React · Node.js · REST APIs · AWS · Docker

Cloud-Based
Full-Stack Web App

Scalable full-stack web application with secure REST APIs, containerized backend deployment on AWS, and optimized React frontend — built for 500+ concurrent users with sub-second response times.

500+concurrent users
35%latency reduction
25%faster page loads
12+SQL tables
React.jsRedux Node.jsExpress.js REST APIsPostgreSQL MongoDBAWS DockerJWT Auth
01

Overview

Full-stack web application built end-to-end — React frontend with optimized state management, Node.js/Express backend with secure REST APIs, containerized with Docker and deployed on AWS. Designed and optimized for real-world production workloads supporting 500+ active users.

500+active users supported
35%query latency reduced
25%page load improvement
02

Tech Stack

Frontend
FrameworkReact.js
State ManagementRedux / Context API
StylingTailwind CSS
Real-timeWebSockets
Backend
RuntimeNode.js
FrameworkExpress.js
AuthJWT / OAuth 2.0
APIsREST + Microservices
Database
PrimaryPostgreSQL
NoSQLMongoDB
Schema12+ tables optimized
OptimizationIndexing + Query tuning
Cloud & DevOps
CloudAWS EC2 + S3
ContainersDocker
CI/CDGitHub Actions
Version ControlGit
03

Key Features and Optimizations

FeatureImplementationImpact
API DesignRESTful with versioning and auth middlewareClean separation of concerns
Database OptimizationIndexing + query restructuring across 12+ tables35% latency reduction
Frontend PerformanceReact state management + API call batching25% faster page loads
AuthenticationJWT tokens + OAuth 2.0 flowSecure, stateless sessions
Cloud DeploymentDockerized backend on AWS EC2Scalable, reliable hosting
ScalabilityMicroservices architecture with load balancing500+ concurrent users

Features delivered independently from spec to deployment — coordinating with stakeholders to iterate based on real usage feedback. Identified and resolved performance bottlenecks in SQL query patterns and React rendering cycles under production workloads.