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Santeri Korri

PROFILE

Santeri Korri

Santeri Korri contributed to Opetushallitus/ataru and viestinvalityspalvelu by building robust backend features focused on data consistency, access control, and system reliability. He implemented fine-grained authorization for educational counselors, introduced Redis caching to optimize school data retrieval, and enhanced API validation and documentation to improve developer experience. Using Clojure, Node.js, and CI/CD practices, Santeri delivered solutions such as background job retry strategies and schema updates for attachment tracking. His work addressed challenges in synchronization, error handling, and deployment safety, demonstrating a thoughtful approach to maintainability and performance across complex distributed systems in both educational and messaging domains.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

22Total
Bugs
2
Commits
22
Features
10
Lines of code
1,637
Activity Months5

Work History

January 2026

9 Commits • 4 Features

Jan 1, 2026

January 2026 monthly summary for Opetushallitus/ataru focusing on key accomplishments, business value, and technical execution.

January 2025

7 Commits • 4 Features

Jan 1, 2025

January 2025 monthly summary: Delivered targeted features and stability improvements across two repos with measurable business value. In viestinvalityspalvelu, we enhanced API validation and documentation to reduce errors and improve developer experience, expanded recipient name length for better internationalization, hardened email handling to prevent system failures, and centralized API constants with deployment safeguards to enable safer, more predictable releases. In Ataru, we added a new status "started" for attachment preview generation to improve end-to-end tracking of attachments. These changes collectively improve reliability, scalability, and maintainability while strengthening release discipline and developer productivity.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary focusing on key accomplishments for Opetushallitus/ataru. Delivered a Background Retry Strategy Enhancement for the attachment finalizer, merging default retry configuration into the finalizer job to enable automatic retries and improve robustness of background attachment processing. No major bugs reported or fixed this month. The work strengthens reliability of attachment handling and lays groundwork for future resilience improvements in the core processing pipeline.

October 2024

2 Commits • 1 Features

Oct 1, 2024

October 2024 — Opetushallitus/ataru: Delivered key feature for application data consistency validation and cross-section synchronization, with unit tests. Ensured synchronization between application fields (hakukohteet) and corresponding answers, and standardized the order of target selections across sections by deriving values from the answers section. This work reduces data integrity risks and supports reliable submissions.

August 2024

3 Commits

Aug 1, 2024

2024-08: Focused on reliability and stability enhancements for Opetushallitus/ataru, delivering three bug fixes that improve startup reliability, cross-service synchronization, and CI/test stability. These changes reduce deployment risk, prevent desynchronization between core components, and accelerate the feedback loop, enabling safer releases and higher developer velocity.

Activity

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Quality Metrics

Correctness85.4%
Maintainability84.6%
Architecture82.8%
Performance83.6%
AI Usage22.8%

Skills & Technologies

Programming Languages

ClojureClojureScriptJavaJavaScriptMarkdownScalaYAML

Technical Skills

API DesignAPI DevelopmentAPI developmentAPI integrationBackend DevelopmentCI/CDClojureClojureScriptConfiguration ManagementData ModelingDevOpsDocumentationEmail IntegrationFrontend DevelopmentGitHub Actions

Repositories Contributed To

2 repos

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

Opetushallitus/ataru

Aug 2024 Jan 2026
5 Months active

Languages Used

ClojureJavaScriptClojureScript

Technical Skills

ClojureConfiguration ManagementDevOpsNode.jsbackend developmenttesting

Opetushallitus/viestinvalityspalvelu

Jan 2025 Jan 2025
1 Month active

Languages Used

JavaMarkdownScalaYAML

Technical Skills

API DesignAPI DevelopmentBackend DevelopmentCI/CDDocumentationEmail Integration

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