Marcin Witalis
Senior Developer at Mentor Graphics
Katowice, Silesian Voivodeship, Poland
Summary
🤩
RockstarMarcin Witalis is a Senior Developer with 7 years of experience building cloud-native and backend systems from Katowice, Poland. Currently at SAP and previously leading a Java team at Mentor Graphics, he blends hands-on backend development with DevOps and cloud engineering expertise. He has contributed to the Kyma project, implementing GraphQL service APIs and improving test-infrastructure automation—work that includes GKE provisioning, MinIO gateway automation, CI/CD pipelines, and reliability fixes for test environments. Comfortable crossing the boundary between application code and infrastructure, he focuses on practical automation that reduces toil and strengthens CI reliability. Colleagues would describe him as a pragmatic engineer who elevates developer productivity through small, impactful infrastructure changes.
7 years of coding experience
1 year of employment as a software developer
English, Polish
Github Skills (22)
kubernetes10
docker10
bash10
cloud-infrastructure10
wpgraphql10
dockers10
cicd10
gcp10
go10
wordpress-graphql10
kubernetes-pods10
graphql10
g10
github-ci9
automation9
Programming languages (5)
Github contributions (5)
kyma-project/kyma
Mar 2019 - Dec 2022
Kyma is an opinionated set of Kubernetes-based modular building blocks, including all necessary capabilities to develop and run enterprise-grade cloud-native applications.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:253 reviews, 101 commits, 233 PRs in 3 years 9 months
Contributions summary:Marcin contributed to the development of a console-backend-service, specifically adding queries and subscriptions for Kubernetes services. They modified the GraphQL schema to include new types and resolvers for services, including functions to retrieve and update service information. The user also implemented GraphQL mutations for services, including methods for updating and deleting services within the Kubernetes cluster.
flexibledevopscloud-foundryopenui5sap-hana
kyma-project/test-infra
Apr 2019 - Dec 2022
Role in this project:DevOps Engineer & Cloud Engineer
DevOps Engineer & Cloud EngineerContributions:44 reviews, 36 commits, 72 PRs in 3 years 7 months
Contributions summary:Marcin focused on enhancing the infrastructure and automation aspects of the Kyma test-infra repository. Contributions included implementing and refining GKE cluster provisioning scripts, automating MinIO gateway integration, and configuring CI/CD pipelines for various test jobs. The user also addressed dependency issues and improved the overall reliability of the automated testing environment, including the GCS cleaner.
test-kitchenkymatest-infrastructuretestinginfrastructure
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