Privacy Policy
Last updated: 7 July 2026
This policy explains how Skills 3.0 processes the personal data of people using the skills30.dev platform, including mini-course buyers.
Data controller
The data controller is IT-OPES Usługi Informatyczne, NIP PL5291686297. For matters concerning personal data, contact us at .
What data we collect
When you create an account we collect your email address and your first and last name. When you buy a mini-course we collect the data needed to issue an invoice, including the tax id and address for business buyers. When you sign in through an external provider we receive basic profile data. We use your email address to send sign-in links and service messages about your account and purchase.
Purpose and legal basis
We process account and purchase data to perform the contract for mini-course access (Art. 6(1)(b) GDPR). We process billing data to meet tax obligations (Art. 6(1)(c) GDPR). We collect traffic statistics based on your consent (Art. 6(1)(a) GDPR).
Cookies and analytics
We use cookies that are necessary to run the platform, including a sign-in session cookie, a temporary cookie for external sign-in, a cookie that stores your cookie choice, and a cookie that stores your language. These necessary cookies do not require consent. The platform also uses Google Analytics 4 to measure traffic and visit statistics. We collect statistics only after you consent to cookies. Until you consent, analytics runs without cookies. You can withdraw consent at any time via the Manage cookies link in the footer.
Processors
Payments are handled by Stripe. Sign-in links and service emails are delivered through Resend. Traffic measurement is provided by Google Analytics 4 (Google Ireland Limited). External sign-in is handled by Google and GitHub. Invoices are issued through the National e-Invoicing System (KSeF). We share data with these parties solely for the described purposes. Some of these providers, including Stripe, Resend, GitHub, and Google, may process data outside the European Economic Area on the basis of the European Commission standard contractual clauses.
Retention period
We keep account data for as long as you use the platform. We keep billing data for the period required by tax law. We keep your analytics consent until you withdraw it.
Your rights
You have the right to access, rectify, erase, restrict, and port your data, and to withdraw consent. You also have the right to lodge a complaint with the supervisory authority, the President of the Personal Data Protection Office (PUODO). To exercise these rights, write to .