Hi, I'mMD SHAFIUR RAHMANMD SHAFIUR RAHMAN
Full-Stack Developer|
Crafting exceptional digital experiences through elegant code and innovative solutions.
About Me
I'm a passionate software engineer who transforms complex problems into elegant, user-centric solutions. With a deep love for both design and code, I bridge the gap between aesthetics and functionality.
My journey in tech has been driven by curiosity and a relentless pursuit of excellence. I specialize in building performant, scalable applications that users love.
When I'm not coding, you'll find me contributing to open source, exploring cutting-edge technologies, or mentoring aspiring developers.
const developer = {
name: "Shafiur Rahman",
role: "Full-Stack",
backend: ["ASP.NET", "Node"],
frontend: ["React", "Next.js"],
mobile: "React Native",
data: ["MSSQL", "Postgres", "Mongo"]
};Skills & Expertise
Frontend
React on the web and on device, sharing one component mindset.
Backend
ASP.NET as the primary stack, Express and FastAPI alongside it.
Database
Relational and document stores, whichever the product needs.
Languages
Typed and untyped, managed and native.
AI / ML
LLM-backed product features, including self-hosted inference.
DevOps & Tools
Shipping, hosting and the servers underneath.
Featured Work
Document Compliance Network
The web platform behind DCN: organizations manage compliance documents, assignments and review workflows end to end. Built on ASP.NET with Radzen components over MSSQL, and maintained continuously as the product grows.
- ▸ASP.NET back end over MSSQL with a Radzen component layer
- ▸Document assignment, review and status workflows for whole organizations
- ▸Shares its data model with the DCN mobile app
OptimalMD Medical AI
An AI layer for the OptimalMD platform. A Python/FastAPI service handles inference through Ollama so patient data never leaves the infrastructure, with a Svelte front end and an Express service tying it into the wider product.
- ▸Self-hosted LLM inference via Ollama — no third-party data exposure
- ▸FastAPI inference service with a Svelte client
- ▸Express integration layer bridging the existing platform
NDFND Medical AI Support
A medical support assistant built on the same self-hosted stack — FastAPI and Ollama for inference, Svelte for the interface, Express for platform integration.
- ▸Ollama-backed inference behind a FastAPI service
- ▸Svelte front end with an Express integration layer
OMD Patient Portal
The web portal patients use to manage their OptimalMD membership — plans, profile, dependants and billing — built as a MERN application with a Tailwind interface.
- ▸Express + MongoDB API with a React client
- ▸Membership, dependant and billing management
- ▸Shares its domain with the OMD mobile app
NuPath AI
A health companion built on Expo. A realtime voice coach runs over LiveKit with ElevenLabs speech, biometric data streams in from HealthKit and Health Connect, and a Node service turns those signals into daily guidance using OpenAI and Gemini. The codebase is brand-aware, shipping as several separate apps from one source.
- ▸Realtime voice sessions over LiveKit with ElevenLabs speech
- ▸HealthKit / Health Connect ingestion with calendar correlation
- ▸BullMQ + Redis job pipeline feeding AI insight generation
Let's Connect
Have an exciting project?
I'm always interested in hearing about new projects and opportunities. Send over the brief on Fiverr and I'll get back to you.