Privacy and personal data
Last updated: October 12, 2026
This is a courtesy translation. The Polish version is binding: Prywatność.
Here’s, in plain terms, what happens to your data when you use this site, book a call or write to me.
Who is responsible for your data
The data controller is Jakub Głuszek, doing business as Jakub Głuszek Another Dev Studio, ul. Mieczysława Stanclika 13, 43-300 Bielsko-Biała, Poland, tax ID (NIP) 9372772531, REGON 542282711. For anything to do with your data, email jacob@anotherdevstudio.com.
What data I collect
- From the booking form: your name, email address, company name (if you give one), the topic of the call and the time you picked.
- From messages: whatever you send me by email, along with the sender’s address.
- For a paid consultation: the details needed to take payment and issue an invoice or receipt (for businesses, the tax ID too). I never see card details or bank logins; the payment provider handles those.
- From site analytics: anonymized visit data (which pages, what type of device, where the visit came from).
Analytics without cookies
I use PostHog, hosted in the European Union, but only if you say yes: on your first visit a small banner asks. PostHog loads only after you click “Accept,” and it runs without cookies, keeping its data in memory for as long as the tab is open (no cookies, no local storage). Sessions aren’t recorded, and visits aren’t tied to you as a person. “Decline,” closing the banner, and a Global Privacy Control signal from your browser all count as a no. Your choice is saved only in your browser (ads-consent), and you can change it anytime with “Cookie settings” in the footer. The site uses no ads and no tracking pixels.
Why, and on what legal basis
- Scheduling and holding a call or consultation – steps taken before entering into a contract, or performing it (Art. 6(1)(b) GDPR).
- Invoices, receipts and bookkeeping – a legal obligation (Art. 6(1)(c) GDPR).
- Replying to messages, site analytics, defending against claims – my legitimate interest (Art. 6(1)(f) GDPR).
Providing your data is voluntary, but I can’t book a call without your name, email and a topic.
Who I share data with
I don’t sell data or pass it on for marketing. I use a few companies that process data on my behalf:
- website and server hosting in the European Union,
- PostHog (analytics, EU cloud),
- Stripe (payments for consultations: BLIK, Przelewy24, card),
- Google (Calendar and Meet – scheduling and online meetings),
- inFakt (invoices and receipts; business invoices also go to KSeF, Poland’s national e-invoicing system),
- my email provider.
Some of these companies may transfer data outside the European Economic Area (e.g. Google, Stripe). This happens under standard contractual clauses or a European Commission adequacy decision.
How long I keep data
- Booking and correspondence data: up to 2 years from our last contact, unless we start working together.
- Invoice and payment data: 5 years from the end of the year in which the related tax payment was due – that’s what the law requires.
- Analytics: in aggregate form only, with nothing that could identify you.
Delete your data
Want me to delete your data? Email jacob@anotherdevstudio.com from the address the request is about, or tell me which data you mean. I reply the same business day (Polish time, CET) and tell you what I deleted. The only data that stays is invoice and payment data I’m required to keep for the period described above.
Your rights
You have the right to access your data, to have it corrected or deleted, to restrict processing, to data portability, and to object to processing based on my legitimate interest. Just send an email to the address above; I respond within a month.
If you believe I’m processing your data unlawfully, you can file a complaint with the President of the Personal Data Protection Office (UODO), ul. Stawki 2, 00-193 Warsaw, Poland, uodo.gov.pl.
Contact
Jakub Głuszek, jacob@anotherdevstudio.com, phone +48 512 872 425.