Open to opportunities

Hey, I'm Sadumina Rathnayaka

Full-Stack Developer & Tech Enthusiast

Building production applications at Haycarb PLC & Hayleys PLC. Specialized in React, Python (FastAPI & Django), and modern web technologies. Passionate about creating scalable solutions that solve real business problems.

Colombo, Sri Lanka

Intern Developer

ReactNext.jsPythonFastAPIDjangoDockerRedisAzure

Featured Work

Production applications and experiments built for enterprise clients and personal learning

Vehicle Monitoring System

Full-stack enterprise solution for Haycarb PLC factory to track and analyze vehicle traffic at factory gates with real-time monitoring

JavaScriptReactFull-StackEnterprise

Featured project

FuelTracker

Travel and fuel card tracking system for HayCarb PD team. Containerized with Docker for seamless deployment

FastAPIReactDockerPython

Featured project

WebSocket Chat Application

Real-time messaging platform built with Django Channels, Redis pub/sub, and WebSockets demonstrating ASGI architecture

DjangoRedisWebSocketsReal-time

CarbonX Insight

Analytics dashboard for HayCarb sales and marketing teams to track coconut product pricing and market distributions

FastAPIReactAnalyticsBusiness Intelligence

Featured project

Azure OCR with Next.js

Document processing application integrating Azure Computer Vision OCR with Next.js for text extraction

Next.jsAzureOCRCloud

DreamWorks Studio

Grade 'A' academic project for comprehensive studio management with booking and resource allocation

JavaScriptFull-StackAcademic

View all projects on GitHub

About Me

Currently working as a software development intern at Haycarb PLC & Hayleys PLC, one of Sri Lanka's leading conglomerates. My role involves building production-ready enterprise applications that solve real business challenges.

I specialize in full-stack development with expertise in React, Next.js, Python (FastAPI & Django), and modern DevOps practices. My work spans vehicle monitoring systems, fuel tracking platforms, real-time chat applications, and business analytics dashboards.

Beyond coding, I actively contribute to the developer community through technical writing on Medium and problem-solving on HackerRank.

Software Development Intern

Haycarb PLC & Hayleys PLC

2024 - Present

Computer Science Student

SLIIT - Sri Lanka Institute of Information Technology

What I Do

Full-Stack Development

Building scalable web applications with React, Next.js, Python (FastAPI & Django), and PostgreSQL

Enterprise Solutions

Developing production systems for vehicle tracking, fuel management, and business intelligence at Haycarb PLC

Real-time Systems

Implementing WebSocket applications, Redis pub/sub, and Django Channels for live data synchronization

Cloud & DevOps

Containerization with Docker, Azure services integration, and modern deployment workflows

Skills & Technologies

Tools and technologies I work with to build production-ready applications

Frontend

ReactNext.jsTypeScriptTailwind CSSJavaScriptHTML/CSS

Backend

PythonFastAPIDjangoNode.jsREST APIs

Database

PostgreSQLRedisMongoDBSQL

DevOps & Tools

DockerGitGitHubAzureLinux

Other

WebSocketsDjango ChannelsOCRReal-time Systems

Get In Touch

I'm always interested in hearing about new projects and opportunities. Whether you have a question or just want to say hi, feel free to reach out!

GitHub

Medium

HackerRank