Top Full-Stack Developer
for Melbourne & Australia
React.js & Next.js · Node.js & FastAPI · PostgreSQL · Microservices
I'm Ramesh Kumar Das — a Senior Full-Stack Developer with 6.5+ years of production experience building scalable web applications, SaaS platforms, and distributed backend systems. I specialize in React.js, Next.js, Node.js, and FastAPI, delivering end-to-end solutions that businesses rely on. Currently at Kliky AI (Kuwait) leading full-stack development for a production AI SaaS platform. If you need a reliable, senior-level developer who ships clean, scalable code — let's talk.
Full-Stack Tech Stack
Production-grade tools I use to build and ship complete web applications
What I Can Build For Your Melbourne Business
Full-stack engineering services for startups, scale-ups, and enterprises
🚀 SaaS Platform Development
End-to-end SaaS platforms with user management, billing (Stripe/PayPal), multi-tenancy, dashboards, analytics, and scalable microservices architecture built with React/Next.js + FastAPI or Node.js.
⚡ REST API & Backend Systems
High-performance RESTful APIs and backend services using Node.js, Express.js, FastAPI, and Django with PostgreSQL/MongoDB, JWT auth, RBAC, and CI/CD deployment pipelines.
🌐 Full-Stack Web Applications
Complete web application development — from UI/UX implementation with React.js and Next.js, to backend APIs, database design, authentication, and cloud deployment using Docker and AWS.
🔄 Real-Time Applications
Real-time features using WebSockets, Redis pub/sub, and event-driven architecture. Chat systems, live dashboards, notifications, and collaborative tools that handle high concurrency.
🗄️ Database Design & Optimization
PostgreSQL/MongoDB schema design, query optimization, indexing strategies, and Redis caching — achieving 25–35% performance improvements in production-grade applications.
☁️ DevOps & Cloud Deployment
Docker containerization, CI/CD pipeline setup with GitHub Actions, AWS (EC2, S3, Lambda) deployment, Nginx configuration, and automated release workflows reducing deployment time by 40%.
Work Experience
6.5+ years shipping production full-stack systems for real users
WinstaAI — Production AI SaaS Platform (Kuwait)
Leading full-stack development of an AI-powered SaaS platform serving real users with complex workflows, payment systems, and microservices.
- Designed and built scalable full-stack applications using React.js, Next.js, Node.js, and FastAPI handling high-traffic production workloads
- Architected microservices-based backend with async task queues, REST APIs, and third-party service integrations
- Implemented secure auth systems (JWT, OAuth 2.0) and payment integrations (Stripe, PayPal)
- Deployed on AWS + Docker with CI/CD pipelines for automated, zero-downtime releases
Dibbly — AI Video Translation Platform (India)
Built production web applications using React.js, Next.js, Node.js, and Django serving enterprise clients.
- Improved system response time by 35% through API optimization and Redis caching strategies
- Implemented real-time WebSocket features reducing server load by 25%
- Optimized PostgreSQL/MySQL schemas improving query performance by 30%
- Reduced deployment time by 40% through Docker and CI/CD automation
Khantailor & PathHub (India)
- Built full eCommerce platform with custom tailoring features, Stripe/PayPal payments, and Docker/Nginx deployment
- Developed HIPAA-compliant medical platform with secure access control and real-time diagnostic reporting
- Improved UI responsiveness by 40% and reduced API latency by 20–30% through optimization
Why Hire Me as Your Full-Stack Developer?
What makes working with me different from other developers
✅ Production-First Mindset
I don't just write code that works — I write code built for production: optimized, secure, documented, and scalable to thousands of users. Every system I build is designed to handle real-world load.
✅ End-to-End Ownership
From system design and database architecture to frontend UI and cloud deployment, I own the entire stack. No need to hire and coordinate multiple specialists — I deliver the complete product.
✅ Proven Performance Metrics
Not just claims — I have measurable results: 35% faster API response times, 30% better database query performance, 40% reduced deployment times, and 25% lower server load.
✅ Fast, Agile Delivery
I work in sprint cycles with clear milestones and daily communication. You'll always know what's being built and when it ships. I prioritize your business goals above technical preferences.
Frequently Asked Questions
Common questions from HR managers and business owners
Get in Touch — Let's Build Together
Open to full-time, contract, and freelance full-stack development roles — remote worldwide