Hi, I'm Mohammad Ahmadi Sadr

Android Developer | Software Developer

📍 Ottawa, Ontario | 📞 +1 438-454-0470

Android Developer specializing in native Android development using Kotlin, modern architecture patterns, and secure network communication. Experienced in building scalable, maintainable mobile applications with clean architecture, MVVM design patterns, and comprehensive testing. Proficient in Agile development and cross-functional teamwork.

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Experience

Android Developer | Software Developer

2022-07 – 2025-07

Saman Gostar Ghalam, Tehran, Iran (Remote)

Designed and architected a modular Android application using Kotlin, MVVM, Clean Architecture, Repository Pattern, and Dependency Injection (Hilt) to ensure scalability and maintainability.
Developed modern UI components with Jetpack Compose and XML, improving development speed and UI consistency.
Implemented reactive state management using Kotlin Coroutines, Flow, and LiveData for responsive and lifecycle-aware applications.
Built advanced CI/CD pipelines using Jenkins, Gradle, and GitHub Actions, reducing manual release effort and improving deployment reliability.
Integrated Room Database and optimized local data storage performance for offline-first features.
Applied Test-Driven Development (TDD), JUnit, Mockito, and Espresso to increase test coverage and release confidence.

Android Developer | Software Developer

2022-03 – 2022-07

Vesta, Shiraz, Iran

Implemented MVVM architecture with modular structure to improve maintainability and scalability.
Resolved critical production crashes using Firebase Crashlytics, Logcat, and root-cause analysis, improving stability.
Integrated ARCore into a real estate application, enabling interactive property visualization and increasing user engagement.
Built asynchronous features using Kotlin Coroutines for smoother user experience and efficient background processing.
Integrated Room Database for local persistence and improved offline data access.

Android Developer | Software Developer

2020-10 – 2022-03

Amoozban.co, Shiraz, Iran

Developed new learning features using Kotlin, Java, MVVM, and REST APIs.
Optimized media playback by implementing a custom caching layer for ExoPlayer, reducing bandwidth consumption and buffering time.
Integrated speech recognition features to create interactive language-learning experiences.
Used Retrofit, OkHttp, and Coroutines for scalable network communication and background operations.
Integrated Firebase Analytics, Crashlytics, and Cloud Messaging (FCM) to improve engagement and monitor production quality.

Skills & Technologies

Mobile Development

Kotlin Java Flutter Dart Jetpack Compose XML UI Material Design Swift

Android Components & Architecture

Activities & Fragments Services Broadcast Receivers MVVM Architecture Clean Architecture Repository Pattern Modular Architecture Dependency Injection (Hilt)

Async & State Management

Kotlin Coroutines Flow LiveData StateFlow SharedFlow Provider BLoC GetX

Backend & APIs

RESTful APIs GraphQL gRPC OAuth 2.0 JWT Retrofit OkHttp

Databases & Storage

Room Database SQLite Firebase Firestore Realtime Database SharedPreferences DataStore Hive SQL

Cloud, DevOps & Testing

Firebase AWS Amplify Google Cloud CI/CD (Jenkins, GitHub Actions) Docker JUnit Espresso Mockito TDD Play Store Console

Education

Bachelor of Computer Software Engineering

Azad University

Feb 2019 – Jul 2022

Developed strong proficiency in SQL through extensive coursework and practical projects
Built a solid foundation in mobile application development with hands-on projects
Specialized in Software Engineering and Computer Science fundamentals

Associate's Degree of Computer Software Engineering

Azad University

Sep 2015 – Feb 2019

Featured Projects

Community Platform Android App

Native Android application connecting users with restaurants, cafes, rental properties, jobs, services, and local events. Built a scalable multi-module app using Kotlin, Jetpack Compose, MVVM, Clean Architecture, and Hilt. Developed responsive UI with Material Design 3 and implemented secure login with JWT authentication. Added Room Database and caching for offline support. Built search, filtering, and category discovery features.

Kotlin Jetpack Compose MVVM Clean Architecture Hilt Room Database Retrofit JUnit Espresso

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CallKit - Android Calling Library

Native Android calling library focused on real-time communication and clean architecture. Built a production-ready calling library using Kotlin and modern Android development practices. Designed scalable architecture with MVVM, Clean Architecture, and modular structure. Developed responsive UI with Jetpack Compose and reusable components. Implemented real-time features with stream handling, state management, and user interactions.

Kotlin Jetpack Compose MVVM Clean Architecture Coroutines Flow Dependency Injection Real-time Streams

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