Experienced Senior Flutter & Mobile App Engineer with 7+ years building scalable, high-performance mobile applications across Flutter, React Native, Dart, Kotlin, and Java. Strong in state management (GetX, Bloc), REST APIs, Firebase/Realm/local storage, and CI/CD with Azure DevOps; also experienced in Android native (Jetpack Compose) and AI agent integrations. Delivered multiple production apps from scratch, including Web3 integration and AI fitness/fitness guidance features using ML Kit, plus Jetpack/Compose and cross-platform releases. Focused on reliable releases, product security practices (secure storage/API key protection/obfuscation), automated testing (up to 100% coverage in projects), and agile execution.

Zia d B in K halid Sen io r M ob ile A p

Experienced Senior Flutter & Mobile App Engineer with 7+ years building scalable, high-performance mobile applications across Flutter, React Native, Dart, Kotlin, and Java. Strong in state management (GetX, Bloc), REST APIs, Firebase/Realm/local storage, and CI/CD with Azure DevOps; also experienced in Android native (Jetpack Compose) and AI agent integrations. Delivered multiple production apps from scratch, including Web3 integration and AI fitness/fitness guidance features using ML Kit, plus Jetpack/Compose and cross-platform releases. Focused on reliable releases, product security practices (secure storage/API key protection/obfuscation), automated testing (up to 100% coverage in projects), and agile execution.

Available to hire

Experienced Senior Flutter & Mobile App Engineer with 7+ years building scalable, high-performance mobile applications across Flutter, React Native, Dart, Kotlin, and Java. Strong in state management (GetX, Bloc), REST APIs, Firebase/Realm/local storage, and CI/CD with Azure DevOps; also experienced in Android native (Jetpack Compose) and AI agent integrations.

Delivered multiple production apps from scratch, including Web3 integration and AI fitness/fitness guidance features using ML Kit, plus Jetpack/Compose and cross-platform releases. Focused on reliable releases, product security practices (secure storage/API key protection/obfuscation), automated testing (up to 100% coverage in projects), and agile execution.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Beginner
Beginner
See more

Language

English
Advanced

Work Experience

Mobile App Architect / Flutter App Developer at Magnate Systems
April 1, 2024 - Present
Mobile App Architecture (MVVM, Clean Architecture) and Android Native Development; RESTful API integration; Flutter app development; associated roles including Associate TechFlutter App Developer.
Flutter Developer (Part-time)
June 1, 2023 - January 20, 2024
Flutter Developer at Youth.ai
June 1, 2023 - January 1, 2024
Developed and enhanced features for Youth.ai and its 4 child apps; implemented MVVM architecture with Bloc for efficient state management; analyzed, designed, and implemented new systems and applications.
Flutter Developer
June 1, 2023 - January 1, 2024
June 2023 - Jan 2024 (Part Time): Developed and enhanced features for Youth.ai and its 4 child apps. Integrated third-party ML SDKs for health checkups, applied state management (GetX/Providers), localization, in-app purchases, custom animations; CI/CD pipelines; local database usage.
Senior Flutter Developer at Jbs a T e am B uilt a F lu tte r app
December 1, 2021 - April 2, 2024
Built a Flutter application from scratch using Figma designs and Dart, converting an already-published native app to Flutter. Implemented GetX and Bloc state management patterns to ensure smooth functionality. Integrated automated testing strategies achieving 100% test coverage. Followed agile methodology including 2-week sprints, daily stand-ups, and sprint meetings. Managed app releases using CI/CD pipelines on Azure DevOps.
Senior Flutter Developer at Wild Fork Foods
December 1, 2021 - April 1, 2024
Built a Flutter app from scratch using Figma designs and Dart, converting the already published Native app to Flutter. Implemented GetX and Bloc state management to ensure smooth functionality. Integrated automated testing strategies, achieving 100% test coverage. Applied Agile methodologies, including 2-week sprints, daily stand-ups, and sprint meetings. Managed app releases using CI/CD pipelines on Azure DevOps.
Flutter Developer
December 1, 2021 - April 1, 2024
Dec 2021 - Apr 2024: Developed a feature-rich Flutter app with Web3 integration, AI fitness guidance, yoga training, and body scanning (in-app solution via Google ML Kit). Used Bloc architecture for scalable state management and performance optimization. Implemented CI/CD with Fastlane for automated build and deployment (Android & iOS). Applied product security practices including secure storage, API key protection, and code obfuscation. Tools included RevenueCat, Superwall, Facebook Analytics, Cursor, Codex, GitHub Copilot, OpenAI and more.
Flutter Developer at QuestTor Bot App
June 1, 2020 - November 1, 2021
Designed and developed QuestTor Bot App (coin purchasing and selling platform). Implemented MVVM architecture and Retrofit for API integration. Optimized app performance and ensured compatibility across devices.
Android Developer at Flutter App Developer / Assort Tech / Magnate Systems / Software Alliance / Youth.ai
April 20, 2020 - Present
Managed Android Native and Flutter apps for multiple projects (Lab Blame, Barbie ria, Eye Candy). Created project plans and delivered innovative solutions. Developed 12+ products from scratch using Dart, Java, and Kotlin; integrated REST APIs with Firebase and local databases (Sqflite, Shared Preferences). Achieved successful releases on Google Play with enhanced UI/UX and bug fixes.
Flutter App Developer at Mia mi Deve lo ped a fea ture-rich Flu tte r app
April 20, 2020 - Present
Developed feature-rich Flutter app with Web3 integration, AI fitness guidance, Yoga training, and body scanning in an in-app solution using Google ML Kit. Used Bloc architecture for scalable state management and performance optimization. Applied CI/CD with Fastlane for automated builds and deployments for Android and iOS. Included product security practices such as secure storage, API key protection, and code obfuscation.
Android / Mobile Developer at Quest Bot App (coin purchasing & selling platform)
April 1, 2020 - November 2, 2020
Designed and developed a Questor/Quest Bot app with coin purchasing and selling functionality. Implemented MVVM architecture and Retrofit for API integration. Optimized app performance and ensured compatibility across devices. Delivered a fully functional app with in-app purchases support.
Flutter Developer at Quest Bot App
April 1, 2020 - November 1, 2021
Designed and developed Quest Bot App (coin purchasing & selling platform). Implemented MVVM architecture and RESTful API integration; set up CI/CD pipelines with Firebase tools; focused on scalable state management using GetX/Bloc; integrated in-app purchases and security practices.
Flutter App Developer at Youth.ai / Assort Tech
November 1, 2019 - March 20, 2020
Designed and enhanced features for multiple e-commerce platforms. Implemented MVVM architecture with Bloc for efficient state management. Analyzed, designed, and implemented new systems and applications. Implemented features including localization, in-app purchases, and custom animations using Google Maps.
Flutter Developer at Youth.ai
November 1, 2019 - March 1, 2020
Developed and enhanced features for Youth.ai and its four child apps. Integrated third-party ML SDKs for health checks, calculated user health scores; implemented MVVM architecture for scalable state management; improved UX with localization and in-app purchases; involved CI/CD pipelines; used GetX/Providers and local DB.
Mobile Developer at Youth.ai
June 1, 2019 - October 1, 2019
Developed and enhanced features for Youth.ai and its four child apps. Integrated third-party ML SDKs for health checkups including calculation of users' Health Scores. Analyzed, designed, and implemented new functionalities to improve user experience.

Education

Bachelor of Information Technology at University of Sargodha
October 1, 2015 - July 1, 2019
Bachelor's in Information Technology at University of Sargodha
October 1, 2015 - July 1, 2019
Bachelor's in Information Technology at University of Sargodha
October 20, 2015 - July 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Education, Professional Services