Roshan Wickramasingha
Lead Software Engineer at IFS
Gothenburg, Sweden
Summary
🤩
Rockstar🎓
Top SchoolRoshan Wickramasingha is a Lead Software Engineer based in Gothenburg with 13 years of experience building compilers, runtimes, distributed middleware, and DevOps tooling for enterprise systems. He has deep hands-on expertise in the Ballerina language—implementing XML and service types, semantic subtyping, a distributed two-phase commit engine, and owning the taint analyzer—while also contributing full-stack improvements to the ballerina.dev website. At Volvo Cars he improved HIL test infrastructure and CI/CD pipelines, and elsewhere he built source-to-source compilers, high-performance ETL systems, and a transparent DB proxy to reduce vendor lock-in. Comfortable across the stack, Roshan blends language-design rigor with pragmatic systems engineering and a track record of mentoring teams. He’s driven by reducing developer friction and enabling reliable distributed systems, and actively brings open-source contributions into production-quality engineering.
13 years of coding experience
11 years of employment as a software developer
Bachelor of Science of Engineering (BSc Eng), Computer Engineering, Bachelor of Science of Engineering (BSc Eng), Computer Engineering at University of Peradeniya
Sinhala, English, Swedish
Stackoverflow
1,595reputation
99kreached
36answers
10questions
Github Skills (14)
programming-language10
website-development10
ballerina10
apidoc9
javascript9
api9
html9
integrate8
integrations8
wso26
windows6
asynchronous6
reactive-programming6
mysql6
Programming languages (5)
Github contributions (5)
ballerina-platform/ballerina-lang
Jul 2018 - May 2022
The Ballerina Programming Language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:599 reviews, 2469 commits, 732 PRs in 3 years 10 months
Contributions summary:Roshan primarily contributed to the Ballerina Programming Language project by implementing new features and addressing bug fixes related to error handling and type compatibility. Their contributions included modifying the semantics analyzer to add and validate type definitions for error types, and implementing the support for service object type definitions and associated enhancements. They also worked on the runtime API for service resources by integrating a new API.
compilerprogramming-languageinterpreterballerinaballerina-lang
ballerina-platform/ballerina-dev-website
Dec 2019 - Oct 2021
Dev version of the ballerina.io website
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:28 reviews, 35 commits, 9 PRs in 1 year 10 months
Contributions summary:Roshan's commits primarily involve modifications to the website's content and structure. They are merging branches and updating the search index, indicating work on site navigation and content organization. The changes encompass both front-end elements, such as modifying HTML and UI, and backend aspects in `js/searchIndex.js`, showcasing a focus on delivering an up-to-date and functional website. Further contributions include introducing new example pages and modifying existing content.
ballerinadev
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.