Building production-grade web systems, REST APIs & scalable backends.
16 production systems shipped across LMS, POS, tourism & geospatial domains.
A production-grade Learning Management System with distinct Admin, Instructor, and Student portals. Features JWT auth with email verification, password recovery, live-class scheduling, enrollment workflows, and audit logging.
A full-featured restaurant operations platform featuring floor plan management, real-time kitchen order tickets (KOT), POS billing, stock inventory, and employee payroll.
A modern tourism discovery platform with map-based POI browsing, dynamic routing itineraries, custom package booking, and multi-currency pricing.
A backend data ingestion pipeline using Overpass API and bounding-box queries to systematically extract, normalize, and load OpenStreetMap POI data into PostgreSQL.
Defining system requirements, database schema design, and technical feasibility for scalable infrastructure.
Building secure REST APIs, authentication pipelines, and data ingestion services using Node.js & PostgreSQL.
Connecting server actions to Next.js clients, optimizing caching layers, and ensuring responsive UI/UX.
CI/CD pipeline configuration, server provisioning, containerization, and post-launch monitoring.
I am open to full-time remote software engineering positions, long-term contractor roles, and high-impact web system development worldwide.
Specialized in Next.js 16, React 19, TypeScript, Node.js, Express REST APIs, PostgreSQL (Prisma), MongoDB (Mongoose), and secure JWT RBAC authentication.
Based in Kathmandu, Nepal (UTC+5:45), coordinating seamlessly with Asian, European, and US working schedules with proactive daily communication.
Send a message through the contact form or email directly to email.rajan001@gmail.com. I respond within 24 hours to schedule an introductory technical discussion.
Have engineered and shipped 16 production software systems across Learning Management (LMS), Point of Sale (POS), tourism portals, and geospatial data pipelines.
Strict type safety, cryptographic password hashing, rate limiting, parameterized queries, and optimized server rendering for top Core Web Vitals.
Deliver production-ready environments on Linux VPS, Vercel, Docker, or cPanel with complete documentation, database migration scripts, and ongoing support.