Rafal Korepta
Software Engineer at Redpanda Data
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolRafal Korepta is a software engineer with nine years of experience building cloud-native, production-grade systems and CI/CD workflows, currently working at Redpanda Data in Warsaw. He has deep hands-on expertise in Kubernetes, operators, Helm and Golang—contributing to the Redpanda operator by migrating it to kubebuilder, adding admission webhooks, and improving code quality. His background spans DevOps and backend roles at F5 and Atena, where he designed OpenShift CI/CD pipelines, optimized AWS costs, and built observability for Kafka. A quick learner who transitioned careers via the Cloud Native Computing Foundation, Rafal combines low-level systems knowledge (kernel and Android work earlier in his career) with modern cloud orchestration practices. He brings a pragmatic focus on operator-driven automation and deployability, proven by marketplace and deployment contributions for DigitalOcean and Redpanda.
9 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Warsaw University of Technology
Polish, English
Github Skills (14)
redpanda10
kubernetes10
go10
helm10
kubernetes-pods10
webhooks10
yaml10
devops9
cloud-computing9
golangci-lint9
infrastructure-as-code8
dockers7
docker7
git6
Programming languages (15)
Github contributions (5)
redpanda-data/redpanda
Jan 2021 - Jan 2023
Redpanda is a streaming data platform for developers. Kafka API compatible. 10x faster. No ZooKeeper. No JVM!
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:1 release, 1538 reviews, 327 commits in 2 years
Contributions summary:Rafal's contributions focused on refactoring and improving the internal structure of the Redpanda operator, specifically by migrating existing logic to the more modern Kubernetes Operator SDK using kubebuilder. They implemented Mutating and Validating Webhooks to control the operator behavior. They also addressed various golangci-lint issues related to best practices. Additional changes include integration of external connectivity and adjustments to the cluster.
jvmkafkaredpandastreaming-datazookeeper
digitalocean/marketplace-kubernetes
May 2021 - Sep 2021
This repository contains the source code and deployment scripts for Kubernetes-based applications listed in the DigitalOcean Marketplace.
Role in this project:DevOps Engineer
DevOps EngineerContributions:1 review, 5 commits, 5 PRs in 3 months
Contributions summary:Rafal's contributions focused on the deployment and management of the Redpanda operator within a Kubernetes environment, as indicated by their work modifying deployment scripts and Helm charts. They added, upgraded, and uninstalled the Redpanda operator, demonstrating expertise in Helm, Kubernetes manifests, and YAML configuration. Furthermore, the user streamlined the deployment process and addressed issues in the context of the digitalocean/marketplace-kubernetes repository.
digitaloceankubernetescloud
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