.dev

Software Developer • Bangladesh

I craft delightful web & mobile products

Hola, I'm Md Kawsar Islam Yeasin — Front-end-focused full-stack software developer with almost 2 years of experience, skilled in building scalable, responsive, and high-performance applications. Strong in modern web technologies, clean code, problem-solving, and AI-driven development.

See my work →Resume / CV

Md Kawsar Islam Yeasin portrait

2+

Years building shipped products

10+

Client & freelance projects delivered

622+

GitHub stars across open source

5+

AI integrations shipped to prod

✦ About me

Curious builder, careful shipper

I'm a front-end-focused full-stack developer with almost 2 years of industry experience. I build web and mobile apps with TypeScript, React, Next.js, React Native, and Expo.

I contribute to open source — 622+ GitHub starsoverall — and enjoy AI-driven workflows, agent-based development, close client collaboration, and maintainable freelance & contract work.

Expertise: Full-Stack & Mobile App Development
Front-End: TypeScript • React • Next.js • TailwindCSS
Mobile App: React Native • Expo
Backend: Node • Express/Nest • Mongo • PostgreSQL
Tools: Turborepo • Git and GitHub • Docker • GitHub CI/CD
Soft Skills: Debugging • communication • teamwork • leadership

✦ Experience

Where I've shipped things

Software Developer @ Teachfosys

Jul 2025 — Present • Remote

▸Integrated AI API endpoints, collaborating closely with backend devs for seamless delivery.
▸Met with foreign clients, gathered requirements, and translated them into delivery plans.
▸Delivered 5+ client projects with strong W3C and cross-browser standards.

Next.jsReactTypeScriptNode.jsMongoDBSentry

Frontend Developer @ Neonency

Dec 2023 — Sep 2024 • Remote

▸Optimized frontend performance and improved overall UX across products.
▸Built responsive layouts and fixed unnecessary re-rendering across the app.
▸Improved Lighthouse scores by 10–20 points, targeting 90+ wherever feasible.

ReactJavaScriptTailwind CSSReduxVercel

✦ Selected work

Things I've built lately

Port a Vacation

2024•Full-stack developer

Port a Vacation

Vacation rental & property management for a USA client. Dynamic search, filters, and rich property pages.

Next.jsTypeScriptTailwindNodeMongoDB

Wiiz AI

2025•Front-end developer

Wiiz AI

AI-based job marketplace for a German client. Strict Biome.js linting, 50+ issues fixed, ongoing production support.

Next.jsTypeScriptReduxExpressshadcn/ui

Glowmi.net

2025•Full-stack developer

Glowmi.net

AI-powered skincare e-commerce with full English LTR and Arabic RTL support. Clean, scalable storefront and admin.

Next.jsTypeScriptReduxTailwindshadcn/ui

✦ Toolbox

The stack I reach for daily

JavaScript

TypeScript

React

Next.js

Node.js

MongoDB

PostgreSQL

Prisma

Bun

✦ On GitHub

What I'm building right now

1,842 contributions

in the last year

LessMore

JulJulAugSepOctNovDecJanFebMarMarAprMayJun

MonWedFri

48

Public repos

120+

Pull requests

85

Code reviews

210

Stars earned

✦ Open Source & Pinned

Top contributions & pinned repos

shipping code in public ↘

✦ contribution↗

shadcn-ui/

ui

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks.

TypeScript★ 116k⑂ 9k

✦ contribution↗

skaldlabs/

skald

Context layer platform in your infrastructure.

TypeScript★ 556⑂ 40

✦ contribution↗

TailAdmin/

free-nextjs-admin-dashboard

Next.js + Tailwind CSS open-source admin dashboard template with components and pages to build a full-featured back-end.

TypeScript★ 2.5k⑂ 832

yeasin2002/

Grow

Routine-based productivity & task management app that emphasises daily discipline and habit formation.

TypeScript★ 0⑂ 0

yeasin2002/

bulletproof-nextjs-starter

Production-ready Next.js boilerplate with modern tooling, comprehensive testing & enterprise-grade features.

TypeScript★ 228⑂ 51

yeasin2002/

react-ts-starter

Full-stack starter combining React 19 + TypeScript with a Nitro API. Vite-powered, blazing-fast DX.

TypeScript★ 102⑂ 22

✦ Let's build something

You made it this far — let's talk about your next project.

Open to freelance, agency partnerships, and product builds across web, mobile, and AI-driven workflows.

mdkawsarislam2002@gmail.com →

GitHub ↗LinkedIn ↗X ↗Email ↗