Rejowan, K M Rejowan Ahmmed
Senior Software Engineer & Android Lead, building apps that serve 10M+ users worldwide.
The story behind the code
Self-taught, every line of it. No CS degree, no bootcamp. From my first web page in 2013, before I even knew it was HTML, to leading Android teams today, I learned by reading, building and breaking things.
- 2013First web page, before I knew it was HTML
- 2015Learned C, my first real language
- 2018First Android work, Regular Apps
- 2020First full-time Android role
- 2021Switched to Kotlin for good
- 2025Leading the Android team
- role
- Android Lead
- at
- Right Tracks IT
- building
- Live streaming
- exploring
- Compose Multiplatform
- works
- Remote · GMT+6
updated Nov 2026
- Kotlin
- Coroutines + Flow
- Compose
- KMP
- MVVM / MVI
- Clean
- Modular
- Hilt
- Room
- Retrofit
- Ktor
- DataStore
- Unit + UI tests
- CI
- Play releases
- Java
- Flutter
- Python
- JS
How I work
Different project, same process. Four steps I run every time, shipped on repeat.
- Clean handoffsCode the next developer understands in minutes.
- Tested releasesEvery change checked before it reaches users.
- No surprisesClear scope, honest timelines, regular updates.
- Understand the problemBefore any code, I dig into what we're actually solving.done
- Architect for peopleStructure it so the next dev gets it in minutes, not hours.done
- Ship fastGet it in front of users. Real feedback beats assumptions.done
- Iterate on what mattersPolish what actually matters, based on what users need.done
What I've built
PDF Reader Pro
A feature-rich, privacy-focused PDF app built with Jetpack Compose and Material 3. View, edit, and manage PDFs with 12 powerful tools including merge, split, compress, rotate, lock/unlock, and more.
- github stars
- ★ 193
- latest
- v2.6.0
- app
- Android
Where I've shipped
Since 2018, across 6 roles, growing from Android Developer to Android Lead.
Right Tracks ITcurrent
2025 – now · DhakaSenior Software Engineer · Android Lead
Leading a team of 5 on a large-scale live streaming app: MVVM, AWS and Agora real-time video.
NexKraft
2024 – 2025 · DhakaSoftware Engineer (Android)
Designed and developed a Mechanic Dashboard app using Kotlin, MVVM, Room DB, and RESTful APIs for task assignment, time tracking, and service/parts management.
Tranquilly Coding
2023 – 2024 · RemoteContent Creator & Educator
Created educational video content on Java, Kotlin, and Android Development, including topics like Jetpack Compose and modern Android practices.
Instaal
2021 – 2023 · Remote (Estonia)Android Developer
Led a team of 4, providing technical guidance, code reviews, and architectural direction across multiple Android projects.
Rareseen
2020 – 2021 · Remote (Malaysia)Android Developer
Implemented features including categories, image-based suggestions, in-app purchases, and authentication via backend APIs.
Regular Apps
2018 – 2020 · RemoteAndroid Developer
Developed and maintained 50+ Android apps across tools, utilities, and learning apps, reaching 1M+ users.
Let's connect
- email (needs JavaScript)
- linkedin.com/in/ahmmedrejowan
- based
- Dhaka, Bangladesh
- open to
- full-time, contract, collaboration