Available for Fullstack & MERN RolesNext.js & MERN Specialist

Crafting High-Performance
Fullstack MERN &
Web Applications

Hi, I'm Kritam Dahal. I design and build resilient, scale-ready digital web applications with MongoDB, Express.js, React, Node.js, and modern Next.js architectures.

Core Stack: MongoDB Express.js React.js Node.js

Download CV

Technical Expertise

Fullstack MERN Capability & Architecture

I specialize in constructing robust end-to-end web applications—from designing normalized MongoDB schemas and secure Express REST/GraphQL endpoints to delivering slick, pixel-perfect React & Next.js user interfaces.

Frontend Engineering

React.js / Redux Toolkit95%

Next.js (App Router)90%

TypeScript88%

Tailwind CSS & CSS Modules95%

Backend Development

Node.js Core & Async Patterns92%

Express.js REST Architecture95%

JWT Auth, OAuth 2.0, Security88%

WebSockets & Realtime Events85%

Database & Storage

MongoDB & Mongoose Schema94%

Indexing & Aggregation Pipelines88%

Redis Caching & Session Store82%

PostgreSQL / Prisma ORM80%

DevOps & Tooling

Git / GitHub Actions CI/CD90%

Docker Containerization82%

Vercel / Render / AWS EC285%

Postman & API Unit Testing92%

OriginKit Coverflow CarouselInteractive Flat-Slat 3D Stage • Autoplay

Scalable & Clean Code

Adhering to SOLID principles, modular MVC controllers, dependency injection, and strict type safety with TypeScript.

Ultra-Fast Performance

Leveraging Next.js SSR/ISR, MongoDB indexing, Redis query caching, and optimized asset delivery for sub-second page loads.

Agile & Collaborative

Experienced in Git workflows, code reviews, automated CI/CD pipelines, and seamless cross-functional teamwork.

Featured Work

Production MERN Applications

Explore recent web applications engineered by Kritam Dahal, demonstrating robust backend architecture, scalable database schemas, and modern UI execution.

OriginKit 3D Coverflow Showcase

Sahakari Enterprise Pro Fullstack MERN Ledger Platform

DevFlow AI Hub Realtime Collaborative IDE

OmniCommerce Engine High-Throughput E-Commerce

Pulse Metrics Dashboard Realtime Telemetry & Microservices

Processes 50k+ ledger records per sec

Sahakari Enterprise Pro

Enterprise Cooperative & Microfinance Management Platform supporting multi-branch transactions and ledger accounting.

MongoDBExpress.jsReact.jsNode.jsRedux ToolkitJWT

99.9% Uptime under 10k concurrent rooms

DevFlow AI Hub

Real-time AI-Assisted Code Collaboration Platform featuring live WebSockets workspace and syntax visualizer.

Next.jsTypeScriptNode.jsSocket.ioMongoDBTailwind

<200ms API response time

OmniCommerce MERN Engine

High-Throughput E-Commerce Platform with dynamic MongoDB aggregation pipelines and instant search indexing.

ReactExpress.jsMongoDB AggregationNode.jsTailwind CSS

Handles 1M+ daily telemetry pings

Pulse Metrics Microservice

Realtime MERN Telemetry & API Performance Monitoring service with automated alert triggers.

Node.jsExpress.jsMongoDBRedisDockerREST API

Interactive Architecture

How MERN Data Flows In Action

Click through or trigger the live simulation below to see how Kritam Dahal structures request lifecycles across MongoDB, Express, React, and Node.js.

1. Client Request (React / Next.js)

User interacts with React frontend. Axio/Fetch dispatches HTTP POST payload over TLS.

Best Practice Implemented:

Strict input validation with Zod / Joi schemas, sanitized SQL/BSON parameters, and error handling middleware.

// Active Execution SnippetStep 1 of 4

// Client triggers API fetch
const response = await fetch('/api/v1/auth/login', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ email, password })
});

Get In Touch

Let's Build Something Exceptional

Have a project in mind, need a fullstack MERN developer, or looking to collaborate? Send Kritam Dahal a message below!

Contact Information

Email Directlykritamdahal@gmail.com

LocationKathmandu, Nepal (Open for Remote Worldwide)

Connect Online

Crafting High-Performance Fullstack MERN & Web Applications