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Doraswamy Vamsi

@doraswamyvamsi

Android Developer at Aadhan Media, building KNOVO and a secure Razorpay subscription system with fault-tolerant payment workflows.

India

Message

At Aadhan Media Pvt Ltd, I develop Android features for KNOVO, a reel-style OTT app live on the Google Play Store, using Kotlin, MVVM, and ExoPlayer with pre-caching. I also built and own its production subscription and payments system, integrating Razorpay with secure authentication and fault-tolerant workflows.

I modularized parts of the codebase into shared libraries and mentored engineers through code review and pairing. I resolved ANRs and memory leaks, cut cold-start time by 37%, and built freelance Android apps including a camera and voice-note app with crash-safe persistence and background sync.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer, Android

Current

Aadhan Media Pvt Ltd

Jun 2023 - Present (3 years 5 months)

Designed and developed Android features for KNOVO, a reel-style OTT app, using Kotlin, MVVM, and ExoPlayer. Built and owned a production subscription and payments system with Razorpay integration, and improved app stability and performance.

Kotlin MVVM ExoPlayer Razorpay Gitlab Jenkins Firebase Crashlytics Firebase Cloud Messaging Firebase Analytics Coroutines Android Profiler Feature Flags Phased Implementation AI Assisted Coding Claude Code Cursor

Freelance Android Developer

Freelance

Built a native Android camera and voice-note app end to end for a remote freelance client, using CameraX capture and offline real-time speech transcription. Designed crash-safe Room persistence with resumable session recovery and background sync to Firebase Storage via WorkManager.

Kotlin MVVM CameraX ROOM Firebase Storage WorkManager Speech to text transcription