RAJAN
SHARMA
Building production-grade web systems, REST APIs & scalable backends.
Featured Works
Technical Capabilities
Frontend & Client Architecture
- Next.js 16 (App Router)
- React 19
- TypeScript
- Tailwind CSS
- TanStack Query
- HTML5 / SCSS
- Responsive UI/UX
Backend & Database Systems
- Node.js
- Express.js
- PostgreSQL (Prisma)
- MongoDB (Mongoose)
- RESTful API Architecture
- JWT Authentication & RBAC
- Zod Data Validation
Geospatial & Data Engineering
- OpenStreetMap Data Ingestion
- Overpass API & Overpass Kumi
- Valhalla Routing Engine
- OSRM Fallback Integration
- Bounding Box Spatial Queries
- ETL Data Pipelines
Security, Cloud & DevOps
- Cloudinary Media Management
- PBKDF2 Password Hashing
- HMAC Session Security
- Git & GitHub Workflows
- cPanel & Linux Node Hosting
- Rate Limiting & CORS Hardening
Background & Experience
- Built Advanced LMS with multi-role RBAC, email verification, Cloudinary storage, and audit logs.
- Developed RestroOS restaurant management platform and high-performance POS system.
- Engineered OpenStreetMap Nepal data ingestion pipeline covering all 77 districts with Prisma and PostgreSQL.
- Launched production tourism portals (Ambikeshori Travels, BMW Tours) reducing client operational overhead.
- Processed and maintained high-volume SKU databases with high precision and zero discrepancies.
- Assisted in data hygiene, inventory reconciliation, and reporting workflows.
- Built strong analytical problem-solving foundation applied to software architecture and backend algorithms.
Education
Languages
- English Professional Proficiency
- Nepali Native Speaker
- Hindi Fluent
Engineering Methodology
Analyze & Architect
Defining system requirements, database schema design, and technical feasibility for scalable infrastructure.
Backend Engineering
Building secure REST APIs, authentication pipelines, and data ingestion services using Node.js & PostgreSQL.
Frontend Integration
Connecting server actions to Next.js clients, optimizing caching layers, and ensuring responsive UI/UX.
Deploy & Scale
CI/CD pipeline configuration, server provisioning, containerization, and post-launch monitoring.
Contact & Inquiries
Frequently Asked
I am open to full-time remote engineering positions, hybrid roles, and contract architectural projects worldwide.
From relational/document database schemas and REST APIs to reactive Next.js frontends and production deployment, I handle end-to-end technical delivery.
Based in Kathmandu, Nepal (UTC+5:45), coordinating seamlessly with Asian, European, and US working schedules.