Currently Available For Freelance& Full-time Opportunities

Buddhi

Rupasingha

Software Engineer

Versatile software engineer with expertise in full-stack development, specializing in Java, Spring Boot, React, and cloud technologies.

Projects Completed

Years Experience

Major Projects

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OOP & Agile ✦Collaboration and Effective Communication in team settings ✦Continuous learning and Adaptability to new technologies ✦Problem-solving and Troubleshooting skills ✦Research and Development ✦Robotics and Electronic ✦AI prompting & Engineering ✦OOP & Agile ✦Collaboration and Effective Communication in team settings ✦Continuous learning and Adaptability to new technologies ✦Problem-solving and Troubleshooting skills ✦Research and Development ✦Robotics and Electronic ✦AI prompting & Engineering ✦

About Me

Hello! I'm Buddhi Rupasingha

Versatile software engineer with expertise in full-stack development, specializing in Java, Spring Boot, React, and cloud technologies. Recently I completed a BSc in Physical Science and Electronics while pursuing final year in Bachelor of Information Technology. I am skilled in leveraging AI tools for enhanced efficiency, experienced in freelance project management, and passionate about combining electronic engineering with software development. Goal-oriented professional with a focus on collaborative environments and innovative solutions.

Latest Research

Energy Harvesting from Human-Body Movements for Powering Ultra-Low Power Appliances

University of Kelaniya • 2023-2024

published

Full-stack DevelopmentMobile AppsAI IntegrationResearch

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Education

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Experience

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Research

Education & Experience

Academic Background

Bachelor of Information Technology

2020 - presentFinal year

UCSC | University of Colombo

Bachelor of Physical and Electronic

2021 - 2024Completed

PE | University of Kelaniya

Professional Experience

Full stack - Mobile Developer | Intern

Kapruka PLC

2024/10 - 2025/04

Technologies: Android(kotlin) & IOS, Java, Spring Boot, React Native, MySQL

Key Responsibilities:

Ensure the ongoing maintenance and updates of the Kapruka Shopping application and the OneTime Password (OTP) login system for both Android and iOS
Rebrand Kapruka Runner App (Driver App with location and Real-time data sync) with a back-end
Design and Develop the Java launch for the app user interface and added the profile page along with item card UIs
Ensure the maintenance and regular updates of the Partner Central Mobile application
The back-end development has been conducted utilizing Spring Boot technology

Projects:

Kapruka App (Android(kotlin) & IOS)Runner-Driver App (Android(java))Java Lounge (React Native)Back-end(Java, Spring Boot)Database as SQL

Leadership & Community

School Senior Prefect

2017-2019

Homagama Central College

Active Member of ESS

2021-present

The Electronics Students' Society (ESS) - UOK

Visit Website

Python Essentials Trainer

2023

University of Kelaniya

Led Python Essentials Training at University of Kelaniya, covering crucial concepts. Empowering students in their journey through practical Python education.

Activities & Leadership

CEO of Team Telous

2023 - present

Software solution team

Youtube Content creator

2015 - present

Channel: MrRulzStriming

Research & Innovation

Contributing to academic research and technological innovation in emerging fields.

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Final year research2023-2024

University of Kelaniya

published

Energy Harvesting from Human-Body Movements for Powering Ultra-Low Power Appliances

This project integrates advanced technologies such as React Native for mobile app development, Firebase for database management, and Bluetooth connectivity to enhance user engagement and functionality. It also incorporates a cutting-edge energy harvesting system using piezoelectric materials to power a safety jacket equipped with Bright Solid Core Side Glow Fiber Optic Cable and SMD 5050 RGB LEDs for visibility. The design includes a smart charging module for efficient energy management, ensuring sustainability.

Technologies & Tools

React NativeFirebaseBluetoothPiezoelectric materialsRGB LEDs

Research Highlights

Integration of advanced mobile technologies with IoT systems
Sustainable energy harvesting using piezoelectric materials
Real-time data synchronization and Bluetooth connectivity
Smart charging modules for efficient energy management

Research Impact & Future Work

My research focuses on bridging the gap between academic innovation and practical applications, particularly in sustainable technology and smart systems. The work contributes to advancing energy-efficient solutions and enhances user engagement through integrated mobile technologies.

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Research Papers

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IoT & Energy

Innovation Focus

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Mobile + Hardware

Tech Integration

Featured Projects

Showcasing 9 innovative projects spanning web development, mobile apps, and enterprise solutions.

HIGH Priority2024

ERP SYSTEM

Kandurata Marketing, SNJ Engineering, Kandurata Service center

NextJsFirebaseVercelReduxReact

HIGH Priority2025 - Present

Fuel Station System

Fuel Station Management System with Admin and User panels

NextJsFirebaseVercel

LOW Priority2025

Kapruka Meme game

A meme game for Kapruka with a leaderboard and admin panel

HTMLCSSJSExpress JSMySQL

Technical Skills

Comprehensive technical expertise across full-stack development, mobile technologies, and emerging tech.

Java/Kotlin95%

PHP75%

C/C++75%

Python85%

C# / .NET75%

HTML5/CSS3/JS75%

Wordpress/Moodle75%

ReactJS + TS95%

Tailwind CSS/ Bootstrap75%

NextJs/ViteJS95%

NodeJs85%

Spring / Spring Boot95%

React-native (Expo)95%

Android(Kotlin+java)95%

IOS(Swift)75%

Flutter, Ionic, and Xamarin75%

SQL(MySQL, PostgreSQL, MS SQL)85%

NOSQL(Mongodb & Firebase)85%

RabbitMQ, Firebase, Google cloud85%

AWS/ Hostinger/ Vercel75%

GraphQL, Radis, Redux75%

ChatGPT/ Cloud.AI75%

GitHub75%

Docker85%

MS Office / Latex / Open Office75%

Visual Studio & VS Code75%

IntelliJ IDEA75%

Linux OS75%

PCB & PLC Design75%

Robotic/ IOT75%

Microcontrollers - ESP32/82, Arduino75%

Unity75%

Scratch 3.0 - 2D75%

Blender75%

Fusion 36075%

Graphic designing - photoshop, Illustrator75%

Video Editing - Premiere pro, Capcut75%

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Programming Languages

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10+

Frameworks & Libraries

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Databases & Cloud

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Design & Media Tools

Get In Touch

Let's Create Something Amazing Together

I'm always excited to take on new challenges and collaborate on innovative projects. Whether you have a specific project in mind or just want to explore possibilities, I'd love to hear from you.

buddhimalinda66@gmail.com

Phone

+94 71 533 8488

+94 72 815 2790

Location

No. 174/8, Rukmale, Pannipitiya

Connect With Me

Send Me a Message

Why Work With Me?

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< 24hrs

Fast Response

Quick turnaround on all communications

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100%

Project Success

All projects delivered successfully

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15+

Tech Stack

Technologies and frameworks mastered

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5★

Client Satisfaction

Consistently high client ratings

Currently Available for New Projects

Looking for freelance opportunities and full-time positions in software development

Buddhi Rupasingha - Full Stack Software Engineer Portfolio