Hi, I'm

Nishal Devadiga

Full Stack Developer Specializing in End-to-End Solutions & Modern Web Architecture

I craft complete web applications from responsive frontends to scalable backends. Experienced in modern frameworks, cloud deployment, and building production-ready full-stack solutions for healthcare and enterprise platforms.

React & Next.jsNode.js & FastAPITypeScriptPostgreSQLDockerAWSTailwind CSSMicroservices

Featured Full Stack Project

Aarogya Sampark Healthcare Platform

Role: Full Stack Developer (Contract)

The Challenge:

Built a comprehensive healthcare ecosystem from the ground up, creating both frontend interfaces and backend infrastructure. Developed responsive React components for multiple user roles (Patients, Labs, Doctors, Admins) while architecting robust APIs with complex business logic including multi-level referral commissions, subscription management, automated appointment scheduling, secure payment processing, and HIPAA-compliant media handling—all deployed on cloud infrastructure with high availability and security.

System Architecture

High-level system design overview

Healthcare Platform Architecture - System flow showing multi-role users, load balancer, API gateway, and data services
Click to expand

Full Stack Features & Engineering Solutions:

Responsive Frontend Design

Built modern React interfaces with Tailwind CSS, implementing role-based dashboards and mobile-first design patterns

Multi-Level Referral System

Engineered full-stack commission structure with React admin panels and Node.js backend for real-time calculations

Smart Appointment Engine

Developed calendar components and booking flows with intelligent backend slot generation and availability management

Payment Integration

Full-stack Razorpay integration with React checkout flows, webhook handling, and automated refund management

User Authentication & RBAC

Implemented JWT authentication with React context, protected routes, and granular permission-based UI rendering

Media Management System

Built file upload components with drag-drop, image preview, S3 integration, and secure media streaming

Full Stack Technical Achievements:

Modern Frontend Architecture:

Built responsive React applications with TypeScript, implementing state management, custom hooks, and optimized component architecture for seamless user experience

Scalable Backend Systems:

Designed RESTful APIs with Node.js/Express, implemented caching strategies with Redis, and achieved 50% latency reduction while handling 150+ concurrent users

End-to-End Authentication:

Implemented complete auth flow from React login forms to JWT middleware, including password reset, email verification, and role-based access control

Cloud Deployment & DevOps:

Deployed full-stack applications using Docker containers, implemented CI/CD pipelines, and managed AWS services for scalable production environments

Complete Full Stack Tech Stack:

Frontend: React, Next.js, TypeScript, Tailwind CSS, Context API

Backend: Node.js, Express.js, FastAPI, JWT Authentication

Database: MySQL, PostgreSQL, Redis Cache, Query Optimization

Cloud & DevOps: AWS (S3, EC2, Lambda), Docker, CI/CD Pipelines

Payments & APIs: Razorpay, RESTful APIs, Webhook Processing

Security: RBAC, OAuth2, Data Encryption, CORS, Input Validation

Passion Project

Sweepzy - Civic Impact Platform

Role: Full Stack Developer

A comprehensive full-stack civic engagement platform built with modern web technologies. Features responsive React frontend with multilingual support, FastAPI backend microservices, and real-time geospatial functionality for community-driven civic reporting.

Full Stack Technical Highlights:

Frontend Excellence

Built with Next.js, Tailwind CSS, and TypeScript featuring responsive design, dynamic forms, and seamless user interactions

Backend Architecture

FastAPI microservices with PostgreSQL, implementing geospatial queries and RESTful API design patterns

DevOps & Deployment

Fully containerized with Docker, automated CI/CD pipelines, and zero-downtime deployments on Fly.io cloud platform

Sweepzy Landing Page

Live Platform

Fully functional web application

Try Live Demo

Full Stack Technical Arsenal

Frontend Development

  • React & Next.js
  • TypeScript
  • Tailwind CSS
  • HTML5/CSS3

Backend Development

  • Node.js
  • FastAPI
  • Express.js
  • RESTful APIs

Database & Storage

  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis
  • Query Optimization

DevOps & Cloud

  • Docker
  • AWS (S3, EC2, Lambda)
  • CI/CD Pipelines
  • Git/GitHub
  • Nginx

Professional Timeline

Full Stack Developer (Contract)

Aug 2024 - Present

IR Infotech

Lead developer for comprehensive healthcare platform, handling both frontend React development and backend API architecture.

Full Stack Developer Intern

Feb 2024 - June 2024

Developed full-stack applications using React, Node.js, and modern web technologies. Built responsive user interfaces and RESTful APIs.

B.E. Computer Science

2025 Graduate

Mangalore Institute of Technology & Engineering