Opetushallitus/kouta-backend
Sep 2025 – Sep 2025
1 Month active
Languages Used
JavaScalaYAML
Technical Skills
API DevelopmentAPI DocumentationBackend DevelopmentCode CleanupConfiguration ManagementDatabase Interaction
Petteri Tolonen
PROFILE
Petteri Tolonen
Petteri Tolonen enhanced backend systems for Opetushallitus, focusing on both the ataru and kouta-backend repositories. He delivered advanced application search features, enabling flexible queries by SSN, applicant OID, and whitespace-tolerant name matching, which improved data retrieval accuracy for application reviewers. In kouta-backend, Petteri migrated testing infrastructure from MockServer to WireMock, enriched API documentation, and improved validation logic to support athletic vocational training cases. His work involved Scala, SQL, and integration testing, emphasizing maintainability through code cleanup and configuration management. Over two months, Petteri’s contributions deepened backend reliability and data integrity, addressing real-world requirements without introducing regressions.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
11Total
Bugs
0
Commits
11
Features
7
Lines of code
560
Activity Months3
Your Network
21 people
Work History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for Opetushallitus/ataru: Delivered Educational Counselor Performance Service Link with role-based visibility to ensure only authorized educational counselors access performance resources, enabling better support for students. The change is linked to OPHSUPA-225 and implemented via commit 7c861e1190dafba3e166942c049d371d8e69e4d1.
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for Opetushallitus/ataru: Delivered Educational Counselor Performance Service Link with role-based visibility to ensure only authorized educational counselors access performance resources, enabling better support for students. The change is linked to OPHSUPA-225 and implemented via commit 7c861e1190dafba3e166942c049d371d8e69e4d1.
February 2026
September 2025
9 Commits • 5 Features
Sep 1, 2025September 2025 (Month: 2025-09) - Opetushallitus/kouta-backend focused on strengthening testing, API clarity, data accuracy, validation coverage, and maintenance. Delivered targeted features and fixes across the backend to improve reliability, data integrity, and release readiness.
September 2025
9 Commits • 5 Features
Sep 1, 2025September 2025 (Month: 2025-09) - Opetushallitus/kouta-backend focused on strengthening testing, API clarity, data accuracy, validation coverage, and maintenance. Delivered targeted features and fixes across the backend to improve reliability, data integrity, and release readiness.
November 2024
1 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Focused on enhancing application search capabilities for Opetushallitus/ataru, delivering more flexible querying by SSN, applicant OID, and whitespace-safe name search. These changes improve data query accuracy and speed for application review, reduce manual filtering, and improve user satisfaction. No major bugs fixed this month; work centered on feature delivery with a single commit implementing API search enhancements.
1 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Focused on enhancing application search capabilities for Opetushallitus/ataru, delivering more flexible querying by SSN, applicant OID, and whitespace-safe name search. These changes improve data query accuracy and speed for application review, reduce manual filtering, and improve user satisfaction. No major bugs fixed this month; work centered on feature delivery with a single commit implementing API search enhancements.
November 2024
Activity
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Quality Metrics
Correctness91.8%
Maintainability91.0%
Architecture91.0%
Performance89.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
ClojureClojureScriptJavaSQLScalaYAML
Technical Skills
API DevelopmentAPI DocumentationBackend DevelopmentClojureScriptCode CleanupConfiguration ManagementDatabase InteractionDatabase Query OptimizationIntegration TestingMockingMocking FrameworksScalaService IntegrationValidation Logicfront end development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
Opetushallitus/ataru
Nov 2024 – Feb 2026
2 Months active
Languages Used
ClojureSQLClojureScript
Technical Skills
API DevelopmentBackend DevelopmentDatabase Query OptimizationClojureScriptfront end development