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subhaushsingh/README.md

Subh Aush Singh

Software Engineer • Full-Stack Development & Systems Architecture

EmailLinkedInX (Twitter)LeetCodePortfolio


Computer Science & Engineering student focused on building highly optimized full-stack applications and exploring low-level networking protocols.

Featured Projects

TCP HTTP Server

Zero-dependency HTTP/1.1 & WebSocket server built from scratch using Node's raw net module.

  • Implemented a dynamic TCP buffer, manual request/header parsing, and chunked transfer-encoding.
  • Built the RFC 6455 WebSocket protocol directly over TCP, handling Upgrade handshakes, masking, and frame fragmentation.
  • Engineered static file serving with 206 Partial Content (Range) and 304 Not Modified caching.

Aston Glass

Production landing page engineered for a manufacturing client.

  • Optimized frontend delivery to achieve a 0.9s Largest Contentful Paint (LCP).
  • Attained Lighthouse scores of 96 Accessibility, 96 Best Practices, 92 SEO, and 84 Performance.

Open Source Contributions

Repository Contribution Status
strapi/strapi PR #26421 — Guarded repeatable field .map() crash on relations Merged
emscripten-core/emscripten PR #26639 — Allowed overriding -jsD directives from cmdline Merged
emscripten-core/emscripten PR #26318 — Fixed missing $webSockets dependency Merged
CollaboraOnline/online PR #14444 — Rewrote create-l10n-all-js.pl in Python Merged
marketcalls/openalgo PR #898 — Added precise type hints to trading API helpers Merged
nextcloud/server PR #58370 — Removed redundant ext-json Composer requirement Merged

Technical Arsenal

  • Languages: C/C++, Python, JavaScript, TypeScript
  • Frontend: React, Next.js, Tailwind CSS
  • Backend: Node.js, Express
  • Databases: PostgreSQL, MongoDB
  • Tools & Infrastructure: Git, Prisma, Inngest, Supabase, Playwright

Pinned Loading

  1. Data-structures-and-Algorithm Data-structures-and-Algorithm Public

    C++

  2. Credex-Audit Credex-Audit Public

    TypeScript 1

  3. Aston-Glass Aston-Glass Public

    JavaScript

  4. Stock-app Stock-app Public

    Track real-time stock prices, get personalized alerts and explore.

    TypeScript