Wiktor Kłosowski
Software Engineer at Google
Krakow, Lesser Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolWiktor Kłosowski is a seasoned software engineer with 13 years of experience specializing in cloud-native migrations, Kubernetes, and backend systems, now working at Google from Krakow. He has led teams through complex cloud migrations at Sabre, containerizing legacy workloads and replacing components with GCP-native solutions while driving architectural and security improvements. Hands-on across the stack, he has built Java/Spring services, automated tests, and production tooling on AWS, GCP, and OpenShift, and mentored engineers through large-scale refactors. An active open-source contributor, he has contributed to high-profile projects like the Azure Terraform provider and GoogleCloudPlatform's infrastructure toolkit, improving IaC schemas, state handling, and test reliability. He combines pragmatic engineering with a strong testing and DevOps mindset, often focusing on performance and resource efficiency in both code and infrastructure. Beyond day-to-day delivery, he brings a knack for reverse engineering legacy systems and translating business-critical requirements into maintainable, cloud-first architectures.
13 years of coding experience
13 years of employment as a software developer
Master in Computer Science Software Engineering, Master in Computer Science Software Engineering at Jagiellonian University
English, Polish
Github Skills (32)
data-visualizations10
api-management10
caching10
lib10
pytest10
python10
multithreading10
testing10
css10
data-visualisation10
microsoft-azure10
terraform10
terraform-provider10
java10
azure-resource-manager10
Programming languages (12)
Github contributions (5)
JOSM/josm
May 2015 - Mar 2021
!!!Mirror!!! of JOSM Subversion repository
Role in this project:
Back-end Developer
Back-end DeveloperContributions:250 commits, 1 PR, 2 comments in 5 years 11 months
Contributions summary:Wiktor primarily addressed bug fixes and implemented new features related to caching mechanisms within the JOSM project. Their contributions included resolving errors during tile loading from the cache, introducing an infinite queue for tile loading and clearing, and refactoring the handling of exceptions to ensure the proper functioning of the system. Additionally, the user improved code, fixed broken code, and worked on optimizing the memory utilization of the cache and fixed an issue related to retrieving images from disk.
subversionsvnmirrorjavaeditor
GoogleCloudPlatform/cloud-foundation-fabric
Mar 2022 - Jan 2023
End-to-end modular samples and landing zones toolkit for Terraform on GCP.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:1 release, 363 reviews, 22 commits in 9 months
Contributions summary:Wiktor primarily contributed to test suite maintenance and bug fixing within the cloud-foundation-fabric repository. Their work focused on updating and correcting test cases across multiple modules, including cloud functions, folder-level logging, and GKE hub configurations. These changes involved fixing references to resources and adjusting test assertions to align with expected outputs, thereby ensuring the reliability of the infrastructure provisioning and configuration.
gcpvultrcdrend-to-endvcenter
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