Rahul Sharma

5+ years Android Engineer delivering scalable consumer and enterprise apps with Kotlin, Jetpack Compose, and Java. Expertise in MVVM and Clean Architecture, modular SDKs, offline-first sync, CI/CD with GitHub Actions, DI (Dagger/Hilt/Koin), analytics/push, and Play Store compliance across EU, EMEA, SEA, US, and India.

Senior Software Engineer at Capillary Technologies (2023-03 – Present)

• Led greenfield Android app and SDK delivery for loyalty and CRM use cases using Kotlin, Jetpack Compose, and MVVM; established a modular architecture with DI to accelerate feature delivery by 30%.
• Established CI/CD pipelines via GitHub Actions (multi-environment), code quality gates, and automated distribution to streamline releases.
• Implemented offline-first data sync with conflict handling and retry/backoff, improving reliability by 35%.
• Integrated analytics and push notifications, improving user insights by 20% while maintaining Play Store compliance.
• Mentored developers, promoted TDD and Clean Architecture, and led code reviews to reduce production defects by 40%.
• Improved UI performance by reducing frame drops (~20%) through optimized Jetpack Compose recomposition and image batching, resulting in smoother scrolling.
• Implemented 14+ Server-Driven UI (SDUI) components, allowing real-time UI updates without app releases and reducing deployment effort by 70%
• Designed centralized error handling engine and deep linking system, reducing debugging time by ~30%.
• Reduced APK size by ~18% via resource shrinking and build optimization, improving app install and update speed across devices.

Software Engineer - Android at eInfochips (An Arrow Company) (2022-02 – 2023-03)

• Delivered Android features in the healthcare domain with Kotlin, MVVM, and Koin; built offline sync using Room and WorkManager, reducing sync conflicts by 40%.
• Built push notifications and dynamic UI components, improving user engagement by 25%.
• Optimized API usage and local caching to enhance performance by 40%.
• Added unit/instrumentation tests and static analysis, lowering QA-found defects by 20%.
• Designed offline-first data layer enabling 3× higher concurrent usage and achieving ~99.9% uptime during peak traffic.
• Reduced crash rate by ~40% by introducing runtime safeguards and improving crash monitoring with Firebase Crashlytics.

Software Engineer at SocialBytes Technologies Pvt. Ltd. (2020-08 – 2022-02)

• Owned end-to-end Android development for 3 enterprise apps (survey, healthcare, teaching) from requirements to Play Store deployment using Kotlin and MVVM.
• Integrated analytics and crash reporting (Firebase, Crashlytics), reducing mean time to resolution by 25%.
• Designed reusable components and feature modules to speed development by 30%.
• Collaborated with product, design, and backend teams to scope features and plan releases.
• Increased new user signups by ~25% in 3 months through feature improvements and onboarding optimizations.
• Built modular architecture with service isolation, achieving ~99.99% uptime across 3 apps under peak load.

Bachelor of Technology in E&I – Babu Banarasi Das Northern India Institute of Technology (2018-08)