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Android Engineer with 5 years of professional experience building and shipping consumer-facing applications to Google Play, including large-scale fintech and payments products. Strong proficiency in Kotlin with hands-on experience across Jetpack Compose, Android Jetpack, Coroutines, Flow, Hilt, Retrofit, and Room. Has designed and implemented scalable multi-module Android architectures using MVVM, Clean Architecture, and MVI patterns. Writes clean, well-tested, and documented code, and has maintained unit and UI test coverage using JUnit, Espresso, and MockK. Experienced with Firebase, crash reporting, analytics, and A/B experimentation platforms. Contributes to code reviews, mentors junior engineers, and collaborates closely with product managers, designers, iOS engineers, and backend teams across Agile sprint cycles.…Android Engineer with 5 years of professional experience building and shipping consumer-facing applications to Google Play, including large-scale fintech and payments products. Strong proficiency in Kotlin with hands-on experience across Jetpack Compose, Android Jetpack, Coroutines, Flow, Hilt, Retrofit, and Room. Has designed and implemented scalable multi-module Android architectures using MVVM, Clean Architecture, and MVI patterns. Writes clean, well-tested, and documented code, and has maintained unit and UI test coverage using JUnit, Espresso, and MockK. Experienced with Firebase, crash reporting, analytics, and A/B experimentation platforms. Contributes to code reviews, mentors junior engineers, and collaborates closely with product managers, designers, iOS engineers, and backend teams across Agile sprint cycles.

Ajith Kumar

Full Stack Developer, App Developer, Front-End Developer, +2

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Android Engineer with 5 years of professional experience building and shipping consumer-facing applications to Google Play, including large-scale fintech and payments products. Strong proficiency in Kotlin with hands-on experience across Jetpack Compose, Android Jetpack, Coroutines, Flow, Hilt, Retrofit, and Room. Has designed and implemented scalable multi-module Android architectures using MVVM, Clean Architecture, and MVI patterns. Writes clean, well-tested, and documented code, and has maintained unit and UI test coverage using JUnit, Espresso, and MockK. Experienced with Firebase, crash reporting, analytics, and A/B experimentation platforms. Contributes to code reviews, mentors junior engineers, and collaborates closely with product managers, designers, iOS engineers, and backend teams across Agile sprint cycles.…Android Engineer with 5 years of professional experience building and shipping consumer-facing applications to Google Play, including large-scale fintech and payments products. Strong proficiency in Kotlin with hands-on experience across Jetpack Compose, Android Jetpack, Coroutines, Flow, Hilt, Retrofit, and Room. Has designed and implemented scalable multi-module Android architectures using MVVM, Clean Architecture, and MVI patterns. Writes clean, well-tested, and documented code, and has maintained unit and UI test coverage using JUnit, Espresso, and MockK. Experienced with Firebase, crash reporting, analytics, and A/B experimentation platforms. Contributes to code reviews, mentors junior engineers, and collaborates closely with product managers, designers, iOS engineers, and backend teams across Agile sprint cycles.

Available to hire

Android Engineer with 5 years of professional experience building and shipping consumer-facing applications to Google Play, including large-scale fintech and payments products. Strong proficiency in Kotlin with hands-on experience across Jetpack Compose, Android Jetpack, Coroutines, Flow, Hilt, Retrofit, and Room. Has designed and implemented scalable multi-module Android architectures using MVVM, Clean Architecture, and MVI patterns. Writes clean, well-tested, and documented code, and has maintained unit and UI test coverage using JUnit, Espresso, and MockK. Experienced with Firebase, crash reporting, analytics, and A/B experimentation platforms. Contributes to code reviews, mentors junior engineers, and collaborates closely with product managers, designers, iOS engineers, and backend teams across Agile sprint cycles.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Software Engineer at SiriusXM

December 1, 2024 - Present

Built and shipped consumer-facing Android features for a payments and financial services platform used by millions of users daily, using Kotlin, Jetpack Compose, and the full Android Jetpack stack with a strong focus on reliability and user experience quality. Designed and implemented multi-module Clean Architecture with MVVM patterns, structured feature modules for maintainability and testability. Integrated Retrofit and Room for network and local data layers, managed async workflows with Coroutines and Flow, and applied Hilt for dependency injection. Owned payment-related mobile feature integration, connecting the Android client to backend payment services via RESTful APIs with proper error handling, retry logic, and secure token management. Maintained comprehensive test coverage using JUnit, Espresso, and MockK across unit, integration, and UI levels, and used Firebase Crashlytics and analytics to catch and resolve production issues quickly. Contributed to A/B experimentation and fe

Software Engineer at Pike Corporation

October 1, 2023 - October 1, 2024

Worked on a large-scale consumer fintech Android application, building reusable components and shared libraries within a multi-module architecture. Migrated legacy view-based screens to Jetpack Compose, improving UI consistency, reducing code volume, and making screens easier to test. Built data layer infrastructure using Room and Retrofit with offline caching for resiliency. Ran A/B experiments to validate UI and checkout flow changes, collaborating with product to analyze results and ship data-driven decisions. Set up and maintained GitHub Actions CI/CD workflows for automated build validation, test execution, and Play Store deployment, and mentored a junior engineer through pairing and code reviews.

Software Engineer at Wipro Technologies

June 1, 2021 - November 1, 2022

Joined a greenfield Android project for an e-commerce client and established MVVM with Clean Architecture and Hilt. Implemented networking and caching layers with Retrofit and Room, and devised a data synchronization strategy to keep the local database in sync with the backend. Wrote unit and UI tests using JUnit, MockK, and Espresso, and documented testing approaches. Integrated Firebase Analytics and Crashlytics to provide visibility into user behavior and app stability, guiding prioritization of fixes and improvements. Collaborated with backend engineers to define API contracts and aligned with iOS team to streamline cross-platform behavior. Shipped the initial version to Google Play Store and managed post-launch patches, signing, build variants, and staged rollout.