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100NikhilBro/README.md
Backend Engineer · AI & Full-Stack Developer
Building backend systems, AI-powered applications, developer tooling, and engineering resources. 		Fail Better. Build Greater.

Engineering Portfolio

Published HiSecure · Express.js security middleware · 3.6K+ downloads.
Contributed 30+ merged open-source pull requests across BetterDB, FlagLint, AltimateAI, Cotabby, and other open-source projects.
Built ExpenseSync, CarbonFlow, Assignly, and HiSecure, spanning finance, sustainability, AI, and developer security.
Curating visual handbooks through Backend Engineering Foundations, Networks Foundation, OS & DBMS Foundation, Node.js Scaling Lab, and DevContainer Lab.
Recognized as a Hacktoberfest 2025 Supercontributor.
Reach me at 6174nikhilgupta@gmail.com.

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  1. backend-engineering-foundations backend-engineering-foundations Public

    Backend Engineering, Low-Level Design, System Design, Networking, Security, SQL, and Distributed Systems explained through visual diagrams.

    JavaScript 24 4

  2. networks-foundation networks-foundation Public

    Visual Computer Networks notes with diagrams for learning, revision, and interview preparation.

    9 1

  3. os_dbms os_dbms Public

    A visual-first repository for learning Operating Systems and Database Management Systems through structured diagrams.

    8

  4. hi-secure hi-secure Public

    HiSecure unifies authentication, validation, sanitization, rate-limiting, headers and parsing into a single, consistent security layer for Express applications.

    TypeScript 3

  5. ExpenseSync ExpenseSync Public

    A full-stack expense management app for shared group spending with automated settlements.

    TypeScript 3

  6. Assignly Assignly Public

    AI-powered Assessment Creator with Structured Generation, Validation & Real-Time Processing

    TypeScript 1