Experience

Where I've worked, what I shipped, and how the title kept changing while the curiosity stayed the same.

7+ yrs

Engineering enterprise software

Companies, six titles, one craft

25+

Technologies mastered in production

💼

The Companies

Full-time · Colombo, Sri Lanka

1 yr 3 mos

Design and maintain modular Java systems and Spring Boot REST APIs on Clean Architecture principles, keeping distributed application layers maintainable for the long haul.
Lead the end-to-end migration of legacy modules from Java 8 to 17 — adopting modern language features, strengthening security posture, and improving runtime performance.
Maintain and extend a Kotlin-based API testing framework, broadening automated coverage across service integrations.
Independently proposed and single-handedly built a centralized Jenkins build-management tool with GitHub Copilot, standardizing CI/CD across every engineering team.
Champion the company's AI initiative, driving GitHub Copilot adoption to lift developer productivity and delivery velocity.

Java 17Spring BootClean ArchitectureKotlinJenkinsCI/CDGitHub CopilotLegacy Modernization

Full-time · Colombo, Sri Lanka

4 yrs 9 mos

Spearheaded R&D of an AI-powered renewable-energy mini-grid platform — integrating inverters, PLCs, and smart devices via Azure IoT Hub (MQTT) and deploying ML models for energy demand and generation forecasting. (SLASSCOM Award)
Led development of enterprise web apps across education and healthcare (LMS, HIMS) and an automated recruitment platform with Spring Boot, Java 11/17, MongoDB, and Payara — following Clean Architecture, DDD, and SOLID.
Architected CI/CD pipelines for blue-green, zero-downtime deployments using GitHub Actions, Maven, Docker, and shell scripting, from GitHub to Azure.
Managed Azure infrastructure across dev, staging, and production with Terraform and Ansible — VMs, MySQL Flexible Servers, load balancers, and NGINX reverse proxies with SSL and active-passive failover.
Contributed C++ firmware for ESP8285/ESP8266 Tasmota smart devices and shipped Firebase MVPs (Firestore, Hosting, Storage) at reduced cloud cost.
Mentored 20+ engineers and interns in solution design, Git workflows, and clean-code standards, and led technical hiring across intern, associate, and SE roles.

Java 11/17Spring BootAzure IoT HubMQTTMachine LearningTerraformAnsibleGitHub ActionsDockerMongoDBDDD / SOLIDC++ (IoT)Firebase

Full-time · Colombo, Sri Lanka

1 yr 8 mos

Built RESTful microservices for LMS products with Spring Boot, Java, and MongoDB — feature work, bug fixes, and unit-test coverage with Grafana-based monitoring.
Supported AWS hosting through Jenkins CI/CD and Bitbucket — working with EC2, S3, and Elastic Load Balancers.
Engineered an ML-based security app using computer vision and face detection to automate screen-lock based on user presence.

JavaSpring BootMongoDBMicroservicesAWSJenkinsComputer VisionGrafana

See the systems behind these roles, or trace how the whole path fits together.