irsyad Journal Academy
Technologyandskills
- Android SDK
- Java
- Kotlin
- JIRA
- Clean Architectures
- MVVM
- MVP
- VIPER
- Retrofit2 (Rest API)
- Git
- RxJava
- Coroutines
- ROOM
- Android Jetpack
- Firebase Crashlytics
- Dagger Hilt
- Koin
- Unit Test
- CI/CD
- View Binding
- Kotlin DSL
- Modularization
- Dynamic Module
- MySql
- Flutter
- Dart
- API Google Maps
Timeline
Sr Android Developer | DevX
PT Accord Innovation
05.2024 - Current
IT Android Developer -Mobile Banking
CIMB Niaga
06.2021 - 05.2024
Android Developer
PT Reinovasi
09.2019 - 06.2021
Android Freelancer
Jaya Gupta
08.2019 - 11.2019
Android Freelancer
Siandalan
01.2019 - 07.2019
Android Developer Intern
PT. Gamatechno Indonesia
06.2018 - 09.2018
Android Freelancer
PT Kharisma Technology
01.2018 - 11.2019
- Participant Indonesia Android Kejar Batch 3 - Google Developer
- Facilitator Indonesia Android Kejar Batch 3 - Google Developer
- Memulai Pemrograman Dengan Kotlin - Dicoding
- Belajar Android Jetpack Pro Dicoding
- Menjadi Android Developer Expert - Dicoding
Informatics Engineering -
Bandung State Polytechnic
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