Tobias Guggenmos
Junior IT-Security Consultant at DFN-CERT Services GmbH
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolTobias Guggenmos is a Junior IT-Security Consultant in Hamburg with a decade of hands-on experience spanning systems administration, research, and software engineering. With a mathematics background and a computer science master's in progress, he combines formal, theoretical rigor (set theory, compilers) with practical expertise in Linux/Unix, containerization, monitoring, and IT security. He contributed substantive backend work to the widely used Prometheus project—improving the PromQL parser and AST—bringing production-grade parser and tooling experience from an OpenShift/Red Hat internship. A longtime university tutor and committee member, he’s comfortable translating complex concepts for students and stakeholders and has steered legacy-to-container migrations in academic environments. Active in open source and environmental/higher-education policy groups, he pairs technical craftsmanship with civic engagement. He’s notable for applying mathematical thinking to systems problems, e.g., using formal approaches to parser and monitoring design.
10 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Ulm University
Stackoverflow
61reputation
16kreached
4answers
0questions
Github Skills (19)
parser10
go10
parsing10
parse10
promql10
abstract-syntax-tree9
time-series8
monitoring8
metric8
back-end-development8
ssh6
visual-studio6
dockerfile6
windows6
docker6
Programming languages (12)
Github contributions (5)
prometheus/prometheus
Oct 2019 - Jul 2020
The Prometheus monitoring system and time series database.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:67 commits, 53 PRs, 300 comments in 8 months
Contributions summary:Tobias primarily contributed to the PromQL parser, implementing and refactoring various features. Their work involved eliminating dead code, fixing API issues related to target metadata, and improving parser performance by removing concurrency. They also refactored the parser structure and implemented the yyLexer interface, moving towards a generated parser. Furthermore, the user modified the AST and refactored error message generation.
time-series-databaseprometheus-exporterseries-databasealertingdatabase
prometheus-community/vscode-promql
Sep 2019 - Jul 2022
This is supposed to become a PromQL extension for vs code.
Contributions:11 releases, 199 commits, 118 PRs in 2 years 10 months
promqlvscodevscode-extensionvs-code
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