ThomasĀ Chadzelek

Systemanalyst at SAP SE

Saarland, Germany
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Summary

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Thomas Chadzelek is a systems analyst with 11 years of professional experience based in Saarland, Germany, currently working at SAP SE. He brings practical backend expertise in enterprise web platforms, contributing to the widely used OpenUI5 project with focused improvements to OData V4 handling and robust request/side-effect management. Known for attention to protocol correctness and lifecycle management, he has implemented nuanced behavior like "return=minimal" handling for PATCH requests and context destruction safeguards. His long tenure at SAP suggests deep familiarity with large-scale, enterprise-grade software processes and collaboration. Though his title is systems analyst, his contributions reveal a developer-minded approach to solving backend integration and interoperability challenges.
code11 years of coding experience
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Github Skills (3)

javascript9
testing9
model-view-controller7

Programming languages (2)

VueJavaScript

Github contributions (5)

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SAP/openui5

Oct 2014 - Jan 2023

OpenUI5 lets you build enterprise-ready web applications, responsive to all devices, running on almost any browser of your choice.
Role in this project:
userBack-end Developer
Contributions:5 reviews, 1907 commits, 2 PRs in 8 years 4 months
Contributions summary:Thomas's commits primarily involve changes within the `sap/openui5` repository, specifically focused on improving OData V4 model integration. They contributed to implementing "return=minimal" handling for HTTP PATCH requests, including changes to request headers and various test files to support the modifications. Additional commits deal with the context's behavior and management, for example, ensuring context destruction and the proper operation of request and remove of side effects.
web-applicationsbrowserweb-componentscssjavascript
SAP/odata-vocabularies

Sep 2021 - Mar 2025

SAP Vocabularies for semantic markup of structured data published via OData (www.odata.org) services.
Contributions:58 reviews, 68 comments in 3 years 7 months
structuredsapmarkupvocabulariespublished
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Thomas Chadzelek - Systemanalyst at SAP SE