Tim Vahlbrock
Senior Software Engineer at DB Systel GmbH
Bochum, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolTim Vahlbrock is a Senior Software Engineer based in Bochum, Germany, with nine years of hands-on experience building and maintaining backend systems. He progressed from developer roles to his current senior position at DB Systel, pairing practical enterprise delivery with a Master’s in Computer Software Engineering. Tim contributes to open-source tooling that reverse-engineers REST APIs—adding support for numeric and UUID keys and improving testability and OpenAPI compliance—demonstrating a focus on robust schema generation and maintainable code. He is comfortable refactoring tests and infrastructure to reduce duplication and raise long-term code quality, a skill that complements his production-facing backend work. Notably, his background blends academic depth with pragmatic engineering, making him adept at translating complex protocols and traffic captures into usable API specifications.
9 years of coding experience
5 years of employment as a software developer
Master of Science - MS, Computer Software Engineering, Master of Science - MS, Computer Software Engineering at Westfälische Hochschule
Stackoverflow
81reputation
25kreached
3answers
10questions
Github Skills (18)
python10
swagger10
mitmproxy10
openapi10
api-design9
restful-api9
testing9
api-rest9
reverse-engineering9
rest-api9
json8
uuid7
html6
android-studio6
android6
Programming languages (14)
Github contributions (5)
alufers/mitmproxy2swagger
Feb 2024 - Mar 2024
Automagically reverse-engineer REST APIs via capturing traffic
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 PRs, 8 comments, 1 issue in 1 month
Contributions summary:Tim significantly contributed to the development of the `mitmproxy2swagger` project, focusing on enhancing its functionality to support different data types and improve testing. They implemented support for numeric and UUID keys in the API schema generation. The user also refactored testing components, including test clients and servers, to reduce code duplication and improve overall maintainability, along with ensuring compliance with OpenAPI specifications.
apicapturingreverse-engineermitmproxyrest
tis-gmbh/vscode-migrate
Jun 2022 - Jul 2023
Contributions:3 reviews, 35 PRs, 208 pushes in 1 year 1 month
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