Open to freelance & collaboration

Hello, I'm

Jayathu Shehan
Dewmina

Passionate about building clean, efficient, and scalable applications. I turn ideas into meaningful digital experiences through thoughtful engineering.

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get to know me

About Me

Jayathu Shehan Dewmina

Based in

🇱🇰 Sri Lanka

I'm Jayathu Shehan Dewmina, an Associate Software Developer with a strong passion for building efficient, scalable, and user-friendly applications. I thrive on turning complex problems into elegant, maintainable solutions.

Currently pursuing my BSc in Computer Science at the Informatics Institute of Technology (IIT), affiliated with the University of Westminster, UK. I bridge academic knowledge with real-world development experience across the full stack.

I enjoy working with modern technologies, contributing to open-source, and continuously challenging myself to grow as an engineer. When I'm not coding, I explore new frameworks and tools in the ever-evolving software landscape.

1+
Years Experience
10+
Projects Completed
8+
Technologies

what I work with

Skills & Technologies

A curated set of tools and technologies I use to bring ideas to life.

Frontend

ReactNext.jsTypeScriptJavaScriptHTML5CSS3Tailwind CSS

Backend

Node.jsExpress.jsJavaSpring BootPythonREST API

Database

MySQLPostgreSQLMongoDBFirebase

Tools & DevOps

GitGitHubDockerVS CodePostmanLinux

where I've worked

Experience

Associate Software Developer

Softvil Technologies

Colombo, Sri Lanka

2025 – Present
  • Developing and maintaining full-stack web applications using React, Node.js, and TypeScript.
  • Collaborating with cross-functional teams in an Agile environment to deliver high-quality features.
  • Conducting code reviews and contributing to best practices for code quality and maintainability.
  • Integrating third-party APIs and services to enhance application functionality and user experience.
ReactNode.jsTypeScriptMySQLGit

Software Development Intern

Softvil Technologies

Colombo, Sri Lanka

2024 – 2025
  • Built and tested RESTful APIs for internal tools and customer-facing services.
  • Developed responsive frontend components using React and Tailwind CSS.
  • Participated in Agile ceremonies - daily stand-ups, sprint planning, and retrospectives.
ReactJavaSpring BootPostgreSQL

what I've built

Projects

A selection of projects I've designed and developed - from side experiments to production-ready applications.

★ Featured

TuitionLanka Admin Dashboard

A modern admin panel for managing the TuitionLanka educational platform. Features role-based authentication, analytics with interactive charts, tutor and student account management, and a responsive light/dark theme.

Next.js 15React 19TypeScriptTailwind CSS v4ApexCharts
★ Featured

HaptiVision App

A cross-platform Flutter application integrating TensorFlow Lite for on-device machine learning and computer vision. Supports Android, iOS, macOS, Windows, Linux, and web from a single codebase.

FlutterDartTensorFlow LiteC++

TutorMe Revamp

A UAT release of the revamped TutorMe web platform, rebuilt with a modern Next.js stack and deployed on Vercel for user acceptance testing.

Next.jsTypeScriptTailwind CSS

TutorMe API

Backend REST API powering the TutorMe tutoring platform, handling user management, session scheduling, and data operations.

Node.jsJavaScriptREST API

Westminster Shopping Manager

A Java-based shopping management system implementing OOP principles with user account management, product catalog, and file-based data persistence.

JavaOOPFile I/O

Sliding Puzzles

A Java implementation of sliding puzzle algorithms with benchmark support, exploring search strategies and heuristic approaches to solve puzzles efficiently.

JavaAlgorithmsAI Search

open source activity

GitHub Contributions

A snapshot of my coding activity and open-source contributions over the last year.

1,604Contributions
9Repositories
0Stars Earned
0Followers

1,604 contributions in the last year

@JayathuShehan
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where I've studied

Education

BSc (Hons) in Computer Science

Informatics Institute of Technology (IIT)

Affiliated with University of Westminster, UK

2022 – 2026Completed

Studying software engineering, data structures, algorithms, databases, web development, and software project management.

Data Structures & AlgorithmsSoftware EngineeringDatabase SystemsWeb DevelopmentComputer NetworksObject-Oriented Programming

GCE Advanced Level

Rahula College, Matara

2021Completed

Completed Advanced Level with subjects in the Physical Science stream.

let's talk

Get In Touch

I'm currently open to new opportunities. Whether you have a project, a question, or just want to say hi - my inbox is always open!

Location

Colombo, Sri Lanka

Response Time

I typically respond within 24–48 hours. Looking forward to connecting!