Piotr Poniedziałek
Scala Engineer at Snowplow
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolPiotr Poniedziałek is a Scala engineer based in Warsaw with 10 years of experience building backend systems and security-focused integrations. He currently applies his expertise at Snowplow after multi-year backend roles at TouK and earlier Java work at Decerto, bringing solid enterprise-grade development experience. Piotr contributes to open-source security tooling, notably improving the URI regex decoding and rule logic in the popular Elasticsearch ReadonlyREST plugin and adding integration tests to harden behavior. His academic background in computer science and mechatronics from Politechnika Warszawska underpins a systems-oriented approach and attention to robustness. He combines practical JVM/Scala skills with a pragmatic focus on testable, auditable security rules and scalable data processing. Colleagues would describe him as a detail-minded engineer who surfaces subtle protocol and rule-edge cases before they reach production.
10 years of coding experience
4 years of employment as a software developer
Warsaw University of Technology
Polish, English, German
Github Skills (12)
security10
elasticsearch10
elasticsearchquery10
aws-elasticsearch10
regex10
elasticsearch-api10
amazon-elasticsearch10
java9
scala9
kibana9
javas9
netty7
Programming languages (6)
Github contributions (5)
sscarduzio/elasticsearch-readonlyrest-plugin
Sep 2019 - Dec 2021
Free Elasticsearch security plugin and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 24 commits, 18 PRs in 2 years 4 months
Contributions summary:Piotr's commits primarily focus on adjusting and improving the functionality of the `UriRegexRuleDecoder` within the Elasticsearch security plugin. This involved modifications to the URI regex decoder and the rule logic to handle sets of patterns. The user also added an integration test, demonstrating a clear focus on ensuring the robustness and proper functionality of the security rules.
authorizationelasticsearch-securitysecurityauthenticationkibana
snowplow-incubator/scala-lru-map
Feb 2022 - Feb 2022
Pure LRU map implementation
Contributions:1 release, 43 commits, 2 PRs in 13 days
maplru
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