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ranjithbrs/README.md
Ranjith B

πŸ‘‹ Hi, I'm Ranjith B

B.Tech in Computer Science & Business Systems (CSBS)
Nehru Institute of Engineering and Technology, Coimbatore (CGPA: 8.3 / 10.0 Β· Class of 2027)

πŸš€ Software Development Engineer (SDE) & Full-Stack Developer
Specializing in Enterprise Java (Spring Boot 3), Python (FastAPI / Gemini AI), JavaScript (React 18), and Relational Databases (SQL).


Portfolio LinkedIn Resume PDF Medium Email Credentials


πŸ’‘ Professional Summary & Identity

I am a final-year Computer Science & Business Systems (CSBS) undergraduate student with a focus on robust software engineering, scalable web architectures, and applied artificial intelligence.

Core Technical Competencies:

  • β˜• Backend & Enterprise Java: Engineering microservices and REST APIs with Java 21, Spring Boot 3, Spring Data JPA, and relational SQL (MySQL / PostgreSQL), focusing on transaction integrity and defensive validation.
  • 🐍 Python & Autonomous AI Systems: Developing agentic pipelines and data services using Python 3, FastAPI, Flask, and Google Gemini 2.0 Flash with Server-Sent Events (SSE) streaming.
  • 🌐 Modern Frontend Engineering: Architecting responsive web applications with JavaScript (ES6+), TypeScript, React 18, and Tailwind CSS, integrated with cloud persistence layers like Supabase and Firebase.
  • πŸ›‘οΈ Security & System Diagnostics: Practical network packet inspection and vulnerability auditing with Wireshark (NoviTech R&D Internship) and zero-trust cryptographic verification (SHA-256).
  • 🎯 Career Objective: Actively seeking campus placement and entry-level opportunities as a Software Development Engineer (SDE), Java Backend Developer, or Full-Stack Engineer.

πŸ“Œ Recommended Pinned Repositories

These six projects best represent my technical capabilities across backend engineering, autonomous AI agents, full-stack systems, and security:

Pinned Repository Core Focus Architecture & Key Deliverables Tech Stack
Online-Examination-System Enterprise Java Proctored online exam engine with browser anti-cheating tab-switch detection, Weighted Trust Index scoring, and Docker containerization. Java 21 Β· Spring Boot 3 Β· MySQL Β· Docker Β· Render
reponarrator-ai Autonomous AI Agents 4-agent autonomous pipeline analyzing public GitHub repositories and streaming live Reveal.js slide decks via Server-Sent Events. Python Β· Gemini 2.0 Flash Β· Flask / SSE Β· Reveal.js
mediq-web Full-Stack PWA Healthcare and doctor appointment booking platform with live geolocation hospital maps, multi-role RBAC, and Razorpay checkout. React 18 Β· TypeScript Β· Supabase Β· Capacitor Β· Vercel
CertValid Security & Cryptography Tamper-proof certificate verification platform pairing dynamic QR code scanning with SHA-256 cryptographic hash validation. Python Β· Flask Β· SHA-256 Β· SQLite Β· PythonAnywhere
ner-landslide-early-warning Predictive ML & GIS Geohazard early warning system for North East India featuring a 95.89% recall Random Forest classifier and interactive Leaflet GIS. Python Β· Scikit-Learn Β· Leaflet GIS Β· Docker
portfolio Web & Showcase Clean, responsive developer portfolio featuring dark glassmorphism, 4 domain-filtered project hubs, and zero external JS frameworks. HTML5 Β· CSS3 Β· JavaScript Β· GitHub Pages

πŸš€ Repository Portfolio Breakdown

To provide transparent, honest framing for recruiters, my repositories are structured into three distinct categories:

1. 🌟 Flagship Production & Full-Stack Projects

Original software applications built end-to-end with full frontend, backend, database, and cloud deployments:

Project Domain Architecture & Description Links
Online Examination System Java / Security Enterprise assessment platform with real-time browser tab-switch listeners, Weighted Trust Index scoring, and Dockerized deployment. Repo πŸ’» Β· Live Demo πŸš€ Β· Medium πŸ“–
MediQ Telemedicine Platform Full-Stack PWA Healthcare platform featuring live doctor availability, hospital geolocation maps, Razorpay checkout, and digital prescriptions. Repo πŸ’» Β· Live App πŸš€
RepoNarrator AI Multi-Agent AI Autonomous 4-agent system transforming GitHub codebases into Reveal.js slide decks with real-time SSE progress streaming. Repo πŸ’» Β· Live App πŸš€ Β· Medium πŸ“–
CertValid Verification System Security / Crypto Cryptographic credential authentication platform with SHA-256 tamper detection and dynamic QR verification. Repo πŸ’» Β· Live Demo πŸš€ Β· Medium πŸ“–
Career Copilot Multi-Agent OS AI Productivity Interconnected 6-agent operating system coordinating task backlogs, email radaring, and daily briefings via SQLite shared memory. Repo πŸ’»
PHC Doctor Attendance System Java / Geo-tracking Doctor attendance tracking system combining Haversine GPS geofencing, GitHub Pages UI, and containerized Railway MySQL backend. Repo πŸ’» Β· Live App πŸš€
Employee AI Task Review Full-Stack AI Enterprise task lifecycle portal pairing a React UI with FastAPI backend and Gemini AI automated performance scoring. Repo πŸ’»
Secure AI Journal App Cloud / GenAI Mental health sentiment analysis app deployed to Google Cloud Run with zero hardcoded secrets via Secret Manager. Repo πŸ’» Β· Live Site πŸš€

2. πŸ§ͺ Cloud Technical Labs & Training Coursework

Structured technical lab exercises completed as part of certified cloud engineering coursework with transparent attribution:

Lab / Coursework Cloud Provider / Program Implementation Scope Links
Illustration Agent (A2A) Google Cloud (GENAI120) Developed illustrate_text agent skill using Google ADK and A2A SDK; configured service-account impersonation and Cloud Run deployment with offline fallback guarantees (100/100 score). Repo πŸ’»
Gemini Enterprise Series Google Cloud (Enterprise Series) Cloud architecture coursework covering Workspace RAG (Google Drive/Calendar integrations) and Agentic BigQuery analytics pipelines. Repo πŸ’»

3. πŸ“š Algorithms, Problem Solving & Practice Collections

Defensively programmed algorithm exercises, CLI tools, and data engineering practice scripts:

Practice Collection Focus Area Description & Quality Metrics Tech Stack Links
Mini-RealWorld-Systems-Pack Systems & DSA Modular business logic simulators (loan underwriting, dynamic pricing, cab surge) and DSA algorithms (Greedy vs DP, Two Sum Hash Map) with 24 automated unit tests. Python Β· DSA Β· Unittest Repo πŸ’»
Linux CLI To-Do List Linux / Bash Lightweight, zero-overhead task manager in pure GNU Bash and POSIX coreutils (sed, nl, wc) with directory-anchored persistence and 17 automated tests. GNU Bash Β· POSIX Β· Shell Repo πŸ’»
Books Web Scraping & EDA Data Engineering 50-page web crawler with requests session pooling, RFC 9309 robots compliance, and clean UTF-8 dataset paired with 1,000+ record exploratory data analysis. Python Β· BeautifulSoup Β· Pandas Scraper πŸ’» Β· EDA πŸ“Š
Modern Login Interface Frontend / Accessibility Accessible, mobile-first dark authentication prototype with live password strength metering, client-side validation, and security architecture disclaimers. HTML5 Β· CSS3 Β· Modern JS Repo πŸ’» Β· Live Demo πŸš€
AdvSciCalcGUI Application Desktop Software Desktop scientific calculator with dark-themed Tkinter GUI, decoupled MVC architecture, and standalone Windows .exe packaging. Python Β· Tkinter Β· PyInstaller Repo πŸ’» Β· Download πŸ“¦

πŸ’Ό Industry Experience

Organization Role Location Focus Areas Verification
NoviTech R&D Private Limited Cybersecurity Intern Coimbatore, India Network monitoring, Wireshark packet capture, vulnerability assessment, OWASP Top 10 mitigation strategies. Certificate πŸ”—

🧠 Technical Skills & Verified Implementations

Programming Languages

Java Python SQL JavaScript TypeScript Bash

Backend Frameworks & Web Platforms

Spring Boot Spring Data JPA FastAPI Flask React Tailwind CSS

AI, Data & Agentic Frameworks

Google Gemini Google ADK Scikit-Learn Pandas NumPy

Databases, Cloud & DevOps

MySQL Supabase SQLite Docker Google Cloud Run Render Vercel Git Wireshark


πŸ† Certifications & Continuous Learning

πŸ… Verified Completed Certifications

Credential Name Issuing Authority Verification Status Document Link
πŸ… Agentic AI Architecture Google Completed Credly Badge πŸ”—
πŸ€– AI & Machine Learning Google for Developers Completed Verified πŸ“
🧠 Generative AI & Deep Learning EduSkills Foundation Completed Verified πŸ“
πŸ“± Android App Development Google for Developers Completed Verified πŸ“
⛓️ Blockchain Architecture & Design NPTEL (IIT Kharagpur) Completed Verified πŸ“
🌐 Internet of Things (IoT) NPTEL (IIT Bombay) Completed Verified πŸ“
πŸ“Š Data Science Master Certification Altair Engineering Completed Verified πŸ“
πŸ“ˆ Business Analytics & Process Mining Celonis Academy Completed Verified πŸ“
β˜• Java (Basic) Assessment HackerRank Completed Verified πŸ“
🐍 Python (Basic) Assessment HackerRank Completed Verified πŸ“

πŸ‘‰ All credential documents and verification letters are available in the public Google Drive Folder.

πŸ”„ Ongoing Learning & Active Specializations

  • πŸ—οΈ Distributed Systems & Microservices Design Patterns: Exploring event-driven architectures with Apache Kafka, circuit breaker resiliency, and distributed caching in Spring Boot.
  • ☁️ Cloud Native Kubernetes (K8s): Practicing container orchestration, ingress controllers, and Helm charts for multi-container deployments.
  • πŸ€– Advanced Agentic AI & RAG Orchestration: Deepening expertise in multi-modal vector search, graph databases (Neo4j), and agent tool protocols.

πŸ“Š GitHub Analytics & Activity

Ranjith's GitHub Stats Top Languages

"Writing clean, well-tested code and engineering transparent, reliable software systems."

Open to Software Development Engineer (SDE) and Graduate Engineering Trainee opportunities. Connect on LinkedIn or via Email.

Pinned Loading

  1. reponarrator-ai reponarrator-ai Public

    Autonomous multi-agent AI system that transforms any GitHub repository into an interactive, narrated presentation deck with live architecture analysis and AI voiceover.

    Python 2

  2. mediq-web mediq-web Public

    Forked from SANTHOSH040106/mediq-web

    Full-stack healthcare & telemedicine platform for doctor appointment booking, hospital discovery with maps, emergency services, and Razorpay payments. Built with React, TypeScript, and Supabase.

    TypeScript 1

  3. Online-Examination-System Online-Examination-System Public

    Online Examination System built with Java, Spring Boot, and MySQL β€” includes candidate portal and teacher audit dashboard.

    Java 1 1

  4. CertValid CertValid Public

    Certificate validation system using QR and SHA‑256 encryption.

    Python 1

  5. AdvSciCalcGUI AdvSciCalcGUI Public

    A modern scientific calculator in Python with an interactive dark-themed Tkinter GUI and synchronized CLI math engine.

    Python 2

  6. phc-doctor-attendance-system phc-doctor-attendance-system Public

    Doctor attendance tracking system with frontend on GitHub Pages, backend REST API on Render (Docker), and Railway MySQL database.

    Java 1