Open to opportunities

Chathura Buddhika

@chathurabuddhika

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Senior full-stack software engineer specializing in scalable React, React Native, and Node.js applications.

Sri Lanka

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What I'm looking for

Senior React Native Engineer with 8+ years of experience building scalable, high performance mobile apps for iOS and Android. Focused on clean, maintainable code, performance optimization, and seamless user experiences. Thrive in Agile teams, mentor developers, and leverage CI/CD and AI tools to deliver faster with high quality.

I’m a results-driven Senior Full-Stack Engineer with 8 years building enterprise software across fintech, healthcare, and enterprise domains. I architect scalable web and mobile systems using React, React Native, and Node.js ecosystems, applying SOLID principles, design patterns, and reusable component design. I lead technical initiatives, run code reviews, and keep quality high while mentoring teams.

In recent roles, I’ve driven cross-platform mobile development, Agile (Scrum) practices, and CI/CD with Bitrise, while maintaining Git best practices. I also build high-performance back-end services with Moleculer.js, Express.js, Prisma (PostgreSQL), Redis caching, and real-time WebSocket features—using AI-powered tools and workflows to enhance productivity and reduce time to market by up to 40%.

Experience

Work history, roles, and key accomplishments

Current

Freelance Software Engineer

Current

Eequate (Pvt) Ltd

Sep 2024 - Present (1 year 6 months)

Played a key role in developing and scaling Sri Lanka’s classified marketplace application. Designed and architected high-performance React Native mobile applications for the product.

React Native TypeScript Performance Optimization Cross Platform Development

Freelance Software Engineer

Simsyn (Pvt) Ltd

May 2024 - Mar 2025 (10 months)

Led full-stack development for Uniconnect Cloud and Enterprise platforms, delivering scalable, high-performance solutions using React/TypeScript and Node-based back-end services. Mentored junior developers and improved code quality through reviews and pair programming.

React TypeScript Prisma PostgreSQL Redis WebSockets CI CD Code Review

Software Engineer

DigitalXLabs Pvt Ltd

Jun 2019 - Jul 2021 (2 years 1 month)

Contributed to Lucky1 and MyMed, delivering scalable web and mobile solutions. Designed robust APIs through R&D, managed React web apps and deployments, and built high-performance React Native apps. Utilized TypeScript/JavaScript with React and Inversify. Experienced in DevOps using GitLab, Jenkins, AWS CloudWatch, and Rundeck, with MySQL, Sequelize, and Swagger for data and documentation.

React React Native Redux Redux Saga Redux toolkit NodeJS ExpressJS Jenkins AWS Cloudwatch Rundeck Gitlab TypeScript JavaScript PHP VSCode Linux HTML CSS REST APIs WebSockets

Associate Software Engineer

Boswin Consultancies Pvt Ltd

Jan 2018 - Jun 2019 (1 year 5 months)

Contributed to SriPay by developing Merchant and iOS apps, demonstrating strong end to end mobile expertise. Led API research, design, and implementation using Spring Boot to enhance system performance. Built scalable Ionic 3 apps with TypeScript and handled MySQL queries and procedures. Experienced in Play Store publishing, ensuring smooth deployment, stability, and accessibility.