Picture of Stjepan Štajduhar

Stjepan Štajduhar

Designing things on the internet since 2004


2020 -

Design Consultant

Jolly Good Design

Helping companies design useful software

2013 -

Product Design Manager


Building a hotel PMS that meets the hotel staff needs so intuitively that they require almost no training

2015 - 2019

Design Consultant

Perceptive Interactive

Designed software at the intersection of design and psychology

2008 - 2013

Web designer & developer


Built marketing websites of all shapes and sizes

2004 - 2015

Web designer & developer


Designed websites left and right, sometimes deep into the night


2013 - 2014


Startup Inkubator Rijeka

Helped startups design better products


2003 - 2010

Psychology M.A.

University of Rijeka, Faculty of Arts & Humanities 🇭🇷

Learned to conduct research and analyze people data.



  • Defy the norm and question assumptions
  • Adapt to change as inevetable part of life
  • Oversight not required
  • Organized. Really. Well. Organized.
  • Loyal


  • Products that are usable and useful
  • High detailed prototypes
  • Visual design components
  • UX & UI Design
  • UX Writing
  • Wireframes and sketches for ideation
  • User flows for clarity


  • HTML
  • CSS
  • JavaScript*
  • PHP*
  • SQL**

Design tools

  • Pen & paper (well, iPad and Pencil)
  • HTML & CSS
  • Figma, Sketch, Adobe Suite (PS, AI, XD, ID), Affinity Suite, Balsamiq, Lucidchart, Whimsical...


  • A/B testing
  • Questionnaire construction
  • Quantitative research
  • Statistical analysis

Designed by me with good 'ol HTML & CSS. Type is set in Inter and iAWriter Duo.

*I can write some, but you should not hire me to do this.

**I can query a database.