Available for opportunities

Hi, I'm Duhun De Silva

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Personable and dedicated Information Technology graduate with strong problem-solving skills and a passion for building modern web, mobile, and IoT applications.

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Who I Am

About Me

👨‍💻
Open to Work
IT Graduate
10+
Projects Built
30+
Technologies
2
Internships
9
Certifications

Turning ideas into digital reality

I'm an IT graduate from Sri Lanka Institute of Information Technology (SLIIT) with a passion for building modern web, mobile, and IoT applications. I specialize in full-stack development with the MERN stack, mobile apps using React Native, and IoT systems with microcontrollers.

I have gained hands-on experience through internships at SLT Mobitel, where I worked on IoT development and web/mobile applications, and Wish Hospital, where I developed web applications and provided ERP support. I am enthusiastic about AI, cloud computing, and emerging technologies.

Full-Stack Development

Building end-to-end web and mobile applications using MERN stack, React Native, and modern frameworks.

IoT & Embedded Systems

Developing IoT solutions with ESP32, MQTT protocols, and real-time sensor monitoring systems.

Cloud & Modern Tech

Working with AWS, Azure, Google Cloud, and Docker to build scalable, cloud-enabled applications.

What I Work With

Tech Stack

Technologies and tools I use to build modern applications.

Programming Languages

C
C++
C#
Java
Python
R

Web Technologies

MERN Stack
JavaScript
HTML
CSS
PHP
TypeScript
Next.js
WordPress
Bootstrap
Tailwind CSS
React Native
Flask
ASP.NET

Databases

MySQL
MongoDB
Firebase
Oracle

Cloud & Tools

Microsoft Azure
AWS
Google Cloud
Docker
GitHub
Bitbucket
Linux
Ubuntu
VMware

Development Tools

Android Studio
Arduino IDE
Apache Tomcat
Selenium
Playwright
Postman

Data & Analytics

Power BI
Google Looker Studio
What I've Built

Featured Projects

A selection of projects that showcase my skills in building production-grade applications.

🏔️

Smart Hiking Assistance System

AI-powered mobile application that identifies Sri Lankan mountains using image recognition (MobileNet) and provides real-time weather and geolocation data. Research project.

React Native Flask TensorFlow MobileNet Python Google Cloud
📊

Project Marks Entering System

Full-stack system for managing student project evaluations with role-based authentication, grade management, and reporting features.

Java Spring Boot React.js MongoDB
🏃

IoT Step Counter & Fall Detection

Real-time fitness monitoring system using ESP32 and MPU6050 sensors with fall detection alerts and mobile dashboard visualization.

ESP32 MPU6050 Firebase React Native
🌡️

Temperature Monitoring System

IoT system for real-time temperature monitoring at SLT Mobitel using ESP32 sensors, MQTT protocol, and a React Native mobile visualization app.

ESP32 MQTT React Native

Aura X Traders Website

Corporate website designed and deployed for a trading company. Clean, modern UI with production deployment on Vercel.

React.js HTML CSS Vercel
My Journey

Work Experience

A timeline of my professional experience and career growth.

Internship

IT Intern

SLT Mobitel

Jul 2024 — Jan 2025

Worked on IoT development, web and mobile application development, and IT documentation at Sri Lanka Telecom Mobitel.

  • IoT development – device programming and sensor integration
  • Web and mobile application development
  • IoT device configuration and real-time monitoring
  • Maintained IT documentation and technical reports
IoTESP32MQTTReact NativeWeb Development
Internship

IT Intern

Wish Hospital

May 2025 — Dec 2025

Supported digital operations at Wish Hospital through web development, ERP system support, and network management.

  • Developed web applications using React.js
  • ERP system support and troubleshooting
  • Website management and deployment
  • Networking and software support
React.jsERP SystemsWeb DevelopmentNetworking
Academic Background

My Education

My academic journey and qualifications.

BSc (Hons) Information Technology

Sri Lanka Institute of Information Technology (SLIIT)

2021 – 2025Completed

Focused on software engineering, full-stack web development, IoT systems, cloud computing, mobile application development, and database management.

  • Full-stack web and mobile application development
  • IoT systems programming and integration
  • Cloud computing and database management

MSc Information Technology

Sri Lanka Institute of Information Technology (SLIIT)

2026 – 2028Upcoming

Advanced postgraduate studies in information technology with a focus on emerging technologies, research methodologies, and advanced software engineering practices.

  • Advanced software engineering and system architecture
  • Research in emerging technologies
  • Machine learning and AI applications
Credentials

Certifications

Industry-recognized certifications that validate my expertise. Hover to flip and verify.

AWS Academy Cloud Foundations

Cloud Foundations

Amazon Web Services

2024

Issued By

Amazon Web Services

2024

View Certificate

Technical Support Fundamentals

Google Certificate

Google

2023

Issued By

Google

2023

View Certificate

Introduction to Computers

Microsoft Certificate

Microsoft

2022

Issued By

Microsoft

2022

View Certificate

Cisco Packet Tracer

Introduction

Cisco

2023

Issued By

Cisco

2023

View Certificate

Postman API Fundamentals

Student Expert

Postman

2024

Issued By

Postman

2024

View Certificate

Introduction to MongoDB

MongoDB Basics

MongoDB

2023

Issued By

MongoDB

2023

View Certificate

Google AI Essentials

AI Certificate

Google

2024

Issued By

Google

2024

View Certificate

Foundations of UX Design

UX Certificate

Google

2023

Issued By

Google

2023

View Certificate

Understanding Prompt Engineering

DataCamp Certificate

DataCamp

2024

Issued By

DataCamp

2024

View Certificate
Let's Connect

Get In Touch

Have a project in mind or want to collaborate? I'd love to hear from you.

Let's build something great together

I'm currently open to new opportunities. Whether it's a freelance project, full-time role, or just a chat about tech — let's make it happen.

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