Kasun Ranawaka is a Senior Software Engineer with 11+ years of professional experience building scalable, service-oriented systems across public sector and enterprise clients. Currently at Sonatype, he brings deep backend expertise from roles at GOV.UK Pay, Visa Europe, and eBay, working with Java, Node.js, Docker, Postgres and IaC tools like Ansible and Terraform. His background spans software architecture and consultancy, having led projects as a Senior Architect at Virtusa and delivered mission-critical payment and platform services using TDD, microservices and performance testing. Based in Stony Stratford, he combines hands-on coding with architectural thinking and a track record of moving legacy systems toward cloud-native, automated deployments. An early-career lecturer turned seasoned engineer, he leverages teaching instincts to mentor teams and communicate complex technical trade-offs clearly.
11 years of coding experience
18 years of employment as a software developer
Bsc (Hons), Computer Science, Bsc (Hons), Computer Science at University of Portsmouth
Our release HUD, showing releases move through GOV.UK Pay's pipeline
Contributions:4 PRs, 1 push, 4 branches in 10 months
govpaypipelinehudgovuk
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