Rajat Jain

About Rajat Jain

Mobile Application Developer with hands-on experience in Android and Kotlin Multiplatform (KMP), working on real-world applications used by actual users.I specialize in Kotlin, Jetpack Compose, and MVVM architecture, and enjoy building clean, scalable, and maintainable mobile applications. Through KMP, I contribute to shared business logic across Android and iOS while maintaining native-quality UI on each platform.I also have experience working with backend APIs using Spring Boot, which helps me collaborate better with backend teams and build end-to-end features from client to server.Currently a Trainee at PhysicsWallah and in my pre-final year (B.Tech CSE, KIET Group of Institutions), where I work on production features, API integrations, and end-to-end mobile flows.I have built and shipped apps including CPBYTE and QuickPick, gaining experience in taking products from development to release.Actively seeking opportunities as a Mobile Engineer / Android & KMP Developer where I can contribute to impactful products and continue growing as a cross-platform mobile developer.Tech Stack: Kotlin | Kotlin Multiplatform (KMP)| Jetpack Compose | MVVM | REST APIs | Firebase | Spring Boot | Git

Experience

1. Mobile Application Developer

   PW (PhysicsWallah)

   Jan 2026 — Present

Education

• Christ The King Inter College

  High school

• KIET Group of Institutions

  Bachelor of Technology - BTech, CSE

• Christ The King Inter College

  Intermediate , Science