Ole Zierau
Principal Engineer at Axel Springer National Media & Tech GmbH & Co. KG
Berlin, Germany
Summary
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Top SchoolOle Zierau is a Principal Engineer based in Berlin with 14 years of experience designing and delivering scalable cloud-native systems and user-focused web and mobile applications. He blends hands-on full-stack development (TypeScript/JavaScript, Python, React, Node) with system and cloud architecture expertise across Kubernetes, GCP, Docker, and observability stacks. As a freelancer and tech lead he has guided international clients, agencies and startups, frequently bridging product management and engineering to ship resilient platforms. His background includes founding roles and CTO experience, plus data science work integrating TensorFlow, Pandas and analytics into production pipelines. Known for pragmatic tooling choices and a focus on future-proof architectures, he often leads teams through CI/CD, observability and API-driven design. Fluent in both strategic architecture and implementation, he excels at turning complex requirements into maintainable, scalable systems.
14 years of coding experience
8 years of employment as a software developer
Universität Rostock
Stackoverflow
1reputation
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Github Skills (42)
appstoreconnect10
itunes10
storekit10
mac-app-store10
in-app-purchase10
ipados10
appstore10
receipt-validation10
pythonista10
iphone10
ios9
swift8
macos8
3d-models8
twitter8
Programming languages (6)
Github contributions (5)
omz/AppSales-Mobile
Jul 2011 - Jan 2017
App Sales allows iPhone and Mac App Store developers to download and analyze their daily and weekly sales reports from iTunes Connect.
Contributions:14 commits, 3 PRs, 3 pushes in 5 years 6 months
app-storeapplemusicappstorestorekitios
omz/PythonistaAppTemplate
Feb 2016 - Oct 2017
Xcode template for building standalone apps from Pythonista (iOS) scripts
Contributions:4 commits, 3 PRs, 8 pushes in 1 year 7 months
pythonpythonista-iosstandalonepythonistaswift
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