Łukasz Szczęsny
Principal Software Engineer at Five nines
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolŁukasz Szczęsny is a Principal Software Engineer with 14 years of experience building and scaling cloud-native infrastructure, currently based in Warsaw and leading engineering efforts at Palo Alto Networks. He combines deep SRE and DevOps expertise from roles at Chronosphere and Uber with entrepreneurial drive as the founder of Five nines, focusing on reliable automation and infrastructure-as-code. His open-source contributions include improving opinionated CI/CD pipelines (Concourse and Jenkins) and integrating Ansible, reflecting a practical emphasis on reproducible deployments and build-time efficiency. Łukasz has a long track record in systems engineering and platform reliability stretching back to university operations at the University of Warsaw, giving him a pragmatic, operations-first perspective. Colleagues know him for refactoring complex pipelines into maintainable automation and for bridging hands-on scripting with architectural design. He brings a rare blend of production-hardened tooling experience and ownership mindset that accelerates delivery in high-availability environments.
14 years of coding experience
16 years of employment as a software developer
Computer Science, Computer Science at University of Warsaw
Github Skills (19)
scripting10
bash10
cicd10
automation10
script10
ansible10
sh10
infrastructure-as-code10
jenkins10
ansible-galaxy10
jenkins-ci10
automations10
shell10
cloud-foundry9
maven6
Programming languages (15)
Github contributions (5)
spring-attic/spring-cloud-pipelines
Feb 2017 - Aug 2018
[DEPRECATED] Codebase containing Concourse and Jenkins opinionated pipelines. Moved to https://github.com/CloudPipelines/
Role in this project:
DevOps Engineer
DevOps EngineerContributions:21 commits, 21 PRs, 3 comments in 1 year 6 months
Contributions summary:Łukasz primarily focused on enhancing the project's build and deployment pipelines. They refactored scripts to support both Concourse and Jenkins, and integrated Ansible for infrastructure management. Their contributions involved modifying shell scripts for various stages of the pipeline, including testing, deployment, and environment setup, showcasing a strong focus on automation and infrastructure-as-code practices. They added support for Jenkins declarative pipelines and refined various scripts.
jenkinsgatlinggocdconcoursepipelines
wybczu/dotfiles
May 2012 - Feb 2022
My configs
Contributions:123 commits, 2 PRs, 69 pushes in 9 years 10 months
dotiflesconfigsconfigasdfdotfiles
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