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Obed Kooijman

PROFILE

Obed Kooijman

Over a two-month period, this developer contributed to dotnet/aspnetcore and Revolutionary-Games/Thrive by delivering targeted feature enhancements focused on performance and content formatting. In dotnet/aspnetcore, they refactored HTTP status reason phrase resolution by replacing a dictionary with a 2D array, reducing memory usage and improving throughput while maintaining API compatibility. For Thrive, they implemented BBCode-based list rendering in the wiki system, enabling accurate formatting for unordered and ordered lists and enhancing readability. Their work demonstrated strong skills in C#, API development, and performance optimization, with an emphasis on maintainable code and thoughtful data structure selection for backend improvements.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
433
Activity Months2

Your Network

263 people

Same Organization

@passinbox.com
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Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

2026-04 Monthly Summary for Revolutionary-Games/Thrive: Delivered Wiki BBCode List Rendering feature to improve wiki formatting and readability. Implemented BBCode-based support for unordered (ul) and ordered lists in the wiki renderer, refactoring list handling to BBCode and adding ordered-list support. This work references bug #5511 and aligns with ongoing formatting improvements.

January 2025

1 Commits • 1 Features

Jan 1, 2025

Month: 2025-01 — Focused on performance optimization for HTTP status reason phrases in dotnet/aspnetcore. Key feature delivered: HTTP Reason Phrases Lookup Optimization — refactored ReasonPhrases to use a 2D array instead of a dictionary to improve data access and reduce memory usage, while preserving full functionality. This change reduces memory footprint for status phrase resolution and can improve throughput under high-traffic scenarios. The change is implemented in commit 4fc1a878c77a3b6568b716b9dcebc36447cedc7d (Perf: ReasonPhrases as Array instead of Dictionary). Major bugs fixed: None documented for this month. Overall impact and accomplishments: Achieved performance and memory optimization in a core HTTP path, maintaining API compatibility, contributing to better scalability and lower per-request memory usage for HTTP status phrase resolution. Technologies/skills demonstrated: C#, performance-oriented refactor, data structure optimization (dictionary to 2D array), memory profiling considerations, code maintainability and commit discipline.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance90.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C#

Technical Skills

API DevelopmentC#Performance OptimizationRefactoringback end development

Repositories Contributed To

2 repos

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

dotnet/aspnetcore

Jan 2025 Jan 2025
1 Month active

Languages Used

C#

Technical Skills

API DevelopmentPerformance OptimizationRefactoring

Revolutionary-Games/Thrive

Apr 2026 Apr 2026
1 Month active

Languages Used

C#

Technical Skills

C#back end development