Thilina Madumal
Senior Site Reliability Engineer at Zalando
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolThilina Madumal is a Senior Site Reliability Engineer based in Berlin with 11 years of hands-on experience spanning development, DevOps, SRE, and technical leadership. He currently drives reliability and platform engineering at Zalando, focusing on scalable, production-grade systems and observability. His background in backend development is reinforced by meaningful open-source contributions to WSO2 identity projects, where he improved OAuth server behavior and addressed code quality and integration issues. A University of Moratuwa computer science graduate with a strong academic record, he blends deep systems knowledge with pragmatic engineering and a focus on maintainability. Colleagues know him for resolving thorny integration conflicts and bringing clarity to complex authentication and identity stacks. He combines SRE rigor with a developer’s attention to code health, making him effective across both incident response and long-term platform improvements.
11 years of coding experience
Bachelor’s Degree, Computer Science and Engineering, GPA of 3.62/4.2, Bachelor’s Degree, Computer Science and Engineering, GPA of 3.62/4.2 at University of MoratuwaHigh School, G.C.E A/L , G.C.E. O/L, G.C.E A/L : 4As And G.C.E. O/L : 9As & 1B, High School, G.C.E A/L , G.C.E. O/L, G.C.E A/L : 4As And G.C.E. O/L : 9As & 1B at Ananda College - Chilaw
English, singhala
Stackoverflow
101reputation
57kreached
3answers
3questions
Github Skills (17)
debug10
identity10
jdbc10
java10
javas10
oauth10
database-management8
file-storage6
azure-files6
airflow6
docker-swarm6
docker6
python6
resampling6
datetime6
Programming languages (4)
Github contributions (5)
wso2-extensions/identity-inbound-auth-oauth
Jun 2017 - Oct 2017
Role in this project:
Back-end Developer
Back-end DeveloperContributions:17 commits, 10 PRs, 34 comments in 4 months
Contributions summary:Thilina primarily contributed to the back-end logic of the OAuth server by adding functionality to skip role validation in the JDBC scope validator handler. They also addressed code quality issues through sonar fixes across multiple files, indicating a focus on code maintainability. Furthermore, the user merged master and resolved conflicts, showcasing an understanding of code integration. These commits demonstrate modifications and improvements within the core OAuth server functionalities.
identity
wso2/carbon-identity-framework
Jun 2017 - Aug 2017
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 commits, 8 PRs, 17 comments in 1 month
Contributions summary:Thilina primarily focused on bug fixes and improvements within the WSO2 carbon-identity-framework repository. Their commits addressed issues related to sonar bug fixes, authenticator configuration, and code formatting. They also made changes to IDP management and database configurations, demonstrating involvement in backend logic and system configuration.
identity
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