Roman Mysan
Java Software Developer at Billennium
Lublin Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolRoman Mysan is a Java Software Developer with nine years of professional experience, currently building and maintaining cloud-native, data-driven applications at Billennium. He has a strong backend focus with Java 8 and Spring Boot, complemented by hands-on work across frontend frameworks (Vue, Angular), Node.js/TypeScript, Kubernetes, AWS services and MarkLogic/Oracle databases. Roman has delivered end-to-end projects in the clinical research domain—visualizing and sharing clinical data, automating document generation from JIRA, and integrating OAuth/Google APIs—demonstrating an ability to translate complex domain needs into reliable production features. He pairs pragmatic bug investigation and test-driven practices (Spock, JUnit, TestNG) with mentorship of junior developers. Based in Lublin, Poland, he holds both bachelor’s and master’s degrees in Computer Science and brings a practical full-stack perspective that often surfaces useful cross-stack optimizations not obvious from his Java-centric title.
9 years of coding experience
Bachelor’s Degree, Computer Science, Bachelor’s Degree, Computer Science at Lublin University of Technology
English, Polish, Українська
Github Skills (16)
algorithm10
data-structures10
fundamentals10
algorithms10
coding10
c-programming10
science10
computer-science10
javascript9
open-source9
clrs8
java6
python5
task-manager4
rubiks-cube1
Programming languages (9)
Github contributions (5)
moonik/insta
Feb 2017 - Sep 2018
Contributions:2 PRs, 78 pushes, 3 branches in 1 year 7 months
moonik/rent-office
Sep 2017 - Sep 2018
Contributions:4 PRs, 49 pushes, 3 branches in 11 months
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