I'm Martijn. 31 years old, based in the Netherlands. I'm a dad, I play golf, and I love cars. Oh.. and I get unreasonably excited about digital products that are both beautiful and brilliantly built. My job title is product designer, but...

I'm not your typical designer. To be honest, I'm not even sure myself what I am anymore. I have always been busy building my own ideas. Combining code with design. For myself, as an employee, and for clients. But AI has ignited something in me like never before. What is happening? I'm having such a good time.

It all started when I was around the age 13. That's almost 19 years ago. Front-end development, messing around, figuring things out. Over time that shifted into product design, and that's what I've been doing for well over a decade now.

That should make me a product designer, right? Yeeaah.. about that. I love design. But I'm not sure if I fit the picture most people have about it. There's nothing creative about just showing a plain picture. For me it always needs to be a combination. I only know how good something I designed is after I've built it as well. I can spend hours designing something, and will spend that same amount of time rebuilding it in code to make sure it really is right.

What I do know is this: I need to bridge that gap. I'm not just here to make things look good. I want to understand the metrics, talk to customers, grasp the business. And then design it. And then build it. That full loop, that's where I come alive.

Looking for a new adventure

I'm looking for a fulltime role. But not just any role. I want to be somewhere where I can do all of it. Talk to customers, understand the business, design the solution, and help build it. Not just hand off a Figma file and call it done. I want to own features end to end, from the first conversation to the thing that actually ships.

I'm also genuinely excited about AI. Not as a buzzword, but as something that has completely changed how I work and what's possible. I want to be somewhere that feels the same way.

I won't pretend I fit neatly into a job description. But if you're looking for someone who cares deeply about the full picture, I might be exactly what you need.

Experience

For over a decade I've been working as a product designer. Bigger corporate companies, small startups, and running my own business for nearly six years.

2025 – now · Lead Product Designer at AppSignal

I lead the bigger projects and help shape the overall design direction. I work closely with other designers and have shifted my workflow towards designing directly in code with AI, rather than going through Figma first.

2023 – 2025 · Senior Product Designer at Picqer

Warehouse management software, from desktop interfaces to mobile apps on Zebra scanners. I shaped features end to end using Shape Up, regularly visited customer warehouses to see how people actually worked, and occasionally dove into the Vue codebase to help build.

2022 – 2023 · Senior Product Designer at Felyx

Solely responsible for all design in the moped sharing app. Everything a rider touched, from finding a scooter to ending the ride. A lot of the work involved safety requirements and municipal regulations across different cities.

2020 – 2021 · Senior Product Designer at Just Eat Takeaway

Worked on T-Connect, the kitchen terminal used in restaurants across multiple countries. Sole designer working with a team of around 12 engineers. Also led the company-wide transition from Sketch to Figma and helped the UK team rebuild their design system.

2015 – 2020 · Owner at Appstronaut

My own studio for nearly six years. Took client ideas from zero to one: strategy, UX, UI, and development. I managed everything from the work itself to client relationships and the commercial side.

2013 – 2014 · Product Designer at Shopify, SeatGeek and Moneybird.

Sounds like a match? Find me on LinkedIn or send me a mail.