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Jonas Wilms

PROFILE

Jonas Wilms

Jonas Wilms developed and refined features across the corona-school/user-app and corona-school/backend repositories, focusing on robust matching algorithms, privacy controls, and user experience improvements. He implemented gender and special needs constraints in backend matching logic using TypeScript and Prisma ORM, enhancing match relevance and inclusivity. Jonas also introduced analytics integration with Matomo, improved race condition handling, and streamlined admin authorization through role-based access control. On the frontend, he delivered UI decluttering and navigation consistency using React and custom hooks. His work demonstrated depth in backend development, algorithm refinement, and security, resulting in maintainable, user-focused solutions that addressed real operational challenges.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

16Total
Bugs
3
Commits
16
Features
12
Lines of code
915
Activity Months6

Your Network

4 people

Work History

August 2025

1 Commits • 1 Features

Aug 1, 2025

August 2025 (2025-08) - Developer monthly summary for corona-school/user-app. Focused on user experience improvements with a targeted navigation enhancement on the referrals page. The primary delivery this month was the Referrals Page Scroll to Top Hook to restore and manage scroll position during route changes, improving consistency and reducing navigation confusion.

June 2025

4 Commits • 3 Features

Jun 1, 2025

June 2025 monthly summary across corona-school/user-app and corona-school/backend. Key features delivered include a UI declutter improvement in the header for Datenschu​tz and Impressum pages, specifically removing the notification icon without affecting core functionality; enrollment management enhancement enabling subcourse instructors to always add pupils to their courses; and authorization/admin visibility improvements introducing a TEMPORARY_OWNER role for SSO registrations and restoring ADMIN access to view user names via UserFieldsResolver. Major bugs fixed include: removing the notification icon in Datenschutz/Impressum (#830); ownership handling for SSO-registered users corrected (#1238); and restoring admin visibility for user names (#1247). Overall impact: streamlined UI, more flexible course administration, and stronger admin governance and data visibility, contributing to faster onboarding, reduced friction for instructors, and improved security posture. Technologies/skills demonstrated: UI/UX refinement, backend permission modeling and role-based access control, SSO integration adjustments, and maintainable code with clear commit traceability.

February 2025

3 Commits • 2 Features

Feb 1, 2025

February 2025 Monthly Summary focusing on backend work for corona-school/backend.

January 2025

4 Commits • 3 Features

Jan 1, 2025

January 2025 monthly summary focusing on key features delivered, major bugs fixed, overall impact and skills demonstrated. Business value is emphasized with concrete delivery details and developer metrics.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for corona-school/backend: Delivered a gender-based matching constraint enabling pupils to specify a preferred gender for matches; the system will only suggest matches that adhere to this preference, enabling more tailored and relevant results. This aligns with user-centric design and privacy considerations by controlling match parameters on the backend. No major bugs fixed this month. Overall impact: improved match relevance, potential uplift in user engagement and satisfaction, and stronger alignment with user preferences. Technologies/skills demonstrated: backend feature development, incremental delivery, and clear commit messages.

November 2024

3 Commits • 2 Features

Nov 1, 2024

Monthly performance summary for 2024-11 focusing on delivering high-value features, fixing critical reliability issues, and enabling data-driven decisions across two repositories.

Activity

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Quality Metrics

Correctness89.4%
Maintainability90.0%
Architecture85.6%
Performance87.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptSQLTypeScript

Technical Skills

API DevelopmentAlgorithm DevelopmentAlgorithm RefinementAnalytics IntegrationAuthorizationBackend DevelopmentCode RefactoringDatabase ManagementFront End DevelopmentFrontend DevelopmentGraphQLJavaScriptMatching AlgorithmsPrisma ORMPrivacy Implementation

Repositories Contributed To

2 repos

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

corona-school/backend

Nov 2024 Jun 2025
5 Months active

Languages Used

TypeScriptSQL

Technical Skills

Backend DevelopmentDatabase ManagementRace Condition MitigationAlgorithm DevelopmentTypeScriptMatching Algorithms

corona-school/user-app

Nov 2024 Aug 2025
4 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

Analytics IntegrationFrontend DevelopmentReactTypeScriptFront End DevelopmentJavaScript

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