Abdullah Zowad Khan
Software Developer, Gamer, Geek.A main course of android, with added python. Top that with C/C++, a bit of C#, then some NodeJS, and there you have it!
Currently working as Senior Software Developer at Brain Station 23.
Professional Experiences
- Senior Software Engineer I → II @ Brain Station 23 (2023–Present)
- Maintained and developed features for MyBL (My Banglalink) (10M+ users) and RYZE Bangladesh (1M+ users) Android apps.
- Promoted from SSE I to SSE II in mid-2025.
- Focused on Android, Java, Kotlin, Coroutines, Flow, RxJava.
- Improved app performance and user experience for large userbases. - Lead Software Developer @ Red.Digital Ltd (2022-2023)
- Maintained and developed My Robi and My Airtel Android apps (10M+ users).
- Led feature development, bug fixes, and code reviews.
- Used Android, Java, Kotlin, Coroutines, Flow. - Android Developer @ Technext Ltd (2021-2022)
- Developed Starfish VPN Android app from scratch.
- Implemented secure networking and smooth user experience.
- Used Android, Java, Kotlin, NestJS, Python, Flutter. - Software Developer @ Admission Assistant Ltd (2018-2021)
- Founding developer for Admission Assistant Android app (100K+ users).
- Responsible for full app lifecycle: design, development, maintenance.
- Used Android, NodeJS. - Junior Embedded Systems Engineer @ Rumy Technologies Ltd (2017-2019)
- Developed and maintained biometric attendance device software.
- Built and published Android apps for device management.
- Used Android, C++, C#, ESP, Python.
Side Projects
- Corona Info Android App
An Android application to collect responses from users based on questionnaire and contribute to the COVID-19 pandemic response. (Approved by the DGHS)
News Coverage - Hotel Chain
Hotel Chain was a platform that allowed users to book rooms at their favorite hotels in Bangladesh. It featured online booking and available rooms with details of the rooms and hotels. I worked on it as a freelance android developer.
Play Store Link: (Hotel Chain)
Skills & Expertise
- Programming Languages: Java, Kotlin, C/C++, Python, C#, JavaScript, TypeScript, Dart
- Android: Native, Coroutines, Flow, Koin, JetPack Compose, Material Design, Firebase, Room, Google Maps, Mapbox, MQTT, Dagger, Retrofit, AdMob
- Cross-Platform: React Native, Flutter (GetX, Drift, Riverpod)
- Web & Backend: React, NodeJS, NestJS, Flask, Sequelize, TypeORM, axios, Hooks
- Embedded Systems: Arduino, ESP8266, ESP32, PIC
Publications
- Graphene-Based Circular Patch Terahertz Antenna Using Novel Substrate Materials (ICIEV-2017)
[https://doi.org/10.1109/ICCITECHN.2018.8631954] - A Portable and Less Time-Consuming Wireless Biometric Attendance System for Academic Purpose Using NodeMCU Microcontroller (ICCIT-2018)
[https://doi.org/10.1109/ICIEV.2017.8338605]