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Tero Virtanen

PROFILE

Tero Virtanen

Over six months, this developer modernized CI/CD pipelines across multiple City of Helsinki repositories, including drupal-emergency-site, servicemap-ui, notification-service-api, and drupal-helfi-rekry. They consolidated and streamlined release workflows by introducing unified pipelines, main-branch gating, and automated release processes using YAML and GitHub Actions. Their work included decommissioning legacy build pipelines, implementing Ansible-based templates, and integrating SonarQube for code quality in Python projects. By updating pipeline triggers and configurations, they improved deployment reliability, reduced manual release effort, and enhanced environment parity between staging and production, demonstrating strong skills in DevOps, pipeline management, and automation for large-scale municipal projects.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

11Total
Bugs
1
Commits
11
Features
6
Lines of code
325
Activity Months6

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 performance summary for the City-of-Helsinki multi-repo initiative, focusing on the drupal-helfi-rekry project. Delivered a Release Pipeline Overhaul that consolidates staging and production into a single, unified release pipeline, introducing batch triggers for tags and updating CI/CD templates to align with the new release workflow. These changes reduce deployment friction and risk, speed up release cycles, and improve governance and traceability across environments.

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

Correctness96.4%
Maintainability96.4%
Architecture96.4%
Performance94.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

PropertiesYAML

Technical Skills

AnsibleAzure PipelinesCI/CDDevOpsGitHub ActionsPipeline ConfigurationPipeline ManagementSonarQube

Repositories Contributed To

5 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

City-of-Helsinki/drupal-helfi-rekry

May 2026 May 2026
1 Month active

Languages Used

YAML

Technical Skills

CI/CDDevOpsPipeline Management