Izabela Leśniak

Senior Product Designer

Kraków-based senior product designer with 10+ years of experience. I combine creative and business strategies to design impactful products and user experiences. I'm actively engaged in improving and creating AI-powered AP automation applications, leading to streamlined financial processes.

Experience

Senior Product Designer · Medius

Jul 2024 – Present
  • Leading design for the Payment Agent project, an AI-powered solution for payment workflows.
  • Driving e-invoicing features.
  • Designing AP automation applications that streamline financial processes.
  • Contributed to the Design System: components, patterns, and documentation.
  • Delivered end-to-end design projects, aligning with brand standards.
  • Collaborated closely with Product and Engineering teams to refine designs, improve development efficiency, and align design with business goals.

Senior UX Designer · Medius

May 2023 – Jul 2024
  • Designed core features for the Payments project.
  • Contributed to the Design System: components, patterns, and documentation.

UX Mentor · HackYeah, Kraków

Sep 2023

Mentored teams during one of Europe's largest stationary hackathons.

UX Designer · Comarch

Feb 2020 – Apr 2023
  • UX/UI design for enterprise products; user flows, prototypes, usability testing.
  • Delivered end-to-end design projects, aligning with brand standards.
  • Collaborated closely with Product and Engineering teams to refine designs, improve development efficiency, and align design with business goals.

Graphic Designer · Fiberlink

Sep 2019 – Feb 2020

Advertising graphics and brand materials.

UX Designer · SALESmanago

Mar 2019 – Sep 2019

UX and business practices in the SALESmanago app; new features, A/B tests, landing pages.

Graphic Designer · ROXX Media

Sep 2018 – Nov 2018

Web and app design, logo design, advertising graphics.

Education

UX & Business Design

Tischner European University, Kraków

2019 – 2020

BA, Advertising Graphics & Multimedia

Tischner European University, Kraków

2015 – 2018

Graphic Design

IED Madrid – Istituto Europeo di Design

2016 – 2017

Digital Techniques, Processes Graphics

Technical School of Printing Industry and Media

2011 – 2015

Skills

UX for AI AI for Business Product Design Mentoring UX Design Design thinking Usability tests User interviews User flow design UI Design Prototyping Design systems Material Design Cross-Functional Collaboration Agile & Lean Methodologies Design Process Critical thinking Decision-making Storytelling

Tools

Figma Claude Codex Copilot Adobe Creative Suite

Certifications

UX-PM Level 2

UXalliance

Feb 2026

AI+UX Skills for Product Makers

Symetria

Dec 2025

UX-PM Level 1

UXalliance

Oct 2025

UX for AI: Designing AI-based Products

Blurbstudio

Dec 2024

Agile Product Design

EY Academy

Aug 2021

Europass Mobility – Photography in Layout

Leonardo da Vinci, Salamanca

2015

Europass Mobility – Digital Printing

Sofia, Bulgaria

2013

Languages

Polish – Native English – Intermediate Spanish – Basic