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Joel Luukka

PROFILE

Joel Luukka

Worked on the Opetushallitus/ataru repository to enhance backend API capabilities and improve data handling for TUTU application endpoints. Delivered a POST-based listing endpoint that supports large OID sets and enriches application data with ONR person details, addressing edge cases and improving route robustness. Focused on maintainability by refactoring code, removing obsolete tests, and expanding integration and unit test coverage using Clojure and SQL. Introduced form_id availability in TUTU application data, updating queries and data structures to enable per-application form identification. These efforts improved data traceability, analytics readiness, and reliability while supporting faster, safer delivery of new features.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

9Total
Bugs
0
Commits
9
Features
3
Lines of code
550
Activity Months2

Work History

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for Opetushallitus/ataru: Delivered form_id availability in TUTU application data to enable per-application form identification, updated data queries and blank-application data structures, and performed unit-test rework to align with the new schema. These changes improve data traceability, analytics readiness, and debugging efficiency.

May 2025

7 Commits • 2 Features

May 1, 2025

Month: 2025-05. Focused on delivering scalable, reliable API capabilities for Opetushallitus/ataru and strengthening test coverage and maintainability to enable faster delivery and downstream data access. Key features delivered include a POST-based TUTU Applications listing endpoint with ONR data enrichment and improved resilience for edge cases, as well as comprehensive quality and testing improvements to reduce risk and promote maintainability.

Activity

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Quality Metrics

Correctness86.8%
Maintainability89.0%
Architecture84.4%
Performance89.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

ClojureSQL

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentClojureClojure DevelopmentCode RefactoringData Structure DefinitionDatabaseDatabase InteractionDatabase ManagementIntegration TestingRefactoringService Layer DevelopmentTest Driven DevelopmentTesting

Repositories Contributed To

1 repo

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

Opetushallitus/ataru

May 2025 Jun 2025
2 Months active

Languages Used

ClojureSQL

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentClojureClojure DevelopmentCode Refactoring