Portfolio

Software Engineering Projects

Select any project to view its problem statement, architectural breakdown, technology stack, and capabilities.

Showing 5 Projects

Full-Stack & Mobile Full-Stack & Mobile Engineer

Architecture & Case Study Ready • Screenshot slot available in static/projects/

2 Slots

Defect Tracking System & Mobile Application

Unified Full-Stack Web & Cross-Platform Mobile Issue Lifecycle Platform

Developed a full-stack defect management platform supporting project workflows, defect tracking, secure authentication, role-based access control, project dashboards, defect filtering, risk analysis, and data visualization across both web and mobile clients.

Architecture Flow

3 Layers

Java & Spring Boot REST API + JWT/RBAC → PostgreSQL | Clients: React.js Web & React Native (Expo + TypeScript)

JavaSpring BootPostgreSQLReact.jsReact NativeExpoTypeScriptJWTREST APIs

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Full-Stack Web Full-Stack Developer

Architecture & Case Study Ready • Screenshot slot available in static/projects/

2 Slots

GK Tennis Academy Management System

Court Booking, Coaching & Tournament Operations Platform

Developed a tennis academy management platform supporting court bookings, coach scheduling, tournament management, player registration, role-based access control, payment workflows, and real-time booking availability.

Architecture Flow

3 Layers

Next.js + React + TypeScript (Tailwind CSS) → Supabase & PostgreSQL (RBAC, Bookings & Tournaments)

ReactNext.jsTypeScriptSupabaseTailwind CSSPostgreSQL

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Full-Stack Web (MERN) Full-Stack MERN Developer

Architecture & Case Study Ready • Screenshot slot available in static/projects/

2 Slots

Channeling Center Management System

MERN Stack Healthcare Appointment, Patient Records & Pharmacy Inventory Platform

Developed a healthcare appointment and management system supporting patient records, medical histories, medicine inventory, role-based access control, and online payments.

Architecture Flow

3 Layers

React.js + Tailwind CSS → Node.js & Express.js REST API (RBAC & Payments) → MongoDB

MongoDBExpress.jsReact.jsNode.jsTailwind CSS

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Mobile & Full-Stack Mobile & Full-Stack Developer

Architecture & Case Study Ready • Screenshot slot available in static/projects/

1 Slot

Expense Tracker Mobile Application

Cross-Platform Flutter & Node.js Personal Finance Platform

Developed a full-stack mobile expense tracking application with expense management, REST API integration, persistent storage, real-time synchronization, and modular architecture.

Architecture Flow

3 Layers

Flutter & Dart Mobile Client ↔ REST APIs ↔ Node.js & Express.js ↔ MongoDB Persistent Store

FlutterDartNode.jsExpress.jsMongoDBREST APIs

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Full-Stack & Cloud Full-Stack Developer

Architecture & Case Study Ready • Screenshot slot available in static/projects/

1 Slot

Library Management System

Cloud-Deployed Student, Catalog & Circulation Management Platform

Developed a full-stack library management system with student/book management, borrowing and returning workflows, REST API integration, and automated deployment.

Architecture Flow

3 Layers

React & TypeScript → Java & Spring Boot REST API → PostgreSQL | CI/CD: GitHub Actions → Azure

JavaSpring BootReactTypeScriptPostgreSQLGitHub ActionsAzure

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Open for Software Engineering Opportunities

Looking for an Associate / Junior Software Engineer, Full-Stack, or Backend Developer?

Explore my project architecture breakdowns or reach out directly at k.kajan2001@gmail.com to discuss full-stack, mobile, and backend engineering roles.

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