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Operator NL / 52.24°N 4.44°E

Tijmen
Steenvoorden

Eight years designing apps and platforms.

Launching new products · improving what already ships · building the systems behind both

Interface design · Product thinking · User research · Delivery · Prototyping

Service record
2024 — now

KYPProduct designer · Noordwijk

Sole designer at the market leader in Dutch construction software. Making four products coherent, the brand design, and the design system the product and development team runs on.

2019 — 2024

DoordachtUX/UI designer · Bodegraven

Moved from digital to product design and took on the whole process: functional requirements, interviews, coordinating cross-functional teams, and testing what came out of it.

2017 — 2018

MoijDigital designer · Amsterdam

Websites, banners and a design system for Señor Wooly. Where I moved from making the visuals to the experience behind them.

Specification
Tools Figma, Adobe Suite, Claude Code, Mixpanel, Storybook, YouTrack, Notion
Languages Dutch, English
Based Noordwijk, NL
Work registry 06 entries
01 Numa 2026 — now A photo editor for Linux, iPhone, iPad and Mac, and a server for your own NAS. Keeping a deep tool calm, built with Claude Code. Desktop · Mobile · AI 02 KYP 2024 — now First designer at the company, halfway through a frontend migration and a rebrand. A cleanup instead of a redesign, and what I would measure differently. System · Brand · Platform 03 Smaakpupil 2022 Helping people with loss of taste enjoy eating again. A taste test, the tastemakers it recommends, and a diary to check what worked. MVP · Research 04 Woonmapp 2021 Digital storage for everything home-related, set up from scratch so a property transfer has one place to hand over. MVP · Platform 05 Piek 2020 Cashless payments for festivals with up to 20,000 visitors. A wallet, a till and an organiser portal, without plastic tokens. App · Till · Portal 06 Señor Wooly 2017 A Spanish eLearning platform reworked around the student: progress they can see, games worth playing, and a currency to earn. Platform · Gamification