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🎯
🛠️ Building ChowkSpot
🎯
🛠️ Building ChowkSpot
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Achievement: Pull SharkAchievement: Quickdraw

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sharadj19/README.md

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📍 Chandigarh, India  •  Full-stack engineer building scalable APIs, real-time systems & distributed backends


GitHub LinkedIn Gmail Portfolio LeetCode Resume


  • 🔭 Currently building ChowkSpot - a real-time P2P local-services marketplace
  • 💼 Ex-Software Development Engineer Intern @ Quark Software Inc. - micro-frontends, REST APIs, distributed auth
  • 🎓 B.E. Computer Science, Chitkara University (2026)
  • ⚡ Focus areas: System Design • Microservices • Caching • Real-time Systems

🧰 Tech Stack

Languages & Frontend

Languages and frontend skills

Backend, Databases & Tools

Backend, database and tooling skills

Also worked with: OAuth2 • JWT • Swagger • Playwright • WebSockets


🏗️ Featured Project

ChowkSpot - Real-Time P2P Local Services Marketplace

Live Demo Source Code

A full-stack marketplace connecting customers with local service providers across 80+ specialized categories. Built on a relational schema with atomic transaction scripts, dual-token JWT authentication, and live booking updates over WebSockets.

React Node.js Express PostgreSQL Socket.io JWT Docker

  • ⚡ Real-time booking sync & client notifications via Socket.io
  • 🔐 Dual-token JWT refresh architecture enforcing role-based access control
  • 🩹 Custom exponential-backoff health check to mask serverless cold-start latency

💼 Experience

Software Development Engineer Intern · Quark Software Inc. - Mohali Jan 2026 - Jun 2026

  • Built and delivered 3 sidebar plugins using Angular & Node.js, cutting feature development time by 30%
  • Developed scalable REST APIs with validation, rate limiting & Redis caching, improving throughput by 20–30%
  • Implemented secure JWT/OAuth2 role-based auth across distributed microservices
  • Found and fixed 20+ critical bugs via Selenium automation, improving release stability
Show more highlights
  • Designed a micro-frontend plugin system enabling independent deployments and scalability
  • Optimized frontend rendering (lazy loading, change detection) and backend queries, reducing latency
  • Built 10+ reusable UI components and modular backend services, improving maintainability
  • Developed real-time systems using WebSockets for live updates and async message processing
  • Contributed to CI/CD pipeline improvements, automating build, test & deploy workflows
  • Designed and optimized database schemas and indexing strategies for efficient data retrieval

📊 GitHub Analytics

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🏆 LeetCode Stats

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  1. chowkspot chowkspot Public

    ⚡ Hyper-local P2P service marketplace with zero platform fees, direct payments, and verified reviews. Built for high performance, scale, and clean architecture. 🤝

    TypeScript

  2. dotfiles dotfiles Public

    💙 Sleek Arch + Sway Wayland setup styled in Tokyo Night. Features custom Waybar, Rofi, Foot terminal, Swayimg, and modular shell automation scripts. ⚙️

    Shell