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Joonatan Korpela

PROFILE

Joonatan Korpela

Joonatan Korpela contributed to the Tietokilta/web repository by building features that improved event discovery, user experience, and system maintainability. He developed a centralized All Events List using React and TypeScript, integrating it with the CMS to provide comprehensive event visibility. Joonatan also enhanced branding consistency through targeted CSS adjustments and decommissioned legacy code to reduce technical debt. He stabilized data import workflows and ensured reproducible builds by refining Dockerfile and build automation processes. Additionally, he implemented a client-side signup flow with robust API integration, improving form handling and reliability. His work demonstrated depth in frontend development and backend stability.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

11Total
Bugs
5
Commits
11
Features
5
Lines of code
1,824
Activity Months4

Work History

March 2025

6 Commits • 3 Features

Mar 1, 2025

March 2025 monthly summary for Tietokilta/web highlights: delivered a client-side Ilmomasiina signup flow with in-browser form handling and API actions to enhance UX and reduce server round-trips; fixed signing up deletion issues and simplified success messaging for clearer user feedback; improved data freshness by reducing Ilmomasiina API client cache revalidation from 2 minutes to 30 seconds; hardened API integration with a configurable and default base URL (NEXT_PUBLIC_ILMOMASIINA_URL) to ensure Docker builds function even when the env var is missing; added robust null checks on the Committees page to prevent crashes and included debugging logs for faster triage; overall, the work increased user satisfaction, system reliability, and maintainability with minimal risk changes.

February 2025

2 Commits

Feb 1, 2025

February 2025 monthly summary for Tietokilta/web. This period focused on stabilizing data import workflows and ensuring reliable builds across environments, delivering measurable business value in data integrity and deployment reliability.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 (Tietokilta/web): Delivered Legacy System Seven (SySe) decommissioning. Removed all references, code, CSS, components, and assets related to SySe to declutter the codebase and reduce maintenance risk. Focused on cleanup rather than new features, with a single cleanup commit ec55796bfb81654fe20fe8a59434232b248b7616 (chore: Remove SySe stuff). No major bugs fixed this month; the work centered on maintainability and alignment with the roadmap. Business value includes reduced technical debt, faster onboarding, and easier future changes.

November 2024

2 Commits • 1 Features

Nov 1, 2024

Monthly summary for 2024-11: Delivered a centralized All Events List experience across the CMS and web app for Tietokilta/web. Implemented the CMS page type all-events-list and a dedicated page component to fetch and display past and present events, enabling a comprehensive view of all events for admins and users. Fixed UI inconsistencies by removing image filters from company logos and adding a new image filter for images in the footer partner lists to maintain a consistent visual theme. These changes enhance event discovery, improve branding consistency, and reduce manual visual QA. The work demonstrates strong CMS integration, React component development, and a disciplined, commit-driven workflow.

Activity

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Quality Metrics

Correctness87.2%
Maintainability87.2%
Architecture78.2%
Performance87.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSDockerfileJavaScriptTypeScript

Technical Skills

API IntegrationBackend DevelopmentBuild AutomationCMS IntegrationCSSClient-side RoutingDevOpsEnvironment VariablesForm HandlingFront End DevelopmentFrontend DevelopmentNext.jsReactTailwind CSSTypeScript

Repositories Contributed To

1 repo

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

Tietokilta/web

Nov 2024 Mar 2025
4 Months active

Languages Used

CSSJavaScriptTypeScriptDockerfile

Technical Skills

CMS IntegrationCSSFront End DevelopmentFrontend DevelopmentNext.jsReact

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