Subrata Mukherjee

I help startups, businesses, and product companies build scalable, secure, and high-performance web applications from concept to production. With over 4 years of professional experience in full stack software development, I specialize in delivering modern SaaS platforms, enterprise applications, customer portals, dashboards, internal tools, and cloud-native web solutions.

My development approach focuses on clean architecture, maintainable code, exceptional user experience, and long-term scalability. Whether you need a new application built from scratch, feature enhancements, API integrations, performance optimization, or ongoing product development, I provide end-to-end engineering solutions tailored to your business goals.

My expertise includes
Full Stack Web Application Development
React.js & Next.js Development
Node.js & Express.js Backend Development
TypeScript & Modern JavaScript (ES6+)
REST API & GraphQL Development
PostgreSQL, MySQL, MongoDB & Redis
Authentication & Authorization (JWT, OAuth)
Real-time Applications using WebSockets
SaaS Product Development
Enterprise Dashboard Development
Cloud Deployment on AWS
Docker & Containerized Applications
CI/CD Pipeline Implementation
API Integration (Payment, Email, Third-party Services)
Performance Optimization & Scalability
Responsive UI Development
Bug Fixing & Legacy Application Modernization
Database Design & Query Optimization
Code Review & Refactoring
Agile Product Development
Industries I work with
SaaS Platforms
FinTech
E-Commerce
HRMS & ERP Systems
CRM Solutions
Healthcare Applications
Education Platforms
Internal Business Tools
Admin Dashboards
Marketplace Applications
Real Estate Platforms
Automotive Platforms
Technologies

Frontend

React.js
Next.js
TypeScript
JavaScript
Redux Toolkit
RTK Query
Tailwind CSS
HTML5
CSS3

Backend

Node.js
Express.js
REST APIs
GraphQL
WebSockets

Database

PostgreSQL
MySQL
MongoDB
Redis

Cloud & DevOps

AWS
Docker
Kubernetes
Git
GitHub
CI/CD
What you can expect
Production-ready, scalable code
Clean architecture and best engineering practices
Secure authentication and authorization
Responsive, mobile-friendly interfaces
Optimized performance and SEO
Well-documented APIs
Reliable communication and regular progress updates
Long-term maintenance and support

I am passionate about building reliable software that delivers measurable business value and excellent user experiences. Whether you're launching a new product, modernizing an existing platform, or extending your current application, I can help turn your ideas into scalable, high-quality software solutions.