Yadnyesh Rana

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

10+ Years Experience
5M+ Users at Scale
4 AI Apps Shipped
30% Crash Reduction
Let's Talk LinkedIn

AI & LLM Integration

Specialized in shipping production apps with Claude Vision, OpenAI Whisper, and Google ML Kit

🤖 Claude Vision API

Architected LeafLens, an AI plant health diagnosis app. Integrated Claude Vision for plant disease analysis with 95%+ accuracy, implemented dual-tier billing via Google Play Billing, and designed multi-module clean architecture.

🎙️ 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 <50ms latency.

📄 Google ML Kit

Built Scanora, a document scanner app, in just 3 months. Implemented ML Kit edge detection, achieved <50ms processing latency, multi-page PDF/JPEG export, and shipped concept-to-Play Store with production-grade architecture.

Production Apps

5 apps shipped to Play Store with full ownership of architecture, AI integration, billing, and release management

Vocly

Whisper API Kotlin Billing
Live

AI Voice Transcription

OpenAI Whisper API integration
Offline-first architecture with Room database
Google Play Billing subscriptions (₹99/month, ₹999/year)
Jetpack Compose UI with smooth animations
View on Play Store →

Scanora

ML Kit Edge Detection Kotlin
Live

AI Document Scanner

Google ML Kit edge detection for high accuracy
Multi-page PDF and JPEG export
<50ms processing latency optimized
Shipped concept-to-store in 3 months
View on Play Store →

LeafLens

Claude Vision Kotlin Compose
Launching April 2026

AI Plant Health Diagnosis

Anthropic Claude Vision API for plant disease analysis
95%+ accuracy with 100+ plant species support
Dual-tier billing (Free/Pro via Google Play Billing)
Multi-module clean architecture

🚀 Final pre-launch phase

Dreamify

Compose MediaPlayer Kotlin
Live

Sleep & Wellness

Ambient audio sessions with MediaPlayer backend
Jetpack Compose UI with smooth animations
Room-based persistence for session management
50+ curated audio sessions
View on Play Store →

Trezo

Compose Room Kotlin
Live

Savings Tracker

Goal management with visual progress dashboards
Jetpack Compose for modern UI
Room database for offline persistence
Real-time sync and notifications
View on Play Store →

Professional Experience

10+ years driving technical direction and scaling production Android apps

Senior Android Engineer
Pepperfry Pvt Ltd • Mumbai
Jun 2021 – Jul 2025 (4 yrs)
  • Owned Android platform at scale: architected standards, module boundaries, and engineering practices adopted across all Android feature squads serving 5M+ DAU. Enabled 15+ engineers to ship features independently.
  • Led multi-module architecture migration: decomposed monolithic codebase into 12+ independently buildable modules, reducing incremental build times by 40%, and improving developer velocity. Shipped 8+ features 3 weeks faster.
  • Performance optimization: eliminated ANRs (2.1% → 0.3%), drove crash rate down 30% (3.2% → 2.2%) through systematic profiling and background task discipline. Play Store rating improved from 4.2 to 4.5 stars; user retention increased 18%.
  • Cold start optimization: resolved critical bottlenecks via dependency graph restructuring and lazy initialization—200ms improvement on Snapdragon 632.
  • Release & incident management: owned full release lifecycle (Jenkins CI/CD, Play Store release trains, hotfix strategy), coordinating releases across 40+ Android engineers.
  • Engineering leadership: mentored 3–4 engineers from mid-level 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 of 8—reached 50K+ downloads within 18 months.
  • Payment integration & UX optimization: integrated Razorpay/PayU, optimized payment flow, increased paid contest conversion by 18% (₹42K → ₹49.6K monthly revenue).
  • 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+ monthly active users, sustained 4.1+ Play Store ratings.
  • Conversion optimization: improved checkout conversion by 22% via payment flow redesign—increasing transaction volume 18% (₹120K → ₹141.6K monthly).
  • Stability & performance: reduced crash rates by 35% (4.1% → 2.7%), lifting retention by 12% and improving 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. Business of Cinema reached 2M+ impressions; MFL Card handled 50K+ daily transactions.
  • Performance optimization: reduced app load time 15% and eliminated memory leaks via profiling and refactoring—improved user retention 8%.

Technical Skills

Core competencies in Android platform engineering, AI integration, and system design

AI & Machine Learning

Claude Vision API OpenAI Whisper ML Kit Chat APIs

Languages & Frameworks

Kotlin Java Dart Jetpack Compose Coroutines Flow

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 Subscriptions

DevOps & Tools

Jenkins CI/CD Play Store Git/Bitbucket Firebase Crashlytics

10+

Years Building Mobile Apps

5M+

Users at Scale

4

Production Apps Shipped with AI

30%

Average Crash Reduction

Let's Work Together

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

Email Me LinkedIn