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Tero Virtanen

PROFILE

Tero Virtanen

Tero Virtanen engineered robust CI/CD automation and pipeline configurations across multiple City-of-Helsinki repositories, including drupal-emergency-site and notification-service-api. He modernized release workflows by introducing main-branch triggers, automated release gating, and SonarQube integration, using YAML and Properties for configuration. Tero leveraged Ansible, Azure Pipelines, and GitHub Actions to overhaul Drupal deployment pipelines, streamline staging and production environments, and standardize Django API CI for Python projects. His work reduced manual release effort, improved deployment reliability, and enhanced code quality visibility. By aligning automation with evolving branch strategies, Tero ensured consistent, maintainable workflows that accelerated safe releases and improved operational stability.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

10Total
Bugs
1
Commits
10
Features
5
Lines of code
251
Activity Months5

Work History

August 2025

2 Commits • 1 Features

Aug 1, 2025

Monthly performance summary for 2025-08: Focused on CI/CD modernization for City-of-Helsinki/notification-service-api, establishing main-branch triggers, a shared Django API CI configuration, and SonarQube integration for Python projects. These changes enable faster, more reliable releases, improve code quality visibility, and reinforce consistent release workflows across repositories.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025—City-of-Helsinki/drupal-emergency-site: Delivered a Drupal Staging Pipeline Configuration to ensure staging is correctly triggered and managed within CI/CD. The drupal-test pipeline was updated to exclude the new staging configuration from its triggers, preserving test integrity. This work improves deployment reliability, reduces risk during promotions to staging, and enhances environment parity between staging and production.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025: Updated CI/CD automation to align with the repository's default branch rename (master to main) across release-please.yml, kukkuu-api-dev.yml, and kukkuu-api-review.yml, ensuring builds, releases, and reviews consistently target main. This change reduces branch-name drift risk, improves automation reliability, and supports faster release cycles.

January 2025

3 Commits • 1 Features

Jan 1, 2025

January 2025: Stabilized CI/CD and release workflows across two City of Helsinki repositories. Key outcomes include cleaning up obsolete CI references in drupal-emergency-site and implementing main-branch gating with automated releases in servicemap-ui. These changes reduce build confusion, minimize manual release effort, and improve deployment reliability.

December 2024

3 Commits • 1 Features

Dec 1, 2024

December 2024 highlights for City-of-Helsinki/drupal-emergency-site: Delivered a comprehensive overhaul of the Drupal CI/CD pipelines to improve release reliability, speed, and maintainability. Implemented a dedicated Drupal testing CI pipeline alongside a production deployment pipeline, and removed staging/test references from triggers. Decommissioned the legacy build pipeline and realigned automation scripts to support testing and integration of new automation workflows. This work enhances operational stability for the emergency site and accelerates safe go-lives.

Activity

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Quality Metrics

Correctness98.0%
Maintainability98.0%
Architecture98.0%
Performance96.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PropertiesYAML

Technical Skills

AnsibleAzure PipelinesCI/CDDevOpsGitHub ActionsPipeline ConfigurationSonarQube

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

City-of-Helsinki/drupal-emergency-site

Dec 2024 Jun 2025
3 Months active

Languages Used

YAML

Technical Skills

AnsibleAzure PipelinesCI/CDDevOpsPipeline Configuration

City-of-Helsinki/servicemap-ui

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDDevOpsGitHub Actions

City-of-Helsinki/notification-service-api

Aug 2025 Aug 2025
1 Month active

Languages Used

PropertiesYAML

Technical Skills

CI/CDDevOpsGitHub ActionsSonarQube

City-of-Helsinki/kukkuu

Mar 2025 Mar 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDDevOps

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