Hi, I'm Hossain Sany
Full-Stack Software EngineerI specialize in the React/TypeScript ecosystem and serverless database architecture. Currently focused on building scalable UI/UX and robust backend pipelines for fast paced scale ups.
01/ About Me
Hi, my name is Hossain and I'm a Full-Stack Developer focused on shipping software that holds up in production, not just in a demo. Most recently, I architected and launched an EdTech SaaS platform now serving 2,500+ active users, owning everything from schema design in Drizzle to the infrastructure it runs on.
As an independent consultant, I've spent the last few years working directly with clients and stakeholders, translating requirements into working software. I maintain a 100% Job Success Score on Upwork, backed by a history of 5-star reviews. Whether I'm orchestrating payment webhooks with Stripe or building seamless React interfaces, I prioritize the reliability and client satisfaction that professional grade software demands.
Here are some technologies I've been working with recently:
React
Typescript
PostgreSQL
Next.js
Tailwind CSS
MongoDB
Tanstack Start
Express.js
Drizzle ORM

02/ Projects
EdTech SaaS Platform (Easy IELTS BD)
A full-stack, edge-deployed web application that transforms static PDF practice tests into an interactive, exam-realistic IELTS simulator for over 2,500 active students. Built with React, Sanity, PostgreSQL and Cloudflare Workers, the platform features complex UI engineering like deterministic drag-and-drop and resilient text highlighting.
03/ Work Experience
Easy IELTS BD, Sylhet, Bangladesh
Full-Stack Engineer
Oct. 2025 - Present
Easy IELTS BD, Sylhet, Bangladesh
Full-Stack engineer on a small team building an IELTS practice platform that recreates the computer-based exam for 2,500+ active users. Own architecture, database, deployments and infrastructure.
Built a fault-tolerant exam client that persists progress locally per test, retries submission on failure, and clears local state only after server confirmation, with resume or restart after accidental closes or network drops.
Designed the Postgres schema with Drizzle ORM and resolved database connection exhaustion during submission spikes by pooling connections through Cloudflare Hyperdrive in front of Neon Postgres.
Added 99 Vitest unit tests across 22 files covering exam scoring, timer, and test-submission logic, used AI assistance to speed up test authoring.
Webexis LLC, Sylhet, Bangladesh
Full-Stack Developer & Founder
Oct. 2023 - Sep. 2025
Webexis LLC, Sylhet, Bangladesh
Founded and ran a web design and development agency. Built and hosted 5+ client sites and web apps, moving from MERN and SASS to TypeScript, React, Next.js, PostgreSQL and Tailwind CSS.
Set up Docker-based deployments and GitHub Actions CI/CD on Linux servers for 3 projects. Maintained client servers under SLAs.
Ran client consultations, scoping and delivery end to end. Retained 100% of the clients.
Upwork Marketplace, Remote
Freelance Web Developer
Jan. 2021 - Aug 2023
Upwork Marketplace, Remote
Built and deployed custom web applications for 8 clients using React, Express.js and MongoDB (plus HTML, CSS, JavaScript and SASS), including hosting and deployment setup.
Handled all client communication and technical delivery. Kept a 5/5 rating across 8 contracts.
Open to full-time Full-Stack/Frontend roles.
I'm currently building Easy IELTS BD, but always happy to talk about what you're working on.