Muhammad Hassaan
Manchester
Summary
Experienced and dedicated full stack mobile app developer offering more than 5 years of expertise to the IT industry.
Dynamic and personable with strong focus on application lifecycle. Strengths in cross-platform mobile development with React Native and native Android development in Java/Kotlin.
Experience in variety of applications including Api's integration, Bluetooth connectivity, Image processing, Integrating c++ code for performance optimization etc.
Overview
6
6
years of professional experience
1
1
Certificate
Work History
Mobile Applications Developer
Prevayl
2022.03 - Current
- Fixed bugs and added features in Prevayl React Native App (https://apps.apple.com/gb/app/prevayl/id1523840020)
- Developed Prevayl APIs in AWS CDK (Typescript, schema validation using Zod)
- Submitted more than 280 Git Pull Requests for Prevayl App and over 300 Pull Requests overall in 2 years
- Fixed bugs in third-party open-source modules, such as react-native-reanimated, reproduced and submitted issues on their GitHub repositories, and maintained corrected version using path-package
- Worked in sprints with team to achieve targets (Jira)
- Utilized Git and continuous integration (CI/CD) tools
- Fixed bugs and updated custom native modules that can be integrated into any React Native project (Prevayl Bluetooth module)
- Updated React Native versions, libraries, and resolved conflicts if any
- Added Urql GraphQL client, removed Apollo GraphQL Client from project, implemented offline support in app using optimistic response, cache updaters, and improved performance
- Updated UIs and animations, upgraded React Native Reanimated to latest version
- Maintained app and addressed any bugs related to Bluetooth, APIs, GraphQL, caching, animations, UI, or performance
- Maintain app and fix any bugs related to bluetooth, Api's, Graphql, caching, animations, UI or performance.
- Fixed bugs in Connected Worker (MVP) Android Native app and make UI responsive for mobile devices (App was originally developed for Tablets only)
- Collaborated across multi-disciplinary teams using Agile development frameworks
Mobile Applications Developer
Whizpool
2018.02 - 2021.02
- Published and developed Link File Share app in React Native from scratch and fix bugs (https://play.google.com/store/apps/details?id=com.whizpool.filelink)
- Published and developed Actiitalk app from scratch (https://play.google.com/store/apps/details?id=com.actiitalk.app)
- Published and developed Clean Green Pakistan app from scratch (https://play.google.com/store/apps/details?id=io.cleangreenpakistan.start)
- Updated open-cv sdk and Ndk to support android devices with OS version 8.0+ and build split apk's for each architecture with different native compiled (.so) files (https://play.google.com/store/apps/details?id=com.whizpool.ezywatermarklite)
- Manage free and paid versions of photo and video watermark apps
- Improved image processing speed and resolved out of memory crashes in both Photo and Video watermark apps
- Fixed bugs and update ffmpeg video watermarking library for Ezy Watermark video apps
- Fixed bugs and updated the Work app, managed API calls, and helped the team achieve sprint targets (https://play.google.com/store/apps/details?id=com.mtg.workapp&hl=en)
- Fixed bugs in Quran Explorer App (https://play.google.com/store/apps/details?id=the.explorer.quran.app)
- Worked on variety of different applications that involve API integration, image processing, managing hardware resources, etc..
- Reviewing code of other two developers was also part of my job
- Tracked post-deployment bug reports to recognise and resolve trends among user-reported faults and complaints
Mobile Application Developer
Globia Technologies
2017.10 - 2018.02
- Contributed in different applications and developed basic photo editor android application from scratch
Education
Master of Science - Applied Artificial Intelligence And Data Analytics
University of Bradford
Bradford, United Kingdom03.2022
Bachelor of Science - Software Engineering
Bachelor's of Science In Computer Science
Islamabad, Pakistan08.2017
Skills
- React Native (4 years)
- React.js (4 years)
- Typescript (4 year)
- Javascript (5 years)
- Rxjs (2 years)
- GraphQL (2 years)
- Bluetooth Integration (2 years)
- React Native Nfc (2 years)
- React Hooks (2 years)
- Native Modules (2 years)
- Flutter (2 years)
- Dart (2 years)
- Background services and tasks (5 years)
- Next.js (1 year)
- Git (5 years)
- Jira (5 years)
- Api's Integration (5 years)
- Continuous Integration (2 years)
- Github Actions
- Docker & Kubernetes
- SOLID Design Principles
- Aws cdk (2 years)
- Android (5 years)
- Ios (5 years)
- Kotlin (3 years)
- Kotlin Coroutines / Flows
- Retrofit
- Android Jetpack Compose
- Jira/Confluence
- JUnit, Espresso
- Java (5 years)
- Swift (2 years)
- PHP (1 year)
- XCode
- Android Studio
- Android SDK
- MVVM
- Dagger Hiilt
- Kotlin Coroutines
- Android NDK
- Urql GraphQL Client
- Apollo GraphQL Client
- Feature Sliced Design
- Agile Development Methodologies (5 years)
- Unit Testing
- User Experience Design
- Code Quality
- Flutter
- Dart
Certification
React Native Developer - LinkedIn Learning, Online
GraphQL - LinkedIn Learning, Online
Additional Information
Plays Cricket
Likes social media
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
Every problem is a gift—without problems we would not grow.
Tony Robbins
Timeline
Mobile Applications Developer
Prevayl
2022.03 - Current
Mobile Applications Developer
Whizpool
2018.02 - 2021.02
Mobile Application Developer
Globia Technologies
2017.10 - 2018.02
Master of Science - Applied Artificial Intelligence And Data Analytics
University of Bradford
Bachelor of Science - Software Engineering
Bachelor's of Science In Computer Science
React Native Developer - LinkedIn Learning, Online
GraphQL - LinkedIn Learning, Online