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Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: QuickdrawAchievement: Pull Shark

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shubhamc1947/README.md

Hi, I'm Shubham 👋

Software Engineer | Scalable Backend Systems | Frontend Performance Expert

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🚀 Professional Summary

Full-stack engineer with 3+ years of experience building production systems that handle 1M+ requests/day — Go and Node.js backends, React/Next.js frontends, AWS infrastructure. Lately deep in LLM tooling: MCP servers, OAuth 2.1 for agent clients, and local-model workflows.

🔨 Featured Projects

Project What it is
todo-mcp-server MCP server with a from-scratch OAuth 2.1 authorization server — dynamic client registration (RFC 7591), PKCE S256, audience-bound JWTs. Connect Claude to it end to end.
safemap Thread-safe sharded key-value store in Go — per-bucket RWMutexes, TTL, rate limiting, atomic metrics.
balancerx Load balancer in Go with four routing strategies, active health checks, and a real-time dashboard.
mock-excalidraw Collaborative whiteboard — turn-based edit locks, version history, role-based sharing. Next.js 16 + MongoDB, 125 tests. (live)
ProspectIQ Paste a company URL → AI-generated B2B sales-fit report with ICP scoring.

🛠 Tech Stack

I focus on using the right tool for the job. Here are the technologies I work with professionally:

Category Technologies
Languages Go NodeJS Python Java TypeScript
Frontend React NextJS Tailwind
Backend & DB Postgres MySQL DynamoDB Redis MongoDB
Cloud & DevOps AWS Docker Git Linux

✍️ Technical Writing

I write about system design, frontend optimization, and software engineering best practices.

🔗 Coding Profiles

My Contributions


github contribution grid snake animation

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  1. Colla8-Code Colla8-Code Public

    Collab Coding with this solution.

    JavaScript 2 1

  2. safemap safemap Public

    Thread-safe Go map using sharding (lock striping) to reduce mutex contention under concurrent load

    Go 1

  3. balancerx balancerx Public

    A lightweight, dynamic, and customizable Load Balancer built in Go (Golang) with multiple routing strategies, active health checks, real-time dashboard, and live backend management.

    Go

  4. mock-excalidraw mock-excalidraw Public

    Collaborative whiteboard built on Excalidraw - folders, role-based sharing, turn-based edit locks, version history, comments, trash with auto-purge. Next.js 16, MongoDB, Auth.js, 21 unit/integratio…

    TypeScript

  5. ProspectIQ ProspectIQ Public

    Know if they're a fit before you reach out

    TypeScript

  6. todo-mcp-server todo-mcp-server Public

    MCP server with a from-scratch OAuth 2.1 authorization server (DCR, PKCE, audience-bound JWTs) inside a Next.js todo app - connect Claude to it end to end

    TypeScript