
Nais
Improving the volume of voucher purchases in the marketplace by solving UX problems
+78% NPS growth · 6× GMV growth · doubled user base
- UX/UI design
- UX research
Marek Nowakowski · Senior Product Designer · Design Systems · UX/UI
Delivered solutions to SaaS startups and big players like Intel, McDonald’s and Capgemini.
Real products, measurable outcomes — three stories of UX turning into revenue, retention and ratings.

Nais
+78% NPS growth · 6× GMV growth · doubled user base

Intendent Pro
NPS 71 after the first quarter · break-even in year one · top-recommended in its niche

Dryg (pracuj.pl)
App rating 3.6 → 4.5 in 3 months · unified cross-platform design system · clearer UI
Global top 5 tech company · Case study coming soon
Shipped work across fintech, e-commerce, loyalty programs and internal tools.







12+ years of experience designing advanced enterprise systems, FinTech and SaaS applications — from startups to global brands
Specialist in tokenized, headless design systems and DesignOps
AI-assisted, coded prototyping with direct contribution to production codebases
Can build and lead products / modules creation from idea to “go live” stage
Spreading UX/UI/Product design knowledge as a mentor and UX trainer
Worked closely with clients, stakeholders and product teams
12.2023 — current
All-round designer at one of Central & Eastern Europe's leading financial & accounting software vendors (B2B contract, remote) — shipping across desktop, hybrid desktop+web and web-only products.
02.2022 — current
End-to-end product design, UX strategy and DesignOps for international clients — freelance, fully remote:
12.2021 — 08.2022
Deep-tech platforms built with some of the world's biggest tech companies:
01.2021 — 12.2021
A SaaS for institutional kitchens to plan menus and run meal services — the first product I built end-to-end from zero.
03.2019 — 12.2021
My most formative chapter — I helped take a young benefits marketplace from an unknown startup to a real market competitor.
06.2018 — 02.2019
A high-volume product used by more than 100,000 people across the CEE market.
12+ years of UX/UI experience across enterprise systems, FinTech and SaaS — from startups to global brands
Specialist in tokenized, headless design systems and DesignOps
Deep UI and interaction design knowledge empowered by HTML, CSS and JS skills
AI-assisted, coded prototyping — hands-on contribution to production codebases
Ability to explain UX/UI design decisions based on data or domain knowledge
Short takes on design, shipping and AI — written on LinkedIn.
Marek is a great professionalist in his field, providing exceptional value to the team. He has no problem with expanding horizons, discovering new lands and presenting his ideas, especially to the technical members.
Marek always explores the client's needs before starting work. He tries to combine the current functions with the proposed solutions. It draws attention to details and offers thoughtful solutions.
Tell me about your product, your users and the problem that keeps you up at night. I usually reply within 48 hours.
marek@makeux.pl