Harish Tumma

Results-driven Senior Android Developer with 10+ years of experience building scalable, high-performance mobile applications across gaming, fintech, POS, transport, insurance, and enterprise domains. Strong expertise in Kotlin, Java, Android SDK, Jetpack Compose, Jetpack Navigation, Paging 3, Google Maps Navigation, REST APIs, and modern Android architecture patterns including MVVM and Clean Architecture. Experienced in leading development teams, optimizing application performance, reducing ANR/crash rates, integrating third-party SDKs, and managing Play Store releases.

Skilled in mentoring developers, participating in code reviews, and delivering secure, user-friendly, and highly responsive Android applications in agile environments.

Senior Android Developer (Contract) - D4 Insight - Dubai, UAE

(2025-12 - 2026-04)

• Developed and maintained secure Android applications using Kotlin and modern Android architecture.
• Led feature development discussions and collaborated with cross-functional teams during sprint cycles.
• Integrated REST APIs, authentication systems, payment flows, and transaction management features.
• Optimized application performance and stability across multiple Android devices.

Senior Android Developer - Currencies Direct Ltd - Mumbai

(2023-07 - 2025-12)

• Built fintech mobile app features for international money transfers and onboarding workflows.
• Reduced crash rates and improved application stability through debugging and memory optimization.
• Implemented Kotlin, Jetpack Compose, Coroutines, Flow, and MVVM architecture.
• Participated in code reviews and collaborated with distributed UK and EU development teams.

Senior Android Developer - Capgemini - Mumbai

(2021-07 - 2023-07)

• Developed enterprise-grade Android applications for retail and POS-related solutions.
• Implemented scalable features using Kotlin, Java, MVVM, LiveData, and REST APIs.
• Improved app responsiveness and reduced production defects through performance tuning.
• Mentored junior developers and contributed to technical discussions and architecture improvements.

Senior Android Developer - Playerzpot - Mumbai

(2021-03 - 2021-07)

• Developed and optimized Android features for a fantasy gaming application with a large user base.
• Reduced ANR and crash issues through threading and memory optimization techniques.
• Integrated real-time APIs and improved gaming-related user flows and app responsiveness.
• Worked in agile sprint cycles with product and backend teams for rapid feature releases.

M.Sc. - Computer Science - Mumbai University (2018 - 2021)

B.Sc. - Computer Science - Mumbai University (2011 - 2014)