Srujan Donikena

Optum (UnitedHealth Group) Project.

• Developed and maintained healthcare mobile apps for Optum, ensuring HIPAA-compliant data handling for millions of policyholders.
• Implemented secure API integration and real-time health-tracking features, leveraging Kotlin, Coroutines, Retrofit, and Jetpack.
• Improved app performance and reduced crash rates by optimization strategies.
• Liaised with onshore teams, business analysts, and stakeholders to align requirements and timelines with strict healthcare regulations.
• Conducted code reviews, optimized architecture, and mentored junior developers to improve app scalability and code quality.

General Motors Project.

• Led the development of a vehicle automation app using Kotlin, Proto files, and RPCs.
• Designed a modular, Clean Architecture-driven codebase with Jetpack best practices.
• Integrated CI/CD pipelines with automated testing and deployment, reducing release cycles by 40%.
• Improved app startup time by 30% by optimizing DEX loading and background tasks.
• Participated in agile ceremonies and prioritized features with cross-functional teams.

• Developed 5+ GPS-based navigation and marine safety apps with offline capabilities, using Mapbox SDK.
• Refactored the legacy codebase into an MVVM structure, improving maintainability and reducing bugs by 60%.
• Implemented in-app subscriptions and purchase APIs, contributing to a 40% revenue increase.
• Used Firebase Crashlytics and Analytics to identify and resolve production issues faster.
• Set up internal testing via Play Console to beta test new releases before public rollout.
• Collaborated with UI/UX teams using tools like Zeplin and Figma for pixel-perfect implementation.