House Performance Marketeer

In-House Performance Marketeer | Fast Growing Scale-up | Rotterdam Monday Merch Marketing & Communications · Full-time Posted on Nov 3, 2026 The Performance Marketeer We're looking for a hands-on, experienced Performance Marketeer to join our growth team in Rotterdam. Monday Merch is one of the fastest-growing companies in the Netherlands. We give companies worldwide one place for all their merch: design, production, long-term storage, online stores and events, in 15+ countries. This is an in-house role. You directly own most of our Google and Microsoft Ads accounts and countries, you work with a freelance specialist who runs a few countries, and you work day to day with a founder and the growth team. The team You join the growth team at our Rotterdam office: one founder who leads growth and is your day-to-day counterpart, a UI/UX designer who designs and builds our site, landing pages and shop, and our design and content people. Remote, you work with a freelance Google Ads specialist who runs about 30% of the countries and search budget, a Meta Ads specialist, and our SEO, web and analytics support. Our office in the centre of Rotterdam holds 40+ young, international, bright and hard-working people. Our Megacenter on the edge of the city adds about 60 more, and a remote team of around 100 people works with us worldwide. Your Goal Grow the number of new customers we win through paid search, at a cost that keeps every market profitable, and help us hit our yearly targets. You run the main markets and 70%+ of the budget yourself, and you work with the rest of the team to improve everything around the ads: tracking, landing pages, offers. Your Metrics - New-customer ROAS (per market) - New opportunities per month (per market) Responsibilities - Be the in-house owner of paid acquisition. You run the main markets yourself and keep the whole picture together: a bi-weekly sync with our freelance Google Ads specialist (smaller mar...