Ramiz Raja

Ramiz Raja

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5.0
(1 reviews)
US$15.00
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ABOUT ME
Senior Mobile Developer (Android|iOS|Flutter|ReactNative)
Senior Mobile Developer (Android|iOS|Flutter|ReactNative)

About
Ramiz is a senior mobile engineer with 12+ years of professional experience building high-quality mobile applications across Android, iOS, React Native, and Flutter. He has deep expertise in native Android development using Kotlin and Java and is a Google Certified Associate Android Developer.

He has contributed to large-scale production apps, including the Plume B2B Android application, where multiple product flavors are actively used by 10+ businesses, and Unified Remote, an Android app with 1.5+ million installs worldwide.

Beyond Android, Ramiz has strong hands-on experience in native iOS development using Swift, having shipped multiple production apps end-to-end — from Figma-based UI implementation to App Store deployment and post-release maintenance. He has extensive experience integrating Firebase services such as Authentication, Firestore, Remote Config, Cloud Messaging, Crashlytics, and ML features into live applications.

He also brings solid cross-platform experience with React Native and Flutter, having delivered production-ready apps and SDKs, built scalable architectures, and collaborated closely with design and backend teams. His Flutter experience includes Riverpod, GetX, GoRouter, and Dio, while his React Native work spans both application development and SDK maintenance.

Ramiz is known for writing clean, maintainable code, taking full ownership of delivery, and building stable, performance-focused apps that provide real value to users.

English
Pacific Time (US & Canada) (-08:00)
Joined July 2020
EXPERTISE
8 years experience
13 years experience
3 years experience
Boost librariesGoogle TestOOP
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Boost librariesGoogle TestOOPSTL
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9 years experience
9 years experience
6 years experience

REVIEWS FROM CLIENTS

5.0
(1 reviews)
Simon King
Simon King
July 2020
Ramiz helped me debug an issue I was having authenticating Microsoft accounts using Firebase Authentication. His knowledge and experience with Android meant he could quickly demonstrate a better way to achieve what I wanted - and ultimately help me overcome my issue. I can highly recommend Ramiz to others needing help quickly.
SOCIAL PRESENCE
GitHub
opencv-face-recognition-python
Face Recognition using OpenCV and Python.
HTML
326
261
Face-Detection-OpenCV
Face detection using OpenCV and Python
HTML
105
87
Stack Overflow
265 Reputation
0
5
17
EMPLOYMENTS
Lead Mobile Developer
NurivaTech AI
2025-02-01-2025-07-01
  • Led the architectural foundation of the Flutter app by implementing a scalable MVVM structure, enabling maintainable and testable...
  • Led the architectural foundation of the Flutter app by implementing a scalable MVVM structure, enabling maintainable and testable code for long-term development.
  • Designed and enforced a robust design system aligned with Figma, supporting multiple themes and ensuring consistency across the UI/UX.
  • Mentored and reviewed code of junior developers, ensuring adherence to MVVM best practices and overall code quality through detailed PR reviews and pair programming.
  • Collaborated cross-functionally to establish reusable patterns and core libraries, accelerating onboarding and development speed for new team members.
Android
MVVM
Dart
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Android
MVVM
Dart
Retrofit
iOS
Flutter
Riverpod
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Senior Software Engineer (Mobile)
Portal
2024-04-01-2025-04-01
  • Worked as the lead Portal Android SDK developer.
  • Worked as a contributor for the Portal React Native SDK
  • Worked o...
  • Worked as the lead Portal Android SDK developer.
  • Worked as a contributor for the Portal React Native SDK
  • Worked on integrating the Android SDK into Flutter and built an example app for consumer developers.
Android
Retrofit
Dagger
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Android
Retrofit
Dagger
Kotlin
React Native
Blockchain
Sdk development
Web3
Flutter
Jetpack Compose
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Senior Software Engineer (Android)
Vega Global Corporation
2023-07-01-2023-12-01
  • Defined and standardized codebase for other developers to follow from the presentation layer to the data layer.
  • Built the...
  • Defined and standardized codebase for other developers to follow from the presentation layer to the data layer.
  • Built the user profile and all its related screens from UI/UX to API integration.
  • Helped in stabilizing the onboarding flows including the session token management.
Android
Testing
MVVM
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Android
Testing
MVVM
Kotlin
Jetpack
UX/UI Design
API Integration
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PROJECTS
SKEDit Android AppView Project
SKEDit
2017
• Took over the SKEDit app with an existing, unstable, and underperforming code base. Worked closely with the old developer for smooth an...
• Took over the SKEDit app with an existing, unstable, and underperforming code base. Worked closely with the old developer for smooth and quick transfer of the domain knowledge. • Moved all the duplicated code into relevant repositories to make sure the code is centralized and adheres to the MVP architecture. • Improved the main screen load and rendering time by 4x by separating the unnecessary bundling of 5 tabs into 1 activity, into their separate screens and by moving the data loading happening on the main UI thread into the background threads.
Java
Accessibility
Kotlin
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Java
Accessibility
Kotlin
Material Design
RESTful API
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Jirah Sitter AppView Project
Jirah
2018
• Successfully delivered the app from its design to deployment in under 6 months, working closely with the client for requirements. • Des...
• Successfully delivered the app from its design to deployment in under 6 months, working closely with the client for requirements. • Designed a clean code base by using MVVM and latest libraries such as Kotlin Coroutines, Dagger 2, Retrofit 2, Android Navigation Component, Work Manager, Room, View Model, LiveData, Android Paging, and other Android JetPack libraries. • Successfully deployed the app first to beta and then to release channel, with app gaining great reviews and 4.9+ rating as of now.
Android
Java
Git
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Android
Java
Git
Google Maps
MVVM
Kotlin
Picasso
Android navigation
Workmanager
Android paging
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