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I’m a senior Android developer with 9 years of experience delivering scalable mobile applications using Kotlin and Java. I specialize in UI modernization with Jetpack Compose and architecture transitions from MVVM to MVI, applying my skills across banking, healthcare, telecom, and travel domains. I thrive in large, cross-functional Agile teams, adopting modern CI/CD practices, and I enjoy mentoring junior developers while promoting modular, testable code." I’m hands-on with Android frameworks, REST/GraphQL APIs, and latest libraries like Hilt and Retrofit. I’ve led major modernization projects to improve user experience and performance and I’m comfortable guiding requirements through to production deployment and post-release support. I pride myself on clean code, problem solving, and delivering on time in fast-paced environments.…I’m a senior Android developer with 9 years of experience delivering scalable mobile applications using Kotlin and Java. I specialize in UI modernization with Jetpack Compose and architecture transitions from MVVM to MVI, applying my skills across banking, healthcare, telecom, and travel domains. I thrive in large, cross-functional Agile teams, adopting modern CI/CD practices, and I enjoy mentoring junior developers while promoting modular, testable code." I’m hands-on with Android frameworks, REST/GraphQL APIs, and latest libraries like Hilt and Retrofit. I’ve led major modernization projects to improve user experience and performance and I’m comfortable guiding requirements through to production deployment and post-release support. I pride myself on clean code, problem solving, and delivering on time in fast-paced environments.

Chaya Sri

App Developer, Web Developer, Full Stack Developer, +2

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I’m a senior Android developer with 9 years of experience delivering scalable mobile applications using Kotlin and Java. I specialize in UI modernization with Jetpack Compose and architecture transitions from MVVM to MVI, applying my skills across banking, healthcare, telecom, and travel domains. I thrive in large, cross-functional Agile teams, adopting modern CI/CD practices, and I enjoy mentoring junior developers while promoting modular, testable code." I’m hands-on with Android frameworks, REST/GraphQL APIs, and latest libraries like Hilt and Retrofit. I’ve led major modernization projects to improve user experience and performance and I’m comfortable guiding requirements through to production deployment and post-release support. I pride myself on clean code, problem solving, and delivering on time in fast-paced environments.…I’m a senior Android developer with 9 years of experience delivering scalable mobile applications using Kotlin and Java. I specialize in UI modernization with Jetpack Compose and architecture transitions from MVVM to MVI, applying my skills across banking, healthcare, telecom, and travel domains. I thrive in large, cross-functional Agile teams, adopting modern CI/CD practices, and I enjoy mentoring junior developers while promoting modular, testable code." I’m hands-on with Android frameworks, REST/GraphQL APIs, and latest libraries like Hilt and Retrofit. I’ve led major modernization projects to improve user experience and performance and I’m comfortable guiding requirements through to production deployment and post-release support. I pride myself on clean code, problem solving, and delivering on time in fast-paced environments.

Available to hire

I’m a senior Android developer with 9 years of experience delivering scalable mobile applications using Kotlin and Java. I specialize in UI modernization with Jetpack Compose and architecture transitions from MVVM to MVI, applying my skills across banking, healthcare, telecom, and travel domains. I thrive in large, cross-functional Agile teams, adopting modern CI/CD practices, and I enjoy mentoring junior developers while promoting modular, testable code."

I’m hands-on with Android frameworks, REST/GraphQL APIs, and latest libraries like Hilt and Retrofit. I’ve led major modernization projects to improve user experience and performance and I’m comfortable guiding requirements through to production deployment and post-release support. I pride myself on clean code, problem solving, and delivering on time in fast-paced environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Javanese

Advanced

Amharic

Advanced

Work Experience

Senior Android Developer at Iotics Corporation LLC

October 1, 2020 - Present

Client: Citizens Bank, Providence, RI. Working on modernization of the Citizens Bank mobile app by transitioning from legacy XML-based UI to Jetpack Compose, integrating with a custom-built internal UI framework, migrating Java code to Kotlin, and re-architecting modules from MVVM to MVI. Collaborating with Transformation team and cross-functional Android teams to ensure compliance, performance, and usability. Mentoring junior developers and participating in Agile ceremonies.

Senior Android Developer at Fiserv Inc

December 1, 2023 - October 10, 2025

Developed features using Kotlin within a multi-variant build system, implemented MVVM with Hilt for DI, designed multi-module architecture, integrated Retrofit with RESTful APIs, automated UI and unit testing, and contributed to Jenkins-based CI/CD and JIRA-based Agile processes.

Senior Android Developer at Sentara Healthcare

April 1, 2023 - October 10, 2025

Developed features for Sentara and Optima healthcare apps, refactored legacy code to optimize performance, implemented During Care feature, integrated real-time verification using SignalR, implemented modules such as Find a Doctor, Schedule Appointment, and Pay My Bill, used ViewPager for tab navigation, and used LaunchDarkly for feature toggling. Implemented analytics tracking and Splunk dashboards; maintained 90%+ test coverage and reduced crash rate.

Android Developer at Royal Caribbean Cruise Ltd.

June 1, 2021 - October 10, 2025

Delivered cruise app features using Kotlin, MVP, and RESTful APIs with Retrofit; implemented end-to-end Debark feature with scheduling and push notifications; improved asynchronous data handling with RxJava; wrote unit and integration tests with JUnit/Mockito; used Crashlytics and Google Analytics; implemented Realm DB for offline data persistence; added UI enhancements with Lottie and content providers.

Lead Android Developer at Sysintelli Inc

July 1, 2020 - October 10, 2025

Led GoBank Rewards app features using Kotlin, MVVM, and DataBinding; integrated RESTful APIs with Retrofit; refactored legacy HTTPClient to RxJava; used Dagger 2 for DI; built complex UI layouts; wrote unit/UI tests; collaborated with cross-functional teams in Agile; used Perforce for version control; delivered 85%+ test coverage and improved performance.

Android Developer at Das Infomedia Pvt Ltd

November 1, 2015 - October 10, 2025

Developed IoT-enabled apps with Bluetooth LE and Wi-Fi APIs; crafted UI with XML Navigation Drawer; implemented RESTful APIs with Retrofit; used MVP architecture; background tasks with AsyncTask and Broadcast Receivers; crash analysis and resolution; barcode scanning with ZXing.

Android Developer at Maxgen Technologies

June 1, 2014 - October 10, 2025

Built Android Wear apps, hybrid apps with PhoneGap; implemented IPC via AIDL and Bind Services for Android Auto; designed UI; integrated AWS services for analytics/storage; created test suites with JUnit and Robotium; documented requirements with UML; contributed to Agile planning.

Senior Android Developer at Iotics Corporation LLC

October 1, 2020 - Present

Led modernization of Citizens Bank mobile app by transitioning from legacy XML-based UI to Jetpack Compose, integrating with a custom internal UI framework. Migrated codebase from Java to Kotlin and re-architected modules from MVVM to MVI to improve unidirectional data flow, performance, and testability. Collaborated with Transformation team and cross-functional Android teams; partnered with Product Owners and UI/UX designers to translate requirements into high-quality, scalable Android solutions.

Senior Android Developer at Fiserv Inc

December 1, 2023 - October 10, 2025

Developed features using Kotlin in a multi-variant build system, increasing modularity and enabling feature customization. Architected with MVVM and Hilt for DI; built multi-module architecture to reduce build times and improve code organization. Integrated Retrofit with RESTful APIs; conducted API testing with Postman/SOAP UI; implemented push notifications; achieved >85% test coverage with Espresso/JUnit.

Senior Android Developer at Sentara Healthcare

April 1, 2023 - October 10, 2025

Developed features for Sentara and Optima healthcare apps; refactored legacy code to improve performance and SDK compliance. Designed During Care feature to help hospitalized patients review care plans; integrated SignalR for real-time data; built Find a Doctor, Schedule Appointment, and Pay My Bill modules; implemented feature toggling with LaunchDarkly; added analytics and Splunk dashboards; maintained high test coverage and reduced crash rates.

Android Developer at Royal Caribbean Cruise Ltd.

June 1, 2021 - October 10, 2025

Delivered cruise app features using Kotlin, MVP, and RESTful APIs with Retrofit; implemented Debark end-to-end including form submission, scheduling, and real-time push notifications; improved asynchronous data handling with RxJava; maintained robust test suites with JUnit/Mockito; integrated Realm for offline data; added Lottie animations and content providers to enhance UX.

Lead Android Developer at Sysintelli Inc

October 1, 2020 - October 10, 2025

Led GoBank Rewards app development using Kotlin, MVVM, and DataBinding; integrated REST APIs via Retrofit; migrated legacy HTTPClient to RxJava; applied Dagger 2 for DI; designed complex layouts; conducted unit/UI tests with JUnit, Espresso; collaborated with cross-functional teams in Agile Scrum; used Perforce for version control; delivered performance improvements and UI responsiveness.

Android Developer at Das Infomedia Pvt Ltd

November 1, 2015 - October 10, 2025

Developed IoT-enabled apps with Bluetooth LE and Wi-Fi APIs; crafted UI with Navigation Drawer and ListView; implemented RESTful APIs with Retrofit and JSON parsing; used MVP architecture; handled background tasks with AsyncTask; integrated ZXing for barcode scanning; managed version control with Perforce; contributed to crash analysis and performance improvements.

Android Developer at Maxgen Technologies

June 1, 2014 - October 10, 2025

Built Android Wear apps using Eclipse and OpenGL ES; developed hybrid apps with PhoneGap; implemented IPC via AIDL for Android Auto; designed custom UI across devices; integrated AWS services for analytics and storage; created test suites with JUnit and Robotium; contributed to Agile planning and documentation.

Senior Android Developer at Iotics Corporation LLC

October 1, 2020 - November 4, 2025

Led modernization efforts for Citizens Bank mobile app, migrating UI to Jetpack Compose and integrating with a custom internal UI framework. Re-architected modules from MVVM to MVI, migrated Java code to Kotlin, and collaborated with cross-functional teams to ensure scalable, performant features. Engaged with product and design teams to translate requirements into high-quality Android solutions and mentored junior engineers.

Senior Android Developer at Fiserv Inc

December 1, 2023 - December 1, 2023

Developed features in Kotlin within a multi-variant build system, implemented MVVM with Hilt, and built a multi-module architecture to improve modularity and build times. Integrated Retrofit RESTful APIs, performed API testing, and established robust CI/CD practices with Jenkins and JIRA. Implemented native push notifications and maintained high test coverage.

Senior Android Developer at Sentara Healthcare

April 1, 2023 - April 1, 2023

Enhanced Sentara/Optima healthcare apps using Java and Kotlin; refactored legacy code to reduce latency and improve performance. Implemented features like Find a Doctor, Schedule Appointment, and Pay My Bill; introduced real-time updates with SignalR and feature toggling with LaunchDarkly; set up analytics and monitoring with Splunk; maintained high test coverage.

Android Developer at Royal Caribbean Cruise Ltd.

June 1, 2021 - June 1, 2021

Delivered MV(P) architecture features using RESTful APIs with Retrofit; implemented Debark feature end-to-end, including scheduling and push notifications. Improved asynchronous data handling with RxJava and ensured high test coverage with JUnit/Mockito; leveraged Firebase Crashlytics and Google Analytics for app health monitoring; used Realm for local data persistence and integrated UI enhancements with Lottie.

Lead Android Developer at Sysintelli Inc

July 1, 2020 - July 1, 2020

Led Android development for Green Dot Corporation GoBank Rewards app; integrated RESTful APIs with Retrofit, applied MVVM with Dagger 2 for DI, and employed RxJava for reactive data handling. Implemented extensive unit/UI tests (JUnit, Espresso) and contributed to performance improvements and multi-module project organization.

Android Developer at Das Infomedia Pvt Ltd

November 1, 2015 - November 1, 2015

Built IoT-enabled Android apps with Bluetooth LE and Wi-Fi APIs; implemented RESTful API integration with Retrofit, applied MVP architecture, and improved data synchronization with local storage. Worked on background tasks and notification delivery while minimizing technical debt.

Android Developer at Maxgen Technologies

June 1, 2014 - June 1, 2014

Developed Android Wear apps with Eclipse/Android SDK, leveraging OpenGL ES for graphics acceleration; built hybrid apps with PhoneGap; implemented inter-device communication for Android Auto and integrated with AWS for analytics/storage.