Krzysztof Dębski
Senior Java Developer at Connectis_
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolKrzysztof Dębski is a Senior Java Developer with over 10 years of experience building backend systems for finance, telecom, lottery and gaming industries, currently based in Warsaw. He has a strong track record in high-throughput and streaming architectures (Apache Kafka, Apache Storm) and enterprise CRM and lottery platforms. As an active contributor to the well-known PMD static analysis project, he has deep practical knowledge of Java language intricacies and test-driven improvements to code analysis rules. Krzysztof combines solid academic training in computer science and finance with hands-on engineering leadership across multinational teams. He is comfortable tackling subtle language-edge bugs (e.g., lambda handling in records) and improving tooling that helps teams maintain cleaner codebases. Colleagues value him for reliably turning complex, production-critical requirements into maintainable solutions.
10 years of coding experience
8 years of employment as a software developer
Master's degree, Finance and Accounting, Master's degree, Finance and Accounting at Szkoła Główna Handlowa w WarszawieMaster of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at University of Warsaw
English, Polish
Github Skills (8)
linter10
javas10
static-code-analysis10
code-analysis10
software-quality10
java10
junit9
apex3
Programming languages (6)
Github contributions (5)
pmd/pmd
Dec 2022 - Jul 2024
An extensible multilanguage static code analyzer.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 5 PRs, 15 comments in 1 year 7 months
Contributions summary:Krzysztof primarily contributed to the Java codebase, focusing on static code analysis aspects of the project. Their work involved fixing issues related to lambda expressions in record compact constructors, adding new test cases for these features, and modifying the UnusedPrivateMethodRule to address various scenarios. The user also improved the rule by generalizing annotation handling and ignoring methods referenced by annotation attributes. Additionally, they streamlined the processing of MethodSource annotations.
lintercode-analyzercode-qualityresharperstatic-code-analyzer
kdebski85/jcasbin
May 2023 - Mar 2025
An authorization library that supports access control models like ACL, RBAC, ABAC in Java
Contributions:7 pushes, 1 branch in 1 year 9 months
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