Full-Stack Web Application Development

Programming & Development Programming & Software

$5/hr Starting at $25

I am Rahul Kumar, a Computer Science graduate (CGPA 8.2/10) and a Full-Stack Developer specializing in building scalable, real-world SaaS applications using Java Spring Boot and React.js.

I have hands-on experience developing enterprise-level systems, including multi-tenant SaaS platforms, e-commerce applications, and secure authentication systems. I also hold a Pre-Placement Offer (PPO), which reflects the quality and industry relevance of my work.

I focus on delivering clean, maintainable, and high-performance solutions that solve real business problems.

💡 Services Offered:

Full-Stack Web Development (Spring Boot + React.js)
REST API Design & Third-Party API Integration
Secure Authentication (JWT, RBAC)
Scalable Backend Systems & Microservices Architecture
Responsive UI Development (React.js, Tailwind CSS)
Database Design & Optimization (MySQL, PostgreSQL, MongoDB)
SaaS Platforms, Admin Dashboards, E-Commerce Systems
Bug Fixing, Code Optimization, and Performance Improvements

🚀 Projects Delivered:

Multi-Tenant SaaS POS & Inventory System (optimized database performance by 40%)
SaaS-Based Hotel Management Platform (Microservices architecture)
Aadhaar e-KYC Verification System (real-time processing under 2 seconds)
Full-Stack E-Commerce Application (Redux Toolkit + Spring Boot)
Smart Contact Manager with secure authentication & CRUD APIs

🎓 Certifications:

Programming in Java — NPTEL (IIT Certified)
Java Full Stack Development — Udemy

I am committed to writing clean code, meeting deadlines, and delivering reliable solutions. I aim to build long-term professional relationships by providing consistent quality and clear communication.

For anyone looking for a developer who handles projects from backend to frontend with a practical and result-oriented approach — send a message and let's discuss your requirements.

About

$5/hr Ongoing

Download Resume