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I'm a results-driven Senior Software Engineer and Freelance Web Developer with 25+ years in IT and 20+ years in Java/JEE. I deliver robust, high-quality solutions under tight deadlines, with strong frontend and backend capabilities across modern web frameworks and backend technologies. I excel at remote collaboration, stakeholder engagement, and end-to-end project delivery from planning to deployment. I've built REST APIs, UI components, and integrations for complex systems, led DevOps tasks on Azure, and mentored teams to adopt Agile and TDD practices.…I'm a results-driven Senior Software Engineer and Freelance Web Developer with 25+ years in IT and 20+ years in Java/JEE. I deliver robust, high-quality solutions under tight deadlines, with strong frontend and backend capabilities across modern web frameworks and backend technologies. I excel at remote collaboration, stakeholder engagement, and end-to-end project delivery from planning to deployment. I've built REST APIs, UI components, and integrations for complex systems, led DevOps tasks on Azure, and mentored teams to adopt Agile and TDD practices.

Suwath Mihindukulasooriya

Web Developer, Full Stack Developer, Back-End Developer, +2

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I'm a results-driven Senior Software Engineer and Freelance Web Developer with 25+ years in IT and 20+ years in Java/JEE. I deliver robust, high-quality solutions under tight deadlines, with strong frontend and backend capabilities across modern web frameworks and backend technologies. I excel at remote collaboration, stakeholder engagement, and end-to-end project delivery from planning to deployment. I've built REST APIs, UI components, and integrations for complex systems, led DevOps tasks on Azure, and mentored teams to adopt Agile and TDD practices.…I'm a results-driven Senior Software Engineer and Freelance Web Developer with 25+ years in IT and 20+ years in Java/JEE. I deliver robust, high-quality solutions under tight deadlines, with strong frontend and backend capabilities across modern web frameworks and backend technologies. I excel at remote collaboration, stakeholder engagement, and end-to-end project delivery from planning to deployment. I've built REST APIs, UI components, and integrations for complex systems, led DevOps tasks on Azure, and mentored teams to adopt Agile and TDD practices.

Available to hire

I’m a results-driven Senior Software Engineer and Freelance Web Developer with 25+ years in IT and 20+ years in Java/JEE. I deliver robust, high-quality solutions under tight deadlines, with strong frontend and backend capabilities across modern web frameworks and backend technologies.

I excel at remote collaboration, stakeholder engagement, and end-to-end project delivery from planning to deployment. I’ve built REST APIs, UI components, and integrations for complex systems, led DevOps tasks on Azure, and mentored teams to adopt Agile and TDD practices.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Language

English

Fluent

Work Experience

Freelance Web Developer at Outlier AI Platform

July 1, 2025 - Present

Delivered React components using AI coding agents. Completed Python coding tasks for ML workflows; trained LLM modules, boosting productivity by 10%. Worked independently to meet strict deadlines in a fully remote environment.

Senior Java Developer at ACT Digital, ACT Government

April 1, 2024 - June 1, 2025

Delivered REST APIs and React components for public-facing platforms, increasing system revenue by 30%. Integrated legacy systems with Salesforce CRM, boosting productivity by 20%. Led DevOps tasks on Azure, creating CI/CD pipelines and applying Agile/TDD practices.

Senior Java Developer at Department of Home Affairs

November 1, 2021 - December 1, 2023

Designed integrations using ESB, MQ, SOAP/XML, REST API, DB2. Delivered React/Angular UI and microservice integration for border control systems. Built integration test frameworks with Spring Boot and H2.

Senior Java Developer at ACIC

April 1, 2020 - October 1, 2021

Enhanced National Police Check system, improving speed by 15% via performance testing and refactoring. Delivered web enhancements using JavaScript, HTML5, CSS, Bootstrap, JSP, Spring MVC.

Senior Application Software Engineer at Unisys / Home Affairs

February 1, 2016 - March 1, 2019

Architected event-driven enhancements for biometric systems. Deployed cloud-native proof of concept on AWS for biometric data sharing across Five Eyes nations. Improved processing capacity by 20% through workflow redesign.