I design mobile products that stay clear when things get busy.
Industrial Design Engineering graduate from TU Delft, moving into product design full-time. I ship real apps with real stakeholders — and I want to grow craft around flows, UX decisions, and product ownership.
Selected work
Client products and self-initiated apps. Problem first, then decisions and screens.
Speelopvliegers
Party game for women 50+. One host app, QR join, honest free-to-unlock path.
Stira
Privacy-first period tracking. Local data. Partner sharing only with clear consent.
Next Level
Padel Next Level
Lesson booking for trainer Ruud. Tight V1 scope. Students book. Agenda stays sane.
Why Ask Siebe exists
Recruiters can chat with an AI guide trained on my public work and background. It’s also a live demo of how I use AI systems in real products and hiring contexts.
Ask about my projects, process, career switch into product design, or how I collaborate with clients.
Open Ask SiebeWhat I’m looking for
Early-career Product Designer roles in mobile consumer products — places with craft, feedback, and real users.