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I'm Moin Omer Habib
a Senior Android Engineer
8+ Years of Experience in EdTech & FinTech

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About Me.

I'm a Senior Android Developer with over 8 years of experience building scalable, performant, and user-centric apps in EdTech, FinTech, and survey platforms. I specialize in Kotlin, Jetpack Compose, and Clean Architecture, with a strong focus on modularization, CI/CD, and clean code principles.

I've contributed to global-impact apps and platforms used by millions of users, collaborating with international teams and companies such as edX, Open edX, 2U.com, and the World Bank. I thrive in remote-first, cross-functional teams and am passionate about mentoring engineers and driving critical technical decisions.

Key Highlights

  • Maintained 99.2%+ crash-free rate
  • Led code reviews to ensure quality and team standards
  • Led CI/CD adoption, reducing release friction by 40%
  • Migrated apps from Java to Kotlin & XML to Jetpack Compose
  • Mentored developers and led Compose migration initiatives
  • Delivered critical features for global edTech & finTech platforms

Open Source Contributions

Engineering Practices

Process & Quality

  • Agile Methodologies Proficient in Scrum and Kanban for iterative and collaborative development.
  • Clean Code & Performance Committed to Clean Code principles and performance optimization for robust applications.
  • Scalable Architecture A strong focus on creating testable, scalable, and maintainable app architectures.

Collaboration & Delivery

  • Code Reviews & Mentorship Lead constructive pull request reviews and mentor junior developers to elevate team skills.
  • Team Collaboration Skilled in project estimation, cross-functional team collaboration, and communication.
  • Continuous Learning Actively explore emerging Android technologies to drive innovation and modern practices.

Core Skills

  • 95%
    Kotlin & Jetpack Compose
  • 90%
    MVVM, Clean Architecture & SOLID Principles
  • 90%
    Unit & UI Testing (JUnit, Espresso, MockK)
  • 85%
    Dependency Injection (Hilt, Dagger 2, Koin)
  • 85%
    CI/CD with GitHub Actions & Firebase

Full Tech Stack

  • Languages

    • Kotlin
    • Java
    • Swift
    • Python
    • SQL, XML, JSON

  • Architecture & Patterns

    • MVVM & MVI
    • Clean Architecture
    • Modularization
    • Repository Pattern
    • SOLID Principles

  • UI & Frameworks

    • Jetpack Compose
    • Material Design 3
    • XML Layouts
    • ConstraintLayout
    • Custom Views

  • Async & Testing

    • Coroutines, Flow, StateFlow
    • RxJava & LiveData
    • JUnit & Espresso
    • MockK & Mockito
    • Screenshot Testing

  • Tools & DevOps

    • GitHub Actions, Bitrise, Fastlane
    • Firebase Suite (Analytics, Crashlytics)
    • Git, GitHub, GitLab
    • Jira & Confluence
    • Postman & Figma

  • Libraries & APIs

    • Hilt & Dagger 2
    • Retrofit & OkHttp
    • Room & DataStore
    • GraphQL & WebSockets
    • Google Maps & Payment APIs

Featured Projects.

edX App Banner

edX Android App (Open edX)

edTech

Built and maintained the mobile learning experience for one of the world’s largest online learning platforms. Migrated legacy screens to Jetpack Compose and modularized architecture, improved code with MVVM, and integrated video playback analytics.

Cheetay App Banner

Cheetay Android App

Food Delivery, Logistics

Modernized and stabilized a high-traffic delivery platform. Led the transition to Kotlin and Clean Architecture modules, reducing the crash rate from ~6% to under 0.8%. Enhanced cart, checkout workflows, and real-time rider tracking.

CERP App Banner

CERP Survey App

Data Collection, Research

Built a custom Android app for field data collection. Designed for offline-first usage with an encrypted Room database. Integrated BLE device support for biometric data and handled complex UI flows with dynamic form generation.

Sentimeter App Banner

Sentimeter Feedback Kiosk

Retail, Customer Experience

Created a kiosk-mode feedback app locked to a single-app mode with remote config support. Enabled real-time survey updates, Firebase remote logging, and robust offline operation with delayed sync.

8 +
Years of Experience

Building scalable, performant, and user-centric Android applications.

1M +
Users Impacted

Contributed to global-impact apps used by millions of users worldwide.

99.2 %+
Crash-Free Rate

Maintaining high stability and performance across multiple production apps.

40 %
Release Friction Reduced

Leading CI/CD adoption to streamline and accelerate app delivery cycles.