- 👨💻 Tarun (@OPSHARP) — 25-year-old Full-Stack & Mobile Engineer focused on shipping high-performance software with zero fluff.
- 📱 Google Play Portfolio: Built & published 27+ production Android apps & games with smooth 60/120 FPS animations, clean architectures (BLoC/Riverpod), and offline-first data sync.
- 🤖 On-Device AI & Vision: Local neural translation, ML Kit text recognition, on-device OCR, and real-time virtual try-on pipelines without costly cloud lock-in.
- 💳 Fintech & Web Engines: Shipped zero-fee UPI payment gateways with drop-in JS checkout, dynamic QR code generators, and instant WhatsApp webhook automations.
- 💼 Open for Work: Available for high-impact contracts, startup MVPs, and long-term freelance collaborations (
$15–$25/hror milestone-based). - 🎯 Engineering Creed: Clean architecture • Zero UI slop • 60/120 FPS performance • Ship fast.
| Credential Parameter | Verified Certification Details |
|---|---|
| Certification Name | Google Play Store Listing Certificate |
| Certified Professional | Nitesh Kumar |
| Issuing Authority | Google Play Academy (Authorized by Urvi Palav, Head of Academy) |
| Certificate Number | 186897324 |
| Issue Date | June 30, 2026 |
| Validity Period | June 30, 2026 – June 30, 2029 (Active) |
| Specialized Skills | App Store Optimization (ASO), Custom Store Listings, Policy Compliance & Conversion Rate |
| Google Play Portfolio | 27+ Published Production Apps & Games ↗ |
| Domain | Stack & Technologies |
|---|---|
| 📱 Mobile & Native | |
| 🌐 Web & Frontend | |
| ⚙️ Backend & Cloud | |
| 🗄️ Database & Storage | |
| 🤖 AI / ML & Vision | |
| 🎨 Design & Motion | |
| 🔧 Dev Tools & CI/CD |
AI Virtual Fitting Room Mobile App — Proprietary cosine alpha-blending ensures 100% face identity lock. Multi-provider AI (IDM-VTON, Replicate, Fal.ai) with in-app coin economy.
Privacy-First On-Device Document Scanner & OCR — 100% on-device ML Kit text extraction, offline neural translation in 50+ languages & local summarizer. Zero cloud uploads.
28+ Offline Early Childhood Learning Games — COPPA-compliant, ad-safe Flutter app teaching math, phonics, tracing & logic. Built with Riverpod & zero-latency audio engine.
Zero-Fee Self-Hosted UPI & COD Engine — Universal drop-in JavaScript checkout, instant dynamic QR payments, WhatsApp OTP verification & webhook automation.
Unified Multi-Provider AI Gateway — Single endpoint routing 375 providers & 1,400+ models. Token compression algorithms saving 15–95% on API costs with auto-fallback.
Ultra-Low Latency Phone-to-PC Mirroring & Virtual Camera — DirectShow virtual camera, isolated multi-track audio streaming, AI face beauty & background blur, and zero-click mDNS discovery.
| Repository | Focus Area | Access |
|---|---|---|
| free-for-dev | Curated list of SaaS, PaaS, and IaaS software offering free developer tiers | Browse ↗ |
| agentic-awesome-skills | Curated skills, tools, and configurations for autonomous AI coding agents | Browse ↗ |
| ponytail | Autonomous agent memory, persistent logging, and context-preservation toolkit | Browse ↗ |
| unslop | AI code review and cleanup engine eliminating anti-patterns and slop | Browse ↗ |
| ArrowPuzzle | Minimalist directional logic puzzle game with tactile haptics & 60 FPS engine | Browse ↗ |
Have a product idea, startup MVP, or contract? Let's turn your vision into high-performance software.
⚡ Engineered with precision by @OPSHARP • 60/120 FPS performance • Zero bloat