Yadnyesh Rana

Senior Android Engineer • 10+ Years Building Apps at Scale • AI/LLM Integration Specialist

📍 Mumbai, India
📱 5M+ Users
🚀 4 Apps Shipped
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AI & LLM Integration

🤖 Claude Vision API

Architected LeafLens, an AI plant health diagnosis app. Integrated Claude Vision for plant disease analysis, implemented dual-tier billing via Google Play Billing, and designed multi-module clean architecture for scalability.

🎙️ OpenAI Whisper

Shipped Vocly, a voice transcription app with offline-first architecture. Integrated Whisper API for accurate transcription, implemented subscription billing (₹99/month, ₹999/year), and optimized audio pipeline for low-latency processing.

📄 Google ML Kit

Built Scanora, a document scanner app, in just 3 months. Implemented ML Kit edge detection, multi-page PDF/JPEG export, and high-performance image processing. Shipped concept-to-Play Store with production-grade architecture.

Production Apps

Shipped 5 production apps to the Play Store with full ownership of architecture, AI integration, Google Play Billing, and release management.

Vocly

Live
Whisper API Kotlin Billing

AI Voice Transcription

Audio recording with OpenAI Whisper API integration. Offline-first architecture using Room database. Google Play Billing subscriptions with dynamic pricing. Production launch on Play Store.

∞
Free Tier Users
Whisper
API Engine

Scanora

Live
ML Kit Edge Detection Kotlin

AI Document Scanner

Google ML Kit edge detection for high-accuracy document scanning. Multi-page PDF and JPEG export. High-performance image processing pipeline. Shipped concept-to-store in under 3 months.

3M
Processing
ML Kit
Engine

LeafLens

Pre-Launch
Claude Vision Kotlin Compose

AI Plant Health Diagnosis

Anthropic Claude Vision API for plant disease analysis. Dual-tier billing (Free/Pro) via Google Play Billing. Multi-module clean architecture for scalability. Final pre-launch polish in progress.

Claude
Vision API
2M
Plants

Dreamify

Live
Compose MediaPlayer Kotlin

Sleep & Wellness

Ambient audio sessions with MediaPlayer backend. Jetpack Compose UI with smooth animations. Room-based persistence for session management. Released 2025.

50+
Audio Sessions
HLS
Streaming

Trezo

Live
Compose Room Kotlin

Savings Tracker

Goal management with visual progress dashboards. Jetpack Compose for modern UI. Room database for offline persistence. Released 2025.

∞
Goals
Real-time
Sync

Professional Experience

Senior Android Engineer
Pepperfry Pvt Ltd • Mumbai
Jun 2021 – Jul 2025 (4 yrs)
  • Owned Android platform at scale: architected standards and module boundaries adopted across all Android feature squads serving 5M+ DAU.
  • Led multi-module architecture migration: decomposed monolithic codebase into 12+ modules, reducing incremental build times by 40%.
  • Performance optimization: eliminated ANRs (2.1% → 0.3%), drove crash rate down 30% (3.2% → 2.2%) through profiling and background task discipline.
  • Cold start optimization: resolved bottlenecks via dependency restructuring and lazy initialization—200ms improvement on Snapdragon 632.
  • Owned full release lifecycle: Jenkins CI/CD, Play Store release trains, hotfix strategy, incident response across 40+ engineers.
  • Engineering leadership: mentored 3–4 engineers to independent feature ownership; reduced senior review bottlenecks by 35%.
Senior Android Engineer
Fanspole Online Solutions • Mumbai
Mar 2020 – Jun 2021 (1.3 yrs)
  • Architected Fanspole fantasy sports app from zero: defined data layer, navigation, state management patterns adopted by full team—reached 50K+ downloads.
  • Payment integration & UX: integrated Razorpay/PayU, optimized payment flow, increased paid contest conversion by 18% (₹42K → ₹49.6K).
  • Built Dodaa chat & betting app in Flutter: achieved sub-300ms message latency via Firebase Realtime Database optimization.
Android Engineer
Parity Cube Pvt Ltd • Mumbai
Jun 2015 – Mar 2020 (4.9 yrs)
  • Delivered 3 flagship commerce apps: DesiDime, Zingoy, Deal Alarm—1M+ installs, 700K+ users, 4.1+ Play Store ratings.
  • Conversion optimization: improved checkout conversion by 22% via UX redesign—₹120K → ₹141.6K monthly volume.
  • Stability: reduced crash rates by 35%, lifting retention 12% and rating from 3.8 to 4.1 stars.
  • Built infrastructure: deep linking, push notifications, Firebase Analytics, A/B testing used across all 3 products.
Android Developer
Porcupyne Technologies • Mumbai
Jun 2014 – May 2015 (1 yr)
  • Delivered 5+ Android apps across media and fintech domains.
  • Performance optimization: reduced app load time 15% and eliminated memory leaks via profiling and refactoring.

10+

Years Building Mobile Apps

5M+

Users at Scale

4

Apps Shipped with AI

30%

Crash Reduction

Technical Skills

Languages & Frameworks

Kotlin Java Dart Jetpack Compose Coroutines Flow

AI & Machine Learning

Claude Vision OpenAI Whisper ML Kit Chat APIs

Architecture & Design

Clean Architecture MVVM Multi-module Hilt/Dagger Repository Pattern

Data & APIs

Room Firebase Retrofit DataStore WorkManager

Payments & Monetization

Google Play Billing Razorpay PayU PhonePe Subscriptions

DevOps & Tools

Jenkins CI/CD Play Store Git/Bitbucket Firebase Crashlytics Android Profiler

Let's Work Together

I'm actively interviewing for Senior/Staff Android Engineer roles. Open to remote, relocation, and challenging technical problems.

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