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sounder rajan

@sounderrajan

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Creative Senior Android Developer with 8+ years of experience.

India

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What I'm looking for

I am looking for a role that fosters innovation, encourages team collaboration, and offers opportunities for professional growth.

I am a Senior Android Developer with over 8 years of experience in crafting robust and scalable Android applications. My expertise lies in Kotlin, Jetpack components, and Clean Architecture, which allows me to build secure and seamless user experiences. I have a proven track record of leading teams, optimizing systems, and driving automation to enhance app delivery.

Throughout my career, I have developed high-performance applications, including a banking app used by over 10 million users and a state-wide transport app serving more than 1 million users. I thrive on mentoring junior developers and ensuring best practices in architecture and coding. My passion for writing clean, maintainable code drives me to deliver impactful solutions that enhance everyday user journeys.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

LTIMindtree Limited

Mar 2022 - Apr 2025 (3 years 1 month)

Built high-performance business logic using Kotlin Coroutines for non-blocking operations and refactored legacy code with Kotlin constructs, reducing boilerplate by 25%. Developed a banking app used by 10M+ users and a state-wide transport app serving over 1 million users, enhancing API response times and reducing crash rates via Firebase diagnostics.

Coroutines Kotlin Jetpack Compose Firebase Jenkins SonarQube Android Studio Gradle

Senior Software Developer

Kaptas Technologies

Jun 2019 - Mar 2022 (2 years 9 months)

Developed IoT-based fintech and commercial Android applications, implementing Bluetooth and Wi-Fi protocols for seamless device synchronization. Applied MVVM architecture with Hilt and LiveData, improving UI responsiveness with Paging 3 and lazy loading.

IoT Bluetooth MVVM Hilt LiveData Spring Paging3

Senior Application Developer

Dextrasys Technologies

Oct 2017 - Jul 2018 (9 months)

Developed and maintained a SaaS-based CRM Android application and designed an OCR-enabled document scanning app using CameraX and Google ML Kit. Utilized Room database for offline caching and automated regression testing with Espresso and JUnit.

Google MLKit SaaS CRM CameraX Google ML Kit Room Database Espresso Junit G Suite Microsoft Office Suite

Application Developer

Harsha Infotech

Oct 2016 - Sep 2017 (11 months)

Developed an e-commerce Android app with cart, checkout, and real-time order tracking, integrating third-party payment gateways for seamless transactions. Designed dynamic layouts using ConstraintLayout and custom views, employing Retrofit and GSON for RESTful API consumption.

Payment Gateways Custom Views Retrofit

Android Developer

All Right Technologies

Aug 2015 - Aug 2016 (1 year)

Created custom UI components to elevate user experience and gained hands-on experience across the full app lifecycle. Integrated REST APIs for various functionalities, contributing to the development of robust Android applications.

REST APIs User Experience Mobile Development

Education

Degrees, certifications, and relevant coursework

Anna University

B. Tech, Information Technology

Studied core concepts of Information Technology, including software development, database management, and networking principles. Gained practical experience in various programming languages and system design.