Juha Ylitalo
Senior Cloud Engineer at F-Secure Corporation
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolJuha Ylitalo is a Senior Cloud Engineer with 11+ years of hands-on experience designing and operating AWS infrastructure, specializing in infrastructure-as-code, CI/CD and migrations from servers to containers and serverless. He blends ops rigor with software development and test automation skills—comfortable scripting in Python, Ruby and JavaScript, authoring Terraform and CloudFormation, and contributing Go patches to notable projects like the Prometheus CloudWatch exporter. Throughout roles at Nokia, NordCloud, Reaktor and now F-Secure, he has led platform engineering for high‑traffic media and financial systems, cost optimization and AWS best-practice audits. Juha has a pragmatic focus on maintainability and automation, demonstrated by refactors, test additions and feature work in open-source libraries such as octokit.rb. Based in Helsinki, he’s unafraid to learn new tools or languages to solve problems and has even applied his skills in atypical settings, from medical device test automation to enabling quantum-computing-as-a-service infrastructure.
11 years of coding experience
26 years of employment as a software developer
The Finnish Matriculation Examination, The Finnish Matriculation Examination at Kauniaisten LukioUndergraduate Computer Science, Undergraduate Computer Science at University of Helsinki
Finnish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (17)
octokit10
back-end-development10
prometheus-exporter10
ruby10
go10
prometheus10
sdk10
aws10
github-api10
cloudwatch10
rspec9
yaml9
refactoring9
cicd8
software-design8
Programming languages (11)
Github contributions (5)
prometheus-community/yet-another-cloudwatch-exporter
Jul 2020 - Jan 2022
Prometheus exporter for AWS CloudWatch - Discovers services through AWS tags, gets CloudWatch metrics data and provides them as Prometheus metrics with AWS tags as labels
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:35 commits, 43 PRs, 14 comments in 1 year 6 months
Contributions summary:Juha primarily focused on enhancing the application's functionality and maintainability within the context of the Prometheus exporter. They implemented support for a list of role ARNs, which involved code modifications across multiple files (abstract.go, config.go) and included handling breaking changes. Further contributions included code formatting using 'go fmt' and refactoring to improve code clarity and efficiency, such as replacing a switch statement with a map in getNamespace and various dead code removals. These actions suggest a solid understanding of Go, CloudWatch exporter implementation, and attention to software quality.
exporterprometheus-exportercost-optimizationamazonamazon-web-services
octokit/octokit.rb
Apr 2020 - May 2020
Ruby toolkit for the GitHub API
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 1 PR, 6 comments in 1 month
Contributions summary:Juha's primary contribution involves adding features and functionality related to GitHub Actions secrets within the `octokit.rb` library, which is a Ruby toolkit for interacting with the GitHub API. Their work includes implementing methods for interacting with the Actions Secrets API, such as retrieving public keys, listing secrets, creating/updating secrets, and deleting secrets. They also added relevant tests and addressed related code changes, demonstrating a focus on enhancing the library's capabilities around GitHub Actions.
apioctokit-rbsdkruby
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