Jayasanka Weerasinghe
Technical Lead at Google Summer of Code
Colombo, Western Province, Sri Lanka
Summary
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Rockstar🎓
Top SchoolJayasanka Weerasinghe is a Technical Lead with 8 years of experience building scalable, open-source healthcare platforms and data pipelines from Colombo, Sri Lanka. He currently leads a Chan Zuckerberg Initiative–backed effort to transform OpenMRS data into OMOP CDM and has architected automated test suites and load-testing infrastructure that support over 8,100 sites and 22 million patients worldwide. Comfortable across product, infrastructure, and community operations, he has driven major migrations (OpenMRS ID, Atlassian) and automated country-level testing for Ethiopia and Kenya to accelerate national rollouts. He also co-founded and led open-source education initiatives in Sri Lanka, launching mentorship and resource platforms, and has a track record of doubling GSoC participation while ensuring a 100% project pass rate. Jayasanka blends hands-on engineering with community stewardship, often solving hard reliability and scalability problems that quietly enable large-scale public health impact.
8 years of coding experience
5 years of employment as a software developer
Bachelor of Engineering - BEng, Computer Software Engineering, First Class Honours, Bachelor of Engineering - BEng, Computer Software Engineering, First Class Honours at University of WestminsterPHYSICAL SCIENCES, PHYSICAL SCIENCES at St. Anthony's College Kandy
Stackoverflow
154reputation
16kreached
13answers
0questions
Github Skills (104)
adx10
microfrontend10
backbonejs10
rest-api10
backward-compatibility10
rest10
emr10
mysql10
foundation10
typescript10
java10
ui-framework10
tamil10
openmrs10
health10
Programming languages (16)
Github contributions (5)
jayasanka-sack/openmrs-contrib-qaframework
Jun 2021 - Jun 2024
Contributions:10 reviews, 13 PRs, 146 pushes in 3 years
jayasanka-sack/openmrs-distro-referenceapplication
Oct 2023 - Jan 2025
Contributions:10 PRs, 113 pushes, 14 branches in 1 year 3 months
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