Daniel Utrilla Mellinas

Daniel Utrilla Mellinas is a Director of UX and Research at kununu Previously at adidas, onlyfy by XING, and Impact Hub

Director by title, maker by choice · 12+ years experience · 60% UX leadership / 40% hands-on craft

Based in Vienna, Austria — More about me

Selected work ↓

Selected projects by Daniel Utrilla Mellinas

AI-Generated Review Summaries

kununu · 2023 – 2025

Led end-to-end AI product design and research distilling 13M+ employer reviews into trusted summaries — live across 3,000+ enterprise profiles, reaching millions of job seekers with ~80% user trust.

AI Product Strategy UX Research Two-Sided Marketplace

Adidas Runtastic: Infrastructure & Cross-Device UX

Adidas Runtastic · 2022 – 2023

I led core platform design, web infrastructure, EU GDPR governance engines, and Adidas Training Plan integrations servicing 100M+ global runners.

Core platform at scale GDPR & data autonomy Cross-device handoff
Adidas Runtastic Core Platform — Case Study

Job Ad Template Designer

onlyfy by XING · 2021 – 2022

Redesigned the monetized core candidate sourcing engine — cutting job ad creation time by 50%, scaling to 1,000+ enterprise clients across DACH, and reducing support tickets by over 90%.

Monetized Core Modular Design System WYSIWYG Builder
Job Ad Template Designer — Prescreen by XING

Honourable mentions

More work, side projects & other things