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Marco Ketelaars

PROFILE

Marco Ketelaars

Worked across the happy-geeks/geeks-core-library and happy-geeks/wiser repositories to deliver new features, targeted bug fixes, and robust release management over eight months. Focused on backend and API development using C#, JavaScript, and XML, the work included versioning improvements, enhanced logging for observability, and configurable XML deserialization. Addressed reliability by fixing HTTP timeout handling and resolving data correctness issues in frontend components. Release processes were strengthened through coordinated version bumps and metadata alignment, supporting downstream integration and deployment traceability. The approach emphasized maintainability, security, and performance, resulting in more stable APIs and improved user experience across both backend and frontend systems.

Overall Statistics

Feature vs Bugs

62%Features

Repository Contributions

18Total
Bugs
5
Commits
18
Features
8
Lines of code
162
Activity Months8

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for repository happy-geeks/wiser focused on release engineering and versioning. Delivered a coordinated Product Version Bump and Release Signaling to 3.7.2603.1 across API and FrontEnd, enabling clearer release communication and smoother deployments.

January 2026

1 Commits

Jan 1, 2026

January 2026: Focused on reliability and performance in the critical tree-structure UX path for the wiser product. Delivered a targeted performance fix in specific environments, enabling faster tree loading and improved user experience under load conditions.

October 2025

1 Commits

Oct 1, 2025

October 2025 monthly summary for happy-geeks/wiser: Core API reliability improvement through a bug fix in the Products API enable/disable control, with versioning and release notes updates to strengthen deployment readiness. The work enhances access control accuracy, reduces gating risks, and supports stable feature toggling across environments.

September 2025

1 Commits

Sep 1, 2025

September 2025 focused on corrective bug fixes in the wisER/Wiser repository. No new features delivered this month; key bug fix resolved a critical data correctness issue in EntityTab.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary focusing on a targeted release effort for the core library. The primary feature delivered was a formal GeeksCoreLibrary version bump to 5.3.2504.2 across Version, AssemblyVersion, and FileVersion metadata, enabling downstream consumers to track and validate releases consistently. No major defects were reported in this period; prioritization centered on release readiness and version accuracy for downstream integration.

March 2025

7 Commits • 3 Features

Mar 1, 2025

March 2025 performance summary: Delivered structured release management and targeted feature work across two repositories, focusing on release-ready version bumps, configurable XML processing, and readability improvements. The work reduced release risk, improved packaging/metadata alignment, and enhanced XML handling configurability, supporting faster time-to-market and maintainability.

November 2024

5 Commits • 2 Features

Nov 1, 2024

2024-11 monthly summary for the Geeks Core Library initiative: delivered observability enhancements for NeDistri, fixed per-request HTTP timeout handling, and refreshed core dependencies. The work improves troubleshooting visibility, reliability of shipping label workflows, and overall platform stability, enabling faster incident resolution and safer API interactions.

October 2024

1 Commits • 1 Features

Oct 1, 2024

Concise monthly summary for October 2024 focusing on the GeeksCoreLibrary release and versioning work. This month delivered the 4.2.29 release and updated core library version metadata to support packaging and downstream compatibility.

Activity

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Quality Metrics

Correctness96.6%
Maintainability97.8%
Architecture94.4%
Performance93.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

C#HTMLJavaScriptXML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI developmentAsynchronous ProgrammingBackend DevelopmentBuild ManagementC#Error HandlingFront End DevelopmentHTMLHttpClientJavaScriptLoggingRelease Management

Repositories Contributed To

2 repos

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

happy-geeks/geeks-core-library

Oct 2024 Apr 2025
4 Months active

Languages Used

XMLC#

Technical Skills

Build ManagementVersion ControlAPI DevelopmentAPI IntegrationAsynchronous ProgrammingBackend Development

happy-geeks/wiser

Mar 2025 Mar 2026
5 Months active

Languages Used

XMLJavaScriptC#HTML

Technical Skills

Build ManagementVersion ControlFront End DevelopmentJavaScriptAPI DevelopmentRelease Management