Available — Response within 4 hours GMT+6

Hire a Developer Who
Actually Ships

I'm Md Refat Bhuyan — Full-Stack MERN Developer and AI Engineer based in Dhaka, Bangladesh. Two years shipping for UK and US clients without a missed deadline. 20+ production projects across fintech, e-commerce, and AI tooling.

Start a ConversationSee My Work

Availability & Engagement Types

Full-time Remote
Open to permanent roles with UK, US, or EU companies
Senior Contract
1–6 month engagements, from $3,000/month
Founding Engineer
Equity conversations for pre-seed fintech / AI tooling
Fixed-Price Project
Scoped builds from $500 — response within 4 hours

Services & Indicative Pricing

Fixed-price or weekly rate depending on scope. Every project starts with a written proposal.

Full-Stack MERN Development

$500 – $5,000+

End-to-end web applications. React frontends, Node.js APIs, MongoDB databases, admin dashboards, authentication. Production-ready and deployed.

ReactNext.jsNode.jsMongoDBREST API

AI & LLM Engineering

$1,000 – $8,000+

LangChain pipelines, RAG systems, OpenAI GPT-4o integrations, streaming chatbots, document-grounded Q&A. Built for production, not demos.

LangChainOpenAIRAGPineconeMCP Servers

Cloud & DevOps

$500 – $3,000+

AWS, Azure, GCP, Vercel. CI/CD pipelines, Docker containerisation, serverless functions, environment management, performance monitoring.

AWSAzureVercelDockerGitHub Actions

SQA & Test Automation

$300 – $2,000+

Automated test suites, API testing, security audits. Certified in SQA & Cyber Security — I write tests alongside features, not after.

JestPlaywrightAPI TestingSecurity Audit

How It Works

01
Brief
Fill the contact form with your stack, scope, and deadline. I read every message.
02
Scope Call
30-minute call to align on requirements, timeline, and cost. No obligation.
03
Proposal
Written proposal with milestones, tech decisions, and a fixed or weekly rate.
04
Build & Ship
Weekly updates, daily async check-ins. Production deploy with documentation.
20+
Production Projects
Shipped for real clients
2 yrs
Remote Experience
UK & US clients
3.81
CGPA — B.Sc. EEE
BUBT, Bangladesh

Ready to build something?

Describe your project in the contact form. I respond with an honest scope assessment — no sales pitch.

Get in Touch

Or email directly: refatbubt@gmail.com