---
title: "Senior Frontend Entwickler @ Questback · Markus Dethlefsen"
url: https://vutuv.de/markus_dethlefs/work_experiences/senior.frontend.entwickler.questback
type: work_experience
schema_version: 3
generated_at: 2026-07-22T00:53:38Z
noindex: true
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---

# Senior Frontend Entwickler @ Questback · Markus Dethlefsen

- Senior Frontend Entwickler @ Questback (2002-04 – 2014-01)