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atharvdange618/README.md

Atharv Dange | Full Stack Engineer

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Building scalable web applications and diving deep into auth, identity, and backend systems | MERN/PERN Stack | React Native

πŸ‘¨β€πŸ’» About Me

I'm a Full-stack engineer with a strong focus on the Node.js ecosystem and a habit of going deep on how things actually work - not just how to use them. That's led me to build everything from a from-scratch OpenID Connect Identity Provider to offline-first mobile tools. I care about understanding the protocols, the primitives, and the tradeoffs.

  • 🏒 Previously Software Engineer at Smartscripts Pvt. Ltd. (Mar 2024 – Mar 2026), building production platforms and mentoring junior developers
  • πŸ” Built OIDC: Identity Provider + Next.js SDK (Live Demo) - A from-scratch OpenID Connect IdP with PKCE, RSA JWT signing, refresh token rotation, and JWKS discovery (my deepest work yet)
  • 🌍 Built Tabi - Collaborative trip planning platform with RBAC and event-driven notifications
  • πŸ“± Built Shikai - Mobile-first GitHub dashboard with OAuth via Cloudflare Worker proxy and encrypted token storage
  • πŸ”­ Built Recon - Bug tracking intelligence system for QA testers
  • οΏ½ Ask me about Auth/Identity protocols, Backend Architecture, TypeScript, React Native, and Full Stack Development
  • ⚑ Fun fact: When I'm not coding, I'm probably watching movies, diving into a new anime series, or exploring the world with my gf

My Tech Stack


Tools


πŸ“ Latest Blog Posts

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  1. OIDC OIDC Public

    A from-scratch implementation of an OpenID Connect Identity Provider with full Single Sign-On (SSO), built to understand how auth systems actually work under the hood. No third-party auth libraries…

    TypeScript 7 2

  2. xml-sitemap-generator xml-sitemap-generator Public

    Smart, headless-powered XML sitemap generator for SSR & CSR websites. Crawls up to 1000 pages and outputs SEO-ready sitemaps.

    TypeScript 1

  3. Shikai Shikai Public

    Shikai is a mobile-first GitHub companion for developers who value clarity and sophistication.

    TypeScript 5 1

  4. Tabi Tabi Public

    Tabi is a full-stack collaborative trip planning web app designed for groups. Create a trip, invite members, build a day-wise itinerary, track your budget, manage files, and handle reservations in …

    TypeScript 6 1

  5. React-Markdown-Editor React-Markdown-Editor Public

    A modern, feature-rich markdown editor built with React and Tailwind CSS. It provides live preview capabilities, syntax highlighting, and supports multiple view modes.

    TypeScript 1

  6. Reiatsu Reiatsu Public

    A minimal, type-safe HTTP framework for Node.js built from first principles using zero dependencies. Production-ready with comprehensive security, performance optimizations, and modern developer ex…

    TypeScript 7 1