Available for new projects

Hi, I'mOliullah Bhuiyan

Full-Stack Web Developer

Full-Stack Developer with 3+ years of SaaS experience, delivering scalable solutions for clients across London, USA, Canada, Germany and Bangladesh.

Next.js

React

TypeScript

Node.js

Express.js

PostgreSQL

MongoDB

Prisma

Tailwind CSS

Redux

Scroll to explore

Delivering SaaS Solutions Globally

Trusted by startups and businesses worldwide

London, UK

USA

Canada

Germany

Bangladesh

London, UK

USA

Canada

Germany

Bangladesh

London, UK

USA

Canada

Germany

Bangladesh

Professional Journey

Job Experience

Professional roles where I've contributed to building real-world SaaS products

Umma Foundation

Full-Stack Developer

Brooklyn, NY, USADec 2025 - Present

Building and maintaining digital products for a 501(c)(3) non-profit empowering communities worldwide through sustainable projects — including emergency relief platforms, agricultural tech, a community mobile app, content studio tools, and a non-profit restaurant system.

Full-time6 months

Dmarclytics

Frontend Developer

London, UKDec 2024 - Oct 2025

Developed the frontend for Dmarclytics — a DMARC monitoring platform that helps teams detect email spoofing, map every sending source, fix SPF/DKIM alignment gaps, and progress safely from p=none to full p=reject enforcement. Built interactive dashboards, sender mapping views, compliance reports, and inbox placement testing features.

Full-time11 months

Keenlys

Full-Stack Developer

CanadaJul 2025 - Present

Developing an online English tutoring platform with live one-on-one video lessons, CEFR-aligned curriculum, subscription-based payments, and real-time communication features for children and adults.

Part-time1 year

My Expertise

Technical Skills

Technologies and tools I use to bring ideas to life

Frontend

React

Next.js

Redux Toolkit

TypeScript

JavaScript

Tailwind CSS

CSS

Bootstrap

Stripe

WebSocket

WebRTC

Backend

Node.js

Express.js

Socket.io

MongoDB

PostgreSQL

Prisma

Drizzle

Stripe

PayPal

WebRTC

Wise

AWS S3

Cloudflare R2

Pragmatic Tools

Cursor

ClickUp

Jira

Antigravity

Chrome DevTools

Figma

GitHub

Codex

Notion

DevOps & Deployment

Digital Ocean

Droplet

Hostinger

Firebase

Vercel

CI/CD

Railway

My Work

Featured Projects

Real client projects that are currently live and used by real users

Country:

Technology:

SaaS Application

DmarcLytics

Email security analytics dashboard with real-time monitoring and interactive data visualizations.

Key Features

Secure JWT-based authentication with cookies

Admin dashboard with full control of staff, users, and managers

Real-time monitoring of all user activities

Instant logout if admin blocks a user

Next.jsTypeScriptTailwind CSSRedux ToolkitWebSocket+1

View Project Details

Canada

SaaS Application

Keenlys

Online learning platform with live video classes, real-time chat, and subscription payments.

Key Features

Secure JWT-based authentication

Teacher schedule management system

Time zone-aware booking based on UTC

Multi-language support (i18n) using JSON files

Next.jsTypeScriptTailwind CSSRedux ToolkitSocket.io+8

View Project Details

What I Offer

High-quality development services tailored to your needs

High Performance

100% high speed and optimization. I build ultra-fast applications that load instantly and ensure a smooth, lag-free user experience.

SEO Optimized

100% SEO score. Built with semantic HTML, optimized metadata, and server-side rendering to ensure your site ranks high on search engines.

Secure & Reliable

Security and best practices followed. I implement robust security measures and write clean, maintainable code to keep your application safe.

Responsive Design

Flawless experience on every device. A mobile-first approach ensuring your website looks and works perfectly on phones, tablets, and desktops.

Let's Connect

Have a project in mind? I'd love to hear about it. Let's discuss how we can work together.

Send a Message

Quick Contact

mdolihasan@gmail.com

Connect professionally

GitHub

View source code

Chat instantly

Currently Available

I'm open for freelance projects and full-time opportunities.