Radek Simko
Software Engineer at hashicorp
London, England, United Kingdom
Summary
🤩
RockstarRadek Simko is a Senior Software Engineer with 14 years of experience specializing in Go, infrastructure automation, and release engineering, currently at HashiCorp. He is an active open-source maintainer and contributor across high-profile projects—most notably Goreleaser and several HashiCorp Terraform providers and SDKs—where he improves build, testing and provider reliability. Radek combines backend development, DevOps and cloud engineering skills to streamline CI/CD, debug complex provider interactions, and modernize tooling for teams. He has a history of practical tool-building in production (from macOS VM templates to Homebrew casks) and a knack for improving observability and testing infrastructure that reduces flakiness. Based in Stony Stratford, UK, he brings a pragmatic engineering mindset that favors maintainable automation and measurable developer productivity gains.
14 years of coding experience
Stackoverflow
16,016reputation
2.5mreached
32answers
111questions
terraform
top-5%
google-cloud-platform
top-5%
Github Skills (94)
visual-studio-code-extension10
google-cloud-platform10
parser10
cloud-computing10
package-management10
testing10
test-framework10
bash10
microsoft-azure10
url-parsing10
terraform10
gcp10
build-automation10
digitalocean10
homebrew-cask10
Programming languages (29)
Github contributions (5)
hashicorp/go-version
Apr 2019 - Dec 2022
A Go (golang) library for parsing and verifying versions and version constraints.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 19 reviews, 18 commits in 3 years 8 months
Contributions summary:Radek primarily contributed to the `go-version` library by implementing new functionalities and enhancing existing features. They added comprehensive test cases for version comparison operations, covering equal, greater than, less than, greater than or equal, and less than or equal comparisons. Furthermore, the user introduced new methods like `GreaterThanOrEqual` and `LessThanOrEqual`, and implemented checks for nil values in the `Equal` method. These changes indicate a focus on improving the library's robustness and feature set.
gogolangparsing
hashicorp/terraform-exec
Sep 2020 - Jan 2023
Terraform CLI commands via Go.
Role in this project:Backend Engineer & DevOps Engineer
Backend Engineer & DevOps EngineerContributions:4 releases, 224 reviews, 65 commits in 2 years 3 months
Contributions summary:Radek primarily contributed to the `terraform-exec` project by improving its functionality and maintainability. They addressed dependency management issues by preventing the use of `-mod=vendor` when a vendor folder doesn't exist, and modified test execution to skip Linux-dependent tests on other operating systems. Furthermore, they worked on implementing a formatting command based on Terraform version, and also cleaned up the tests. The user demonstrates expertise in Go and Terraform development, and contributed to improving the projects testing infrastructure.
goterraform-cliterraformterraform-sdk
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