MOBILE SOFTWARE ENGINEER DHAKA, BANGLADESH

HELLO, I’M

Md. Hasibun Nayem.

Building mobile experiences that scale.

I’m Md. Hasibun Nayem — a software engineer focused on crafting reliable, thoughtful Android and cross-platform applications.

Explore my work ↓ Get in touch ↗

CURRENT FOCUS BUILDING

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Mobile engineering

Android · Kotlin · Jetpack Compose

KotlinComposeArchitecture

✳ Thoughtful UX

↗ Performance-minded

01 / ENGINEERING

SCROLL TO DISCOVER01 — 05

24M+combined monthly active users

Androidnative mobile development

End-to-endfrom architecture to testing

01 / ABOUT

Engineering with
purpose and precision.

I build mobile products that balance useful features, intuitive experiences, and maintainable engineering.

My work spans Android, Flutter, and iOS, with experience across consumer applications, commerce, ridesharing, media tools, and AI-assisted mobile experiences. I care about performance, clear architecture, localization, and automated testing.

Product-mindedPerformanceMaintainable codeAccessible UX

02 / EXPERIENCE

Where I’ve contributed.

A selection of my professional journey

2025 — PRESENT

Portonics Ltd.

Building and maintaining mobile application experiences as part of the engineering team.

Software engineering · Mobile development

2022 — 2024

E Foundation / Murena

Worked on App Lounge, Mail, and Account Manager.

Mobile development

2021 — 2021

Echologyx Ltd

Developed Digital Shishu Polli and Shopify-based apps.

Flutter · Mobile apps

2018 — 2021

Carbangla

Built ridesharing applications for users, drivers, and partners.

Android · Location services

Remote work

MdAcne

Developed acne detection using OpenCV and Dlib.

Computer vision

2018

Kite Games Studio

Created video and image editing applications.

Media applications

03 / SELECTED WORK

Projects built to make an impact.

Recent work first, followed by selected projects

Robi app home screen showing balance, recharge, internet, talktime and quick recharge features

24M+COMBINED MONTHLY ACTIVE USERS

FEATURED PROJECT · 01ANDROID / TELECOM

Robi–Cirkle Super App

Developed Android features for a dual-brand telecom app serving 24 million combined monthly active users, including revamped home screens, Elite loyalty and point gifting, pack purchases, Robi WiFi plans, and Super QR recharge flows.

KEY ACHIEVEMENTS

Built multi-number recharge and EasyPlan purchase journeys.
Added Google Pay support for pack purchases and gifting.
Improved navigation, Bengali localization, home screen performance, and unit test coverage.

KotlinJetpack ComposeMaterial 3MVVMHiltCoroutinesStateFlowRetrofitNavigationGoogle PayMockito

▶ Robi on Google Play ↗▶ Cirkle on Google Play ↗

App LoungeDiscover apps

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APP DISCOVERY · OPEN SOURCE

02ANDROID

App Lounge

Enabled seamless installation of 100+ apps while maintaining different device states. Integrated Google Play Store APIs with a focus on user experience and automated testing and deployment.

KotlinHiltRoomWorkManagerUnit Test

Watch overview ↗