Payment features shipped inside a bank's compliance process, authentication for a national portal, native apps in the App Store, and web platforms organizations run on every day. Every project here comes with its proof.
Buy Now Pay Later and credit card features built into Żappka, the Żabka retail app used by 8 million people in Poland. Delivered together with PKO Bank Polski, with the bank reviewing the security of every release.
Two-factor authentication for Wirtualna Polska, one of the largest internet portals in Poland. The second factor is a native iOS app built on OneLogin that approves a sign-in with a push notification, securing the accounts behind the portal's services, including its mail apps WP Poczta and Poczta o2.
An iOS app for helicopter pilots and operators that compares measured engine parameters against the limits in the aircraft's flight charts, so a power check is read off the screen instead of interpolated on paper. Swift on a Firebase backend, with results kept per aircraft and per operator.
The company website of an aluminium joinery manufacturer, moved off WordPress onto Astro running on Cloudflare Workers. 23 pages migrated in a single day, with no CMS behind them: content is edited through an AI chat that opens a pull request.
A civil protection and crisis management platform for Polish counties and municipalities, built as four parts of one product: threat and incident tracking, resource and preparedness planning, an analytics dashboard for crisis management staff, and the public landing page. React, Next.js and TypeScript on the client, NestJS behind it.
