Experience & education
Where I've worked and what I studied.
Experience
Oct 2022 - Present
Software Developer
P&I Hellas
- Maintained compliance for a government tax-filing integration, bridging a native C library via JNI and adapting to evolving regulatory specifications.
- Reintroduced integration tests and authored technical documentation for the integration layer, improving team onboarding and long-term maintainability.
- Diagnosed and resolved complex edge cases in core payroll logic built on Apache Drools, working with domain experts to ensure accurate, legally compliant processing.
- Designed and implemented legal reports in Eclipse BIRT for submission to government authorities.
- Cut runtime of time-intensive Spring Batch jobs by 70%, primarily by refactoring JPQL queries.
Education
Sep 2014 - Feb 2023
Integrated M.Sc. - Computer Science and Engineering
University of Ioannina
Thesis: "Fully Dynamic Reachability Algorithms for Directed Graphs", implemented in C++.