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Raushankumar0720/README.md

Raushan Kumar Banner

Typing SVG

Open to Opportunities Profile Views Core Stack LeetCode


 Hello, World! I'm Raushan

I'm a Software Engineer focused on backend architecture, performant REST APIs, and algorithmic problem solving. I enjoy writing clean, modular code and understanding systems from the HTTP request lifecycle down to database aggregation pipelines.

  • 🚀 Backend & APIs: Building scalable services with Node.js, Express, and TypeScript with clean MVC architecture.
  • 🗄️ Data Pipelines: Designing multi-stage MongoDB aggregation pipelines, indexing strategies, and PostgreSQL schemas.
  • 🧩 Problem Solving: Actively mastering Data Structures & Algorithms in C++ with a daily streak on LeetCode.
  • 🎥 Technical Creator: Sharing in-depth algorithmic walkthroughs, intuition, and code breakdowns on YouTube.
  • 🛠️ System Standards: Enforcing secure JWT authentication, structured error handling, and Docker containerization.

🌐 Let's Connect & Collaborate:

Portfolio LinkedIn LeetCode YouTube X

Raushan Kumar Developer Animation

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👀 Profile Views 👤 GitHub Followers ⭐ Total Stars 🧩 Problem Solving
Views Followers Stars LeetCode

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🛠️ Tech Stack & Arsenal

Languages

Backend & Architecture

Frontend & UI

Databases & Caching

Tools & DevOps

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🚀 Featured Engineering Projects

01 Amazon Orders Analytics Backend

Production-grade e-commerce analytics backend with MongoDB aggregation pipelines

  • Scalable MVC Architecture: Clean separation between routing, controllers, and data services.
  • Advanced Aggregations: Multi-stage pipeline computing dynamic revenue, volume, and customer trends.
  • Query Engine: Cursor-based pagination, multi-field filtering, and price-range sorting.
  • JWT Security: Role-based authorization and centralized error handling middleware.

View Repository →

02 Digital Twin Autopilot

Autonomous AI persona clone & telemetry console with real-time event flow

  • Telemetry Dashboard: Single-page React/Vite console designed with executive telemetry panels.
  • Low-Latency Inference: Sub-second contextual persona replies powered by Groq LPU engine.
  • Event Automation: Real-time background listener daemon with automated contact whitelisting.
  • Slang & Personality Dial: Custom heuristic matching engine mimicking realistic conversational cadence.

View Repository →

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📊 GitHub Arsenal & Activity

GitHub Stats Top Languages

GitHub Streak

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🧩 Problem Solving & Algorithmic Rigor

Primary Language: C++  |  Platforms: LeetCode  •  GeeksforGeeks

LeetCode Heatmap & Stats

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🎥 Building in Public (YouTube Channel)

I create in-depth video walkthroughs explaining intuition, data structure selection, and optimal time/space complexity analysis in C++.

01 · Maximum Product of Two Elements — LeetCode 1464
02 · Longest Common Prefix — LeetCode 14 		03 · Reverse Integer — LeetCode 7
04 · Median of Two Sorted Arrays — LeetCode 4

Subscribe on YouTube

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🐍 Contribution Grid Snake

GitHub Contribution Snake Animation

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Footer Wave

Crafted with discipline, caffeine & clean code • © 2026 Raushan Kumar

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  1. digital-twin-autopilot digital-twin-autopilot Public

    A personal AI clone & digital twin dashboard that integrates with communication platforms (Telegram, Discord, Gmail) to automatically handle replies. Mimics custom slang, typing dynamics, and conte…

    JavaScript 1 1

  2. bynd bynd Public

    Forked from codinggita/bynd

    BYND syncs Excel, CRM & invoices in real‑time, two‑way, with zero code. Built‑in conflict resolution and automatic tax compliance for global teams. Saves hours, eliminates errors.

    JavaScript 1

  3. AlgoRangers AlgoRangers Public

    Forked from ankitkumar764/AlgoRangers

    🚀 Algo Rangers – AI‑powered career acceleration. Deterministic, explainable, and reproducible learning paths. Resume → Skills → Confidence → Optimized Path.

    JavaScript

  4. amazon_orders_raushan_kumar amazon_orders_raushan_kumar Public

    Forked from codinggita/amazon_orders_raushan_kumar

    Production-grade e-commerce analytics backend built with Node.js, Express.js, MongoDB, and Mongoose using the `amazon_orders` dataset. Features scalable REST APIs with MVC architecture, JWT authent…

    JavaScript

  5. contentcraft-ai contentcraft-ai Public

    Forked from Kshitij-Pandey2605/contentcraft-ai

    JavaScript

  6. UI-Intelligence-Engine UI-Intelligence-Engine Public

    The UI Intelligence Engine isn't just a generator—it's an Analytical Design Ledger. It combines high-fidelity AI simulation with deep engineering audits to ensure every component generated meets el…

    JavaScript 1