Mateusz Kołodziejczyk
Software Engineer at TouK
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolMateusz Kołodziejczyk is a seasoned software engineer with 11 years of experience across backend, mobile and security-focused projects, currently contributing at Nussknacker and leading architecture work at ReadonlyREST Security. He blends strong Scala and JVM expertise with hands-on security engineering—having implemented LDAP authentication for a widely used Elasticsearch security plugin and improved its integration tests and code quality. Comfortable across stacks from .NET and C++ to Android/iOS, he favors functional programming and has a pragmatic dislike of dynamic typing. Based in Warsaw, he pairs formal computer science training with project management studies to deliver robust, testable systems and practical integrations for multitenant and enterprise scenarios.
11 years of coding experience
6 years of employment as a software developer
Postgraduate studies, Project Management, Postgraduate studies, Project Management at Warsaw School of EconomicsMaster of Computer Science, Faculty of Electronics and Information Technology, Computer Science, Information Systems Engineering, Master of Computer Science, Faculty of Electronics and Information Technology, Computer Science, Information Systems Engineering at Warsaw University of Technology
Polish, English
Stackoverflow
21reputation
914reached
2answers
0questions
Github Skills (14)
javas10
ldap10
user-authentication10
authorizations10
authentication10
authorization10
java10
security10
testing8
vue-directive6
html6
javascript6
vue6
aws-cdk6
Programming languages (8)
Github contributions (5)
sscarduzio/elasticsearch-readonlyrest-plugin
Feb 2017 - Jan 2023
Free Elasticsearch security plugin and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:368 reviews, 515 commits, 907 PRs in 6 years
Contributions summary:Mateusz's primary contributions focused on implementing and supporting LDAP authentication and authorization within the Elasticsearch plugin. They developed the `UnboundidLdapClient.java` class, along with associated interfaces and builders, to provide support for LDAP. The user also integrated better integration tests, including LDAP integration tests to improve the overall security capabilities of the plugin. Furthermore, their work also involved addressing various checkstyle and code quality issues.
authorizationelasticsearch-securitysecurityauthenticationkibana
coutoPL/elasticsearch-readonlyrest-plugin
Dec 2018 - Sep 2024
Free Elasticsearch security plugin and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing
Contributions:1014 pushes, 608 branches in 5 years 9 months
authorizationelasticsearch-securitysecurityauthenticationkibana
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