Privacy.

1. Controller

The controller responsible for personal data processing on this website is:

2. Processing Principles

I process personal data only where this is necessary to operate this website, respond to requests, take pre-contractual or contractual steps, comply with legal obligations, or where you have given consent.

The relevant legal bases include Art. 6(1)(a) GDPR for consent, Art. 6(1)(b) GDPR for pre-contractual and contractual communication, Art. 6(1)(c) GDPR for legal obligations, and Art. 6(1)(f) GDPR for legitimate interests in secure and reliable website operation.

3. Hosting and Server Logs

This website is provided through Vercel Inc., 340 S Lemon Ave #4133, Walnut, CA 91789, USA. When the website is accessed, Vercel processes technically necessary connection data, including IP address, date and time of access, requested URL, referrer URL, browser and device information, and transferred data volume.

This processing is necessary to deliver the website, maintain stability and security, analyze errors and prevent misuse. The legal basis is Art. 6(1)(f) GDPR. Where Vercel acts as a processor, this is based on a data processing agreement. According to Vercel, transfers to the United States are supported, among other safeguards, by the EU-US Data Privacy Framework and additional data protection mechanisms.

Server and error logs are processed only for as long as necessary for these purposes or where statutory retention duties apply.

4. Cookies, Local Storage and Consent

The consent banner stores your decision locally in your browser under the key cookie-consent. This storage is necessary to respect your privacy choice and avoid showing the banner on every page view. The legal basis is Art. 6(1)(f) GDPR; access to the terminal equipment is necessary under Section 25(2) TDDDG.

Optional analytics cookies and comparable technologies are used only after you actively consent. You can change your decision at any time through the cookie settings in the footer. Processing that took place before withdrawal remains lawful.

5. Google Analytics

After your consent, this website uses Google Analytics 4, a web analytics service provided by Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland. Google Analytics helps understand which pages are visited, how visitors interact with the website and whether technical problems occur.

In this context, online identifiers, cookie IDs, IP address, device and browser data, approximate location data, usage data and event data may be processed. This website loads Google Analytics only after consent and configures IP anonymization. Google may also transfer data to Google LLC in the United States. Google LLC is certified under the EU-US Data Privacy Framework; standard contractual clauses may also be used.

The legal basis is your consent under Art. 6(1)(a) GDPR and Section 25(1) TDDDG. You can withdraw consent at any time with future effect through the cookie settings in the footer. You can also delete existing cookies in your browser.

6. Contact

If you contact me by email, phone or through a mailto link, I process the information you provide, including name, contact details, message content and technical communication metadata. The processing is used to handle your request.

The legal basis is Art. 6(1)(b) GDPR where the communication concerns pre-contractual or contractual matters, and otherwise Art. 6(1)(f) GDPR. Business correspondence may be retained for up to six or ten years due to statutory retention obligations.

7. External Links and Profiles

This website links to external services, including LinkedIn, GitHub and third-party projects. Merely visiting this website does not transmit data to those linked providers through these links. Once you click an external link, the privacy information of the respective provider applies.

8. No Automated Decision-Making

There is no automated decision-making within the meaning of Art. 22 GDPR and no profiling that produces legal effects concerning you or similarly significantly affects you.

9. Your Rights

Subject to the statutory requirements, you have the right to access, rectification, erasure, restriction of processing, data portability and objection to processing based on legitimate interests. You may withdraw consent at any time with future effect.

You also have the right to lodge a complaint with a data protection supervisory authority. The authority generally responsible for me is: Berliner Beauftragte für Datenschutz und Informationsfreiheit, Alt-Moabit 59-61, 10555 Berlin, www.datenschutz-berlin.de.

10. Version and Updates

This privacy notice applies from 20 April 2026. If services, purposes, legal bases or technical processes change, this notice will be updated.