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Mathias Strøm

PROFILE

Mathias Strøm

Over six months, contributed to TIHLDE/Kvark and TIHLDE/Lepton by delivering 13 features and resolving 5 bugs, focusing on frontend modernization, backend reliability, and user experience. Built new UI components such as an accordion-based form submissions view and a WYSIWYG event content editor, leveraging React, TypeScript, and Tailwind CSS. Enhanced backend workflows in Django, including payment reconciliation, API key management, and robust data validation. Improved security with XSS protections and suspicious payment filters, while streamlining admin processes and content workflows. Collaborated across repositories, applying Python, REST API development, and automated testing to ensure maintainable, scalable, and user-focused solutions.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

33Total
Bugs
5
Commits
33
Features
13
Lines of code
423,102
Activity Months6

Work History

May 2026

10 Commits • 4 Features

May 1, 2026

2026-05 Monthly Summary: Delivered key reliability, security, and UX improvements across TIHLDE/Lepton and TIHLDE/Kvark with measurable business value. Focused on stabilizing payments, modernizing content workflows, and tightening security along with enabling scalable file-and-notification integrations. Key achievements: - Vipps Payment Status Reconciliation and Callback Handling (Lepton): fixed misclassification of unpaid registrations, ensured active registrations on confirmed payments, added robust error handling for Vipps callbacks to maintain stability during outages. Commit: fa5ca36520251fe3f321b72dfe281a8e2f40bddf. - API Key Management with secure file uploads and email notifications (Lepton): introduced API key models, views, serializers and endpoints for secure file uploads and email notifications. Commits: 3e31ef3257712a2a478274495a458412c2917124; 7fd757300c5a051ce144dde4ef5ac03b441d4b4b. - Suspicious registrations filter for paid events (Lepton): added analytics and filters to flag suspicious payments (double-pay within 5 minutes or missing Vipps links) and expose via has_suspicious_payment; improved test coverage. Commit: f1329667a150ad0c985f22ab5a99ecd81f5586e4. - Event Content Editor and Rendering Overhaul (Kvark): replaced markdown editor with a WYSIWYG editor, enhanced embed-card support, improved image rendering and link insertion with responsive dialogs, and added image URL validation to prevent XSS; included participation filtering improvements. Commits: ad706bd76107ab67cd3d0b09f595135b71724cdb; 6d3b0c5c87c5eb496fa2e10aa03565d93263b64b; b5329af9eee1ebadd14bfe4a9082398b274ae2d1; f870963c25161a45c88b5e94fe70e4698b7c230f; 21413468e2ef0aeff313a717b6926a44b9b5e7f4. - Payment Processing Security Enhancement: Suspicious Payment Filter (Kvark): added a dedicated suspicious payment filter to improve validation and security of event participant payments. Commit: 6037c762f954d449eec063d0e9a3d266e0b5af17. Overall impact and accomplishments: - Improved payment integrity and user experience by preventing premature waiting-listing and ensuring active registrations align with real payment status, reducing support overhead. - Modernized content creation with a secure, UX-friendly editor, richer embeds, and robust image/link handling, enabling faster, safer publishing and governance. - Strengthened security posture through URL validation, XSS protections, and fraud/risk controls for payments. These changes position the platform for scalable growth and lower operational risk. Technologies and skills demonstrated: - Backend: Django/DRF, payment task orchestration, Sentry for error capture, Vipps integration patterns, periodic sweep logic. - Frontend: TipTap-based WYSIWYG editor, responsive dialogs, embed-card search UX. - Security: URL parsing/validation, XSS hardening, secure API file uploads. - Collaboration: Cross-repo PRs and merge workflow, code review and co-authorship practices.

April 2026

8 Commits • 3 Features

Apr 1, 2026

April 2026: Delivered cross-repo improvements in TIHLDE/Lepton and TIHLDE/Kvark focused on data integrity, user visibility, automation, and admin UX. Key features and bugs addressed include payment text display fixes, robust data validation, and improved form/submission and registration workflows, plus event management UX refinements and promo governance prompts. Result: cleaner data, faster admin actions, and better business outcomes for payments, forms, registrations, and event management.

March 2026

12 Commits • 4 Features

Mar 1, 2026

March 2026 delivered cross-repo SPORTSTEAM group capabilities and stabilization across Lepton and Kvark. Implementations included a new SPORTSTEAM group type with API key management, email notifications, and file uploads in Lepton, plus a migration to support predefined group types and merged dev-to-master for production readiness. Strengthened data integrity with group subtype validation and DB-level constraints, plus Norwegian localization and tests. In Kvark, introduced SPORTSTEAM group type in the UI, added a comprehensive QR code feature (generation, display, download, delete) and updated event registration/navigation for consistency. Parallel code quality efforts fixed formatting gaps and refined navigation paths to improve developer experience and reduce hotfix cycles.

December 2025

1 Commits • 1 Features

Dec 1, 2025

Month 2025-12 — TIHLDE/Kvark: Delivered essential frontend modernization by upgrading React and Vite to latest versions, improving performance and compatibility with current tooling. No major bugs fixed this month; efforts centered on reducing technical debt and enabling smoother feature development. The upgrade lays groundwork for faster builds, better developer experience, and easier future upgrades.

January 2025

1 Commits

Jan 1, 2025

January 2025 monthly summary for TIHLDE/Kvark focusing on a stability/quality improvement in Markdown rendering through a CodeBlock rendering correctness fix. This work enhances UI consistency for markdown code blocks and lays groundwork for future markdown features.

November 2024

1 Commits • 1 Features

Nov 1, 2024

Month: 2024-11 — TIHLDE/Kvark: Delivered a vertical accordion-based Form Submissions UI, refactoring the previous table view to improve readability, data organization, and expandability. The change enhances the user experience for reviewing form responses, reduces cognitive load, and lays groundwork for future form-related enhancements. Key commit: 5d66cf91b32cd3a4fd5fbcc38edccffd0aa5cd17 ('Form Submissions - New Vertical Layout (#1161)').

Activity

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Quality Metrics

Correctness91.0%
Maintainability83.6%
Architecture84.8%
Performance82.4%
AI Usage47.4%

Skills & Technologies

Programming Languages

CSSJSONJavaScriptPythonTypeScriptYAML

Technical Skills

API DevelopmentAPI developmentAPI integrationBackend DevelopmentCI/CDCeleryComponent DevelopmentDatabase ManagementDatabase MigrationsDjangoDockerFront End DevelopmentFrontend DevelopmentMarkdownNode.js

Repositories Contributed To

2 repos

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

TIHLDE/Kvark

Nov 2024 May 2026
6 Months active

Languages Used

CSSJavaScriptTypeScriptJSON

Technical Skills

Component DevelopmentFrontend DevelopmentReactTailwind CSSTypeScriptUI/UX Design

TIHLDE/Lepton

Mar 2026 May 2026
3 Months active

Languages Used

PythonYAML

Technical Skills

API DevelopmentAPI developmentBackend DevelopmentCI/CDDatabase ManagementDatabase Migrations