Varun Chandran
Austin,United States
Summary
Senior Android Developer with 10+ years of experience in Java, Kotlin, MVVM, MVI, and Clean Architecture. Proven track record of delivering high-performance, high-quality apps through a full-cycle approach encompassing development, comprehensive testing, UAT coordination, and post-release support. Strong problem-solving and collaboration skills drive innovation in fast-paced, Agile environments. Passionate about building scalable, maintainable, and robust mobile solutions.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Senior Software Engineer
Citizens Bank
Austin, TX
12.2024 - Current
- Developed and maintained the Citizens Bank mobile application using Compose, Clean Architecture, and MVI, achieving 80% test coverage.
- Wrote and executed unit and integration tests to ensure feature reliability and prevent regressions.
- Collaborated with QA teams to define test cases and reproduce, document, and track bugs using JIRA, ensuring timely resolution.
- Supported UAT cycles by providing test builds, addressing feedback from business users, and validating that all business requirements were met before production release.
- Managed feature flagging with LaunchDarkly for controlled rollouts and A/B testing, minimizing release risk.
- Ensured compliance with security standards (Arxan) and contributed to deployment activities for app store submissions.
Senior Software Engineer
Solution IT
Austin, TX
08.2024 - 12.2024
- Developed an internal Android application to streamline workflows using Kotlin, Jetpack Compose, and MVVM.
- Implemented a comprehensive testing strategy, including unit tests with MockK, and integration tests for the Room database and Retrofit API layers.
- Performed functional and regression testing across multiple devices and OS versions to guarantee compatibility.
- Utilized ProGuard to secure and optimize the final APK, directly contributing to release quality and performance.
Senior Software Engineer
DBS Bank(IBM)
Hyderabad, India
05.2021 - 06.2024
- An Android developer built a multilingual banking app (cards, investments) for APAC markets using Kotlin, Hilt, and Coroutines. Developed a multilingual banking app for APAC markets, leveraging Kotlin, Hilt, and Coroutines.
- Integrated Firebase Crashlytics for real-time bug reporting and monitoring, using crash data to prioritize and track fixes.
- Configured multiple build variants for diverse API environments, requiring thorough regression and compatibility testing for each flavor.
- Collaborated with cross-functional teams to validate user stories and business logic during sprint testing phases.
- Employed Kotlin Flows with ViewModel to ensure automatic UI updates, which were rigorously tested end-to-end.
Senior Software Engineer
Gadgeton Smart Systems
Kochi, Kerala
12.2019 - 04.2021
- Led the mobile team for Klatt Works and Web Cardio, managing end-to-end project execution.
- Translated customer requirements into formal documents that served as the basis for test cases and UAT scripts.
- Established quality procedures and conducted audits to ensure the team met quality benchmarks, fostering a culture of quality ownership.
- Communicated project status and UAT outcomes to stakeholders, ensuring clarity and alignment before release.
Software Engineer
Experion Global
Kochi, Kerala
09.2018 - 12.2019
- Developed the Go City user and driver applications using Kotlin and MVVM.
- Developed requirements based on Jira stories, ensuring testability and clear acceptance criteria from the outset.
- Integrated AWS Lambda and Firebase Realtime Database, performing end-to-end testing to validate synchronized updates between applications.
Software Engineer
Citrus Informatics
Kochi, Kerala
01.2018 - 07.2018
- Full-Stack Developer analyzing client needs to draft SFS docs, develop/test/ deploy features, and resolve JS/React issues. Expanded skills via React JS/Native training while supporting admin module fixes.
- As a developer responsible for writing SFS documents based on client requirements
- Responsibility includes analyzing, developing, testing and deployment of the assigned stories
- Took React JS and React native training
- Support to fix issues in an admin modal in Java script
Android Developer
Papercrane Business Solutions
Kochi, Kerala
06.2015 - 12.2017
- Android Developer designed responsive UIs and built a multi-layer camera interface with filters. Integrated Google Drive SDK for storage and optimized memory for performance. Implemented crash-prediction sensors. Handled full SDLC from analysis to deployment.
- Designed UI layouts compatible with all device sizes to enhance user experience
- Developed multi-layer interface over camera for advanced filtering features.
- Integrated Google Drive SDK for seamless video and image storage
- Optimized memory usage during camera module integration for improved performance
- Implemented sensor listeners to monitor device movement and predict crashes
- Conducted analysis, development, testing, and deployment of assigned project stories
Education
Bachelor of Computer Science - Engineering
Mahatma Gandhi University
Kerala11.2016
Diploma - Computer Engineering
Maharaja's Technological Institute
Kerala01.2011
Skills
- Programming languages: Java and Kotlin
- Testing frameworks: Espresso, JUnit, Mockito, MockK, Turbine
- Testing types: Unit, integration, UI, functional, regression, compatibility
- Testing tools: Android Profiler, Leak Canary, Charles Proxy, Firebase Crashlytics
- Bug tracking: JIRA
- Architectural patterns: Clean architecture, MVI, MVVM, MVP
- Android Jetpack components: Jetpack Compose, ViewModel, LiveData, Navigation, DataBinding, Room
- Dependency injection frameworks: Dagger 2, Hilt, Koin
- CI/CD tools: Jenkins, CircleCI, Fastlane, Git
- API technologies: REST API and GraphQL
- Development methodologies: Agile and Scrum
Testing & Quality Assurance Expertise
- Test Development & Execution: Proficient in developing and executing both manual and automated test cases for Android applications using Espresso, JUnit, and Mockito. Experienced in functional, regression, and compatibility testing across a wide range of devices and OS versions.
- Defect Management: Skilled in identifying, documenting, and tracking bugs and issues using JIRA. Collaborate closely with development teams to ensure timely resolution and verify fixes.
- User Acceptance Testing (UAT): Experienced in coordinating and supporting UAT cycles with business users and QA teams. Validate business requirements and user stories through end-to-end testing, collect feedback, and ensure necessary fixes are implemented before final release.
- Release & Support: Hands-on experience with deployment activities and Play Store submission processes. Provide post-release support, monitor user feedback and crash analytics, and analyze data to drive continuous improvement in subsequent releases.
Certification
- Banking Insight from IBM
- IBM
Portfolio
My First Work
My First Work
My First Work
My First Work
Websites
Timeline
Senior Software Engineer
Citizens Bank
12.2024 - Current
Senior Software Engineer
Solution IT
08.2024 - 12.2024
Senior Software Engineer
DBS Bank(IBM)
05.2021 - 06.2024
Senior Software Engineer
Gadgeton Smart Systems
12.2019 - 04.2021
Software Engineer
Experion Global
09.2018 - 12.2019
Software Engineer
Citrus Informatics
01.2018 - 07.2018
Android Developer
Papercrane Business Solutions
06.2015 - 12.2017
Bachelor of Computer Science - Engineering
Mahatma Gandhi University
Diploma - Computer Engineering
Maharaja's Technological Institute