Karol Lipiec is a Java software engineer with 11 years of experience building back-end systems across fintech and enterprise domains, currently contributing at Silent Eight while also training developers at infoShare Academy. He has strong hands-on expertise in Java, configuration and LDAP integration, demonstrated by contributions to the widely used Apereo CAS single sign-on project where he focused on refactoring and stabilizing LDAP connectivity. His career spans roles at Verestro, Sii Poland and Asseco, giving him deep familiarity with scalable backend architectures and production-grade reliability. Based in Lublin Voivodeship, Poland, Karol combines practitioner-level engineering with a commitment to mentoring, often translating complex authentication and configuration challenges into maintainable solutions.
11 years of coding experience
2 years of employment as a software developer
Magister inżynier (Mgr inż.), Informatyka, Magister inżynier (Mgr inż.), Informatyka at Politechnika Lubelska
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Role in this project:
Back-end Developer
Contributions:20 commits, 8 PRs, 14 comments in 4 months
Contributions summary:Karol primarily contributed to back-end logic and configuration aspects within the Apereo CAS project. Their work involved refactoring code, updating configuration files, and addressing reported issues. Specific commits include modifications to the AuthenticationExceptionHandler class and changes related to LDAP configuration and connection pooling. The user's changes show a focus on improving stability, and correctness of the LDAP integration.
Contributions:5 pushes, 13 branches, 3 tags in 4 months
signapereo-cassingle-sign-onauthenticationapereo
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.