Grzegorz Eliszewski
DevOps at SumUp
Gdańsk, Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Eliszewski is a DevSecOps engineer with 11 years of hands-on experience designing and operating highly available, scalable, and secure distributed systems, with a strong focus on Kubernetes (AKS, EKS, GKE) and cloud-native tooling. Currently at SumUp, he architects CI/CD and infrastructure using Terraform/Terragrunt, Crossplane, Helm, GitHub Actions and AWS, while coding automation in Go and hardening environments with security best practices. His background spans Big Data and enterprise CI/CD at DXC, Nordea and Intel, bringing deep experience with Ansible, OpenShift, Spark/Hadoop, and build/automation systems. He contributes to OSS testing tooling (specinfra) improving cross-distro server test coverage, reflecting a practical emphasis on reliable automation and QA. Based in Gdańsk with a master’s in robotics, he blends systems-level engineering with an operator’s mindset to build self-healing platforms. Notably, he pairs production-grade infrastructure expertise with a tester’s attention to detail, ensuring deployments are both resilient and verifiable.
11 years of coding experience
9 years of employment as a software developer
Master's Degree, Robotics, Master's Degree, Robotics at Gdansk University of Technology
Polish, English
Github Skills (6)
test-automation10
ruby10
opensuse9
sles9
ubuntu8
debian8
Programming languages (14)
Github contributions (5)
mizzy/specinfra
Mar 2017 - Mar 2017
Command Execution Framework for serverspec, itamae and so on
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 commits, 9 PRs, 12 comments in 9 days
Contributions summary:Grzegorz primarily focused on improving the testing infrastructure within the `specinfra` repository. They addressed issues in unit tests for OS detection, specifically targeting openSUSE, SLES, Debian and Ubuntu. The contributions involved modifying existing tests and adding new test cases to ensure accurate OS identification across different versions and environments.
test-kitchenserverspecrubyserveritamae
es1o/esioci
Jul 2016 - Feb 2018
Contributions:131 pushes, 3 branches in 1 year 7 months
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