Warsaw
Pre-launch QA for Warsaw clients - optional on-site demo before DNS switch.
Step 6 · Full-cycle development
Functional, cross-browser and performance testing on real devices. Bugs fixed and edge cases covered before your public launch in Poland, Europe or the USA.

I test like a user, not only like a developer - broken links and confusing errors get caught early.
Checkout, login and password reset flows are always high priority; one bug there costs real money.
Performance issues are fixed before launch, not blamed on hosting later.
Polish launches often need PL/EN language switching and payment sandbox runs verified end-to-end.
US launches get extra attention to analytics, cookie banners and third-party script load order.
Same full-cycle quality whether you are around the corner in Warsaw or building for a US market from day one.
Pre-launch QA for Warsaw clients - optional on-site demo before DNS switch.
Testing against Polish payment sandboxes, shipping plugins and local carrier integrations.
Locale, VAT and consent flows validated for EU visitors.
US browser share and mobile breakpoints validated before campaigns go live.

About me
Full-stack developer · 15+ years creating web
Choose your preferred contact method