Building scalable web applications, multi-tenant SaaS platforms, and production-ready backend systems.

• 💻 Full-Stack Developer specializing in the PERN Stack
• ⚡ Strong focus on backend architecture, scalability, and clean system design
• 🏗️ Experienced building multi-tenant SaaS applications
• 🔒 Interested in authentication, RBAC, security, and distributed systems
• 🐳 Comfortable with Docker, CI/CD, AWS, and Linux deployments
• 🌱 Currently exploring advanced system design, event-driven architecture, and cloud-native applications

DevXNext Corporation India Pvt Ltd

• Built a multi-tenant SaaS platform with dynamic sub-domain routing
• Implemented RBAC and CRM modules
• Automated deployments using Docker, GitHub Actions, AWS EC2
• Improved frontend performance with React Query
• Refactored large React applications into scalable architectures
• Integrated Gemini AI image recognition APIs

Production-inspired SaaS helpdesk platform featuring:

• Multi-tenant architecture
• Organization-level data isolation
• RBAC
• Email-to-ticket automation
• Redis + BullMQ background jobs
• Dockerized development
• Prisma + PostgreSQL
• React frontend

Tech

Node.js
Express
TypeScript
React
Prisma
PostgreSQL
Redis
BullMQ
Docker

• Building production-grade backend systems
• Distributed system design
• High-performance PostgreSQL optimization
• Event-driven architectures
• AWS deployments
• Open Source contributions

• Portfolio: https://devtiven.com
• GitHub: https://github.com/rajwinder-dev
• LinkedIn: https://linkedin.com/in/rajwinder-web
• Email: rajwinder.web@gmail.com