STEPHAN J
Coimbatore
Summary
Senior Mobile Engineer with 8+ years of experience in building and maintaining scalable Android applications and delivering production apps using Flutter. Focused on long-term maintainability and system design, managing mobile features from design to post-production. Skilled in collaborating with product, backend, and QA teams to create reliable mobile applications serving millions of users.
Overview
1
1
Certification
8
8
years of professional experience
Work History
Senior Mobile Application Engineer
Cloud Destinations
04.2024 - 09.2026
- Designed and developed Flutter-based mobile features emphasizing clarity, stability, and long-term maintainability.
- Developed and maintained modular Flutter codebases, ensuring clear separation between UI, business logic, and data layers for improved maintainability.
- Led feature development from initial discussions through implementation, release, and ongoing enhancements, ensuring alignment with user needs.
- Collaborated with product, backend, and QA teams to ensure features performed reliably in real-world usage, enhancing user satisfaction.
- Reviewed changes across codebase to enhance consistency, readability, and long-term code health.
- Improved existing flows by handling edge cases and strengthening overall application reliability..
Android Developer
Zalora
07.2023 - 04.2024
- Worked on a large-scale global e-commerce Android application used by 10M+ users across multiple regions.
- Built and enhanced user-facing features using Kotlin, modern Android APIs, and structured architecture patterns.
- Owned and maintained critical user journeys, including product discovery, navigation flows, and checkout-related experiences.
- Enhanced app reliability by addressing edge cases related to network variability, API failures, and device constraints, resulting in a smoother user experience.
- Integrated in-app tracking with Segment and Mixpanel, centralising event routing through Google Tag Manager for improved data accuracy.
- Collaborated with product teams to ensure analytics events were meaningful and aligned with business goals.
- Conducted code reviews and refactored complex code areas, reducing technical debt and enhancing overall code readability for the development team.
Android Developer
Codingmart Technologies Pvt Ltd
Bengaluru
12.2019 - 07.2023
- Built and maintained Android applications with 100M+ downloads, supporting high daily usage.
- Collaborated with backend teams to optimise API behaviour, aligning with mobile constraints and boosting application performance.
- Enhanced UI responsiveness, startup performance, and memory usage, resulting in smoother user experiences across multiple releases.
- Delivered features enhancing business workflows and increasing user engagement.
- Integrated crash reporting and analytics, yielding insights into application behaviour for data-driven decisions.
Android Developer
Felskinn Engineering Solutions Pvt Ltd
Bengaluru
03.2019 - 12.2019
- Developed enterprise-grade Android applications, improving user experience through intuitive design and functionality.
- Integrated third-party APIs, enhancing app functionality and providing seamless user experiences.
- Integrated third-party APIs to enhance app functionality and user experience.
- Collaborated with QA and backend teams, facilitating timely and stable application releases to meet project deadlines.
- Collaborated with cross-functional teams to define project requirements.
Android Developer
Knila IT Solution India Pvt Ltd
Coimbatore
04.2018 - 03.2019
- Developed production Android applications from concept to launch, ensuring high quality and user satisfaction.
- Developed Android applications for fashion retail platform, focusing on quality and user engagement.
- Established strong foundation in Android architecture and UI principles to enhance application performance and usability.
- Created user-friendly interfaces using modern mobile design principles to enhance user experience.
- Collaborated with cross-functional teams to define and refine app features and requirements, ensuring alignment with user needs.
Education
B.Tech - Information Technology
Park College of Engineering and Technology
Coimbatore01-2018
Skills
Android :
- Languages: Kotlin, Java
- UI: Jetpack Compose, XML Layouts, Custom Views, Material Components
- Architecture: MVVM, MVP, Clean Architecture, Repository Pattern, Design principles, SOLID principles, Modularity Architecture
- Dependency Injection: Dagger, Hilt
- Networking: Retrofit, OkHttp, Volley, MQTT
- Persistence: Room, SQLite, SharedPreferences, Secure Storage, DataStore
- Asynchronous programming, Flow, Coroutines, Thread
- Navigation: Android Navigation, Deep Linking, App Links
- Background Processing: WorkManager, Android Services
- Build and release
- Android TV: Leanback, Responsive UI, Material Design
- Testing: JUnit, MockK, Robolectric, Instrumentation Testing
- Play Store : Store Release and Update, Account creation and maintenance
Flutter:
- Languages: Dart
- Platforms: Android & iOS
- State Management: BLoC, Riverpod, Provider, GetX
- Dependency Injection: GetIt
- Networking: Dio, Interceptors, Retry Mechanisms, Token Refresh
- Persistence: Hive, SharedPreferences, Secure Storage
- Asynchronous Programming: Futures, Streams, Isolates
- Navigation: Navigator 20, Deep Linking
- UI: Material Design, Custom Widgets, Responsive UI
- Theming & Localization: Dynamic Themes, Multi-language Support
- Platform Integration: Method Channels, Native Android/iOS Bridges
- Build & Release: APK, AAB, IPA, Flavors, Environment Configurations
- Testing: Unit Testing, Widget Testing
- Debugging & Performance: Flutter DevTools, Application Performance Optimization
Shared / Cross-Platform:
- Version Control: Git, GitHub, Bitbucket, GitLab
- Tools: Android Studio, VS Code, Xcode, Cursor, Antigravity
- Firebase: Firebase Auth, FCM, Analytics, Crashlytics
- Analytics tools: Segment, Mixpanel, Braze, GTM
- CRM Tools: Contentful and Contentstack
- Project Management: Jira, TFS, Bugzilla
- Agile methodologies
- Code review
https://www.linkedin.com/in/stephan-john-240641140/
Certification
- Core Java Certification
- Flutter Course Certification
Timeline
Senior Mobile Application Engineer
Cloud Destinations
04.2024 - 09.2026
Android Developer
Zalora
07.2023 - 04.2024
Android Developer
Codingmart Technologies Pvt Ltd
12.2019 - 07.2023
Android Developer
Felskinn Engineering Solutions Pvt Ltd
03.2019 - 12.2019
Android Developer
Knila IT Solution India Pvt Ltd
04.2018 - 03.2019
B.Tech - Information Technology
Park College of Engineering and Technology