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subhasankarsahu/README.md
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Hi, I'm Subha

Typing SVG

Full-Stack Developer | Backend Systems | Security-Focused Engineering

Computer Science & Engineering student who learns by building, and by understanding how things work under the hood instead of just following tutorials.

CyberGuard • Working On • Projects • Tech Stack • Learning • Goals • Connect


Featured Project: CyberGuard

AI-powered cyber defense platform. Detect threats in seconds. Respond in minutes. Protect everyone.

CyberGuard combines real-time threat detection with automated security operations. It protects individual users from phishing, malware, and deepfakes, and gives enterprise security teams AI-assisted investigation and automated response. It targets the gap between traditional rule-based tools and modern AI-generated attacks.

Area What it does
Detection Six ML engines covering phishing, malicious URLs, deepfakes, login anomalies, secret exposure, and DDoS. Real-time threat scoring from Safe to Critical, with plain-English explanations of each verdict.
Security operations AI Security Copilot for conversational incident investigation, SOAR playbooks and case management, IOC investigation (IP, domain, URL, hash, email), and multi-level approval workflows.
Enterprise agent Python agent for Windows and Linux with endpoint telemetry, automated firewall rules, and remote command execution.
Platform Multi-tenant isolation with PostgreSQL row-level security, JWT + RBAC, append-only audit logging, and WebSocket real-time alerts.


What I'm Working On

  • Building SHADEN, a full-stack streetwear e-commerce platform with React, Node.js, Express.js, and PostgreSQL
  • Building JB Ride, a real-time ride-booking app with React Native, Expo, Socket.IO, PostgreSQL, and Redis
  • Learning AWS and Linux by deploying my projects to real servers instead of only running them locally
  • Learning Next.js and applying server-side rendering to my e-commerce work
  • Practicing system design, caching strategies, and production-ready API architecture
  • Solving DSA problems consistently, with a focus on patterns over memorizing solutions

More Projects

Project What it is Stack
SHADEN Streetwear e-commerce platform with product browsing, search and filters, authentication, cart, wishlist, secure checkout, order management, and an admin dashboard for products and inventory. React Node.js Express PostgreSQL
LearnVaultX (live) AI-driven adaptive learning platform with interactive quizzes, student and teacher dashboards, learning analytics, and an AI tutor. React Node.js AI
StreamCore Full-stack media application with JWT auth and Cloudinary uploads. Frontend and backend containerized with Docker Compose, Nginx serving the frontend. React Express MongoDB Docker Nginx
CodeSift AI AI-powered code review and security analysis. Flags potential vulnerabilities in pull requests, explains the risks, and supports policy-based review. AI APIs Node.js Security
JB Ride Ride-booking app with real-time updates. React Native Expo Express PostgreSQL Redis Socket.IO

Tech Stack

Languages and Core Tools

Frontend and Mobile

Backend and Real-Time

Databases and Caching

AI / ML and Computer Vision

DevOps and Cloud


Currently Learning & Exploring

Area Focus
AWS Cloud fundamentals, EC2, S3, IAM, RDS, deployment
Linux Command line, server administration, permissions
Next.js Server-side rendering, routing, full-stack architecture
Redis Caching, session management, background jobs
React Native Cross-platform mobile development
E-commerce Engineering Cart, checkout, payments, and inventory through SHADEN
PostgreSQL Relational design, queries, data modeling
DevOps Docker, Docker Compose, Nginx, production deployment
System Design API architecture, scalability, caching, backend design
DSA Pattern-based problem solving, consistent LeetCode practice

Featured Areas of Interest

Full-Stack Development · Backend Engineering · Cybersecurity · API Design & Database Architecture · System Design · Cloud Computing & DevOps · AI Integration & Computer Vision · Real-Time Applications · DSA & LeetCode


Goals

  • Become a strong software engineer with deep full-stack and backend expertise
  • Build scalable, maintainable, production-oriented applications
  • Ship practical AI-powered and security-focused products that solve real problems
  • Sharpen system design and problem-solving skills
  • Build a portfolio that shows both engineering depth and product thinking

GitHub Stats


Connect With Me

Fun fact: I'd rather break something and understand why than copy a tutorial and not know how it works.

Thanks for visiting my profile!

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  1. Project_LearnVaultX Project_LearnVaultX Public

    LearnVaultX - AI Driven Learning Platform

  2. Project-Stream-Core Project-Stream-Core Public

    A production-style backend for a video platform built while learning full backend development.

    JavaScript

  3. REACT-MINI-PROJECTS REACT-MINI-PROJECTS Public

    JavaScript

  4. DSA DSA Public

    Practicing DSA concepts

    Jupyter Notebook

  5. LeetCode LeetCode Public

    A collection of LeetCode questions to ace the coding interview! - Created using [LeetHub v2](https://github.com/arunbhardwaj/LeetHub-2.0)

    C++