About me

Creative and detail-oriented developer with a strong passion for building intuitive, high-performance applications. I specialize in Android development with a focus on clean architecture, modern UI/UX, and scalable solutions.

This portfolio showcases a collection of my personal and professional projects, highlighting my skills in Kotlin, Jetpack Compose, Clean Architecture, and cross-platform development.

What I'm Doing

  • Android Icon

    Android App Development

    Crafting native Android applications using Kotlin and modern tools like Jetpack Compose, MVVM, and Hilt to deliver smooth, user-centric experiences.

  • Flutter Icon

    Flutter Cross-Platform Apps

    Building high-performance cross-platform mobile apps with Flutter and Dart — ensuring consistency across Android and iOS devices.

  • UI/UX Icon

    UI/UX Design for Mobile

    Designing intuitive, clean, and visually appealing mobile interfaces using Material Design principles and responsive layouts.

  • Firebase Icon

    Firebase & Backend Integration

    Integrating Firebase services like Firestore, Authentication, FCM, and Cloud Functions to provide robust and scalable backends.

  • Optimization Icon

    App Performance Optimization

    Improving performance through code optimization, memory leak fixes, async processing, and startup time reduction.

  • Deployment Icon

    Play Store Deployment & Maintenance

    Handling app publishing, versioning, crash monitoring, and post-launch updates to ensure long-term success in the Play Store.

    • Daniel lewis
    quote icon

    Daniel lewis

    Nadeem was hired to create a corporate identity. We were very pleased with the work done. She has a lot of experience and is very concerned about the needs of client.

    Resume

    Experience

    1. Android Developer — Mobify

      09/2024 — Present

      Contributed as an Android Developer specializing in Kotlin-based app development. Focused on building and maintaining photography-related applications including FrameMe and a Collage Maker. Developed dynamic image editing features, custom view rendering, transition animations, and gallery integrations. Ensured seamless user experience by integrating RESTful APIs, improving image handling performance, and managing front-end/backend synchronization. Also worked on app security enhancements and memory-efficient background services.

    2. Android Developer — ShareHands

      08/2023 — 09/2024

      Designed and developed Android applications including Screen Lock, AR Draw, Volume Booster, and an iOS-style Assistive Touch for Android. Gained hands-on experience with advanced UI/UX design, background services, gesture recognition, and hardware integration. Overcame challenges such as optimizing battery usage for background processes, handling device compatibility issues, and ensuring smooth performance across various Android versions.

    3. Android Developer — Isoftic-IT-Solution

      04/2021 — 07/2023

      Started as an intern and quickly transitioned into a full-time Android Developer. During this period, I worked extensively on a range of utility-based mobile applications, such as OCR Image to Text converters, Media Player apps, Prayer Time calculators, and language Translators.

      Gained hands-on experience in the complete app development lifecycle — from UI design and API integration to testing and publishing. Overcame real-world challenges like handling inconsistent data formats, optimizing app performance, and implementing support for multiple devices and screen sizes.

      Continuously improved my problem-solving skills while learning best practices in Kotlin, Java, XML layouts, Room DB, and Android Jetpack components. Collaborated with senior developers to understand project architecture and adopted clean coding principles and modular design.

    Education

    1. BS Computer Science

      2019 — 2023

      Completed Bachelor's degree specializing in software development, database systems, and web technologies.

    My Skills

    Android
    Kotlin
    Java
    iOS Development
    Flutter
    Dart
    GraphQL
    Mobile App Development
    Android App Development
    iOS
    Hybrid App Development
    FinTech
    Firebase
    SQLite
    REST APIs
    Google Maps
    Google Maps API
    In-App Purchases
    Camera
    Photography
    Git/GitHub

    Testimonials

    What my clients say about working with me on Fiverr & Upwork

    • John Davidson

      John Davidson

      Fiverr United States
      5.0

      "Exceptional work on my Android app project! Rehan delivered beyond expectations with clean code, modern UI design, and excellent performance optimization. Communication was outstanding throughout."

      Android Development
    • Xan Varmuza, Limber Sport

      Xan Varmuza, Limber Sport

      Upwork United Kingdom
      5.0

      "Rehan was hired to fix bugs on our Android mobile application and update legacy code. He was very communicative, a great team player, and had excellent attention to detail. Speedy delivery with top-quality code. Highly recommended!"

      Android App Development
    • Alex Rodriguez

      Alex Rodriguez

      Fiverr Spain
      5.0

      "Brilliant work on our mobile app UI/UX! Rehan created a beautiful, intuitive interface using Jetpack Compose. The app looks modern and performs perfectly. Highly recommended!"

      UI/UX Design
    • Lisa Wang

      Lisa Wang

      Upwork Australia
      5.0

      "Swiftly fixed my Gradle issue in Android Studio and resolved dependencies. Professional, fast, and highly skilled. Will definitely work with him again!"

      Android Build & Debug
    • James Carter

      James Carter

      Upwork United States
      5.0

      "Excellent developer. Quick updates, clear communication, and a problem-solving mindset. Delivered ahead of schedule and the app works flawlessly. Would hire again without hesitation."

      Kotlin Android Development

    Contact

    Contact Form