Full-stack developer — Sri Lanka

I build fast, reliable web apps — and the tools behind them.

I'm Prasad Semasinghe, a full-stack developer and software-engineering student. I've shipped production e-commerce platforms and automation tools — built end to end with React, Next.js and Node.

Services

What I can build for you.

From full products to a single landing page — here's the kind of work I take on.

E-commerce stores

Online shops with product catalog, cart, checkout and a full admin panel.

LMS & web platforms

Learning management systems, dashboards and portals with logins, roles and admin control.

Websites & landing pages

Business sites, portfolios and product landing pages — fast, responsive and built to convert.

Telegram bots & automation

Bots, scripts and integrations that handle downloads, notifications and repetitive work.

Stack

The tools I reach for.

What I use day to day to design, build and ship full-stack applications.

Frontend & UI

  • React
  • Next.js
  • TypeScript
  • Tailwind CSS

Backend & Data

  • Node.js
  • Express
  • MongoDB
  • Python

Tooling

  • Git
  • Vite
  • REST APIs

Work

Selected projects.

A closer look at things I've designed and shipped end to end — from first commit to live in production.

Mithila.lk screenshot
Full Stack·2026

Mithila.lk

Design & full-stack build

An e-commerce store built with Next.js and Supabase — product catalog, cart and checkout, authentication and an admin dashboard.

Next.jsTypeScriptSupabaseTailwind CSS
Visit live
Sahi.lk screenshot
Full Stack·2024

Sahi.lk

Design & full-stack build

A production e-commerce platform built end to end — authentication, a searchable product catalog, cart and checkout, and an admin dashboard for inventory.

Next.jsTypeScriptMongoDBTailwind CSS
Visit live

Path

Where I've been.

Freelance Web Developer

2022 — Present

Work · Self-employed · Remote

Design and build web apps for clients — e-commerce storefronts, portfolio sites and automation tools — handling everything from UI to deployment.

BSc (Hons) Software Engineering

2023 — Present

Education · SLIIT City University · Colombo

Studying modern software development, algorithms and system design alongside building real projects.

GCE Advanced Level — Combined Mathematics

2020 — 2022

Education · Sri Lanka

Completed A/Ls in the mathematics stream, building the analytical foundation I lean on when solving problems in code.

Writing

Notes & articles.

Occasional writing on things I've learned building for the web.

All writing

Contact

Have a project in mind?

Whether it's freelance work, an internship, or just a question — the fastest way to reach me is email, and I usually reply within a day.

Available for new work
prasadsemasinghe@gmail.comSend me an email
  • Full-stack web apps & e-commerce
  • Freelance projects & internships
  • Remote, working with clients worldwide
Response time
Usually within 24 hours
Location
Anuradhapura, Sri Lanka · Remote

Find me on

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