Growth Engineer B2B SaaS for KMU

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About the role

You run growth experiments end to end. You bring the questions worth answering, agree the hypothesis with the founders, build the test yourself, and measure it properly. We are looking for a marketer who can build, not an engineer who supports marketing.

What you'll do

• Shape the test agenda with the founders, and sync with the rest of growth wherever an experiment touches their area
• Build what the test needs: landing pages, flows, tools, integrations, automations. The simplest version that will confirm or kill the hypothesis, in days (or better hours) rather than sprints.
• Make the measurement trustworthy. Tracking, attribution, the data model and the HubSpot side of it.
• Read results honestly, including when they kill your own idea, and write down what we learned so nobody relearns it in six months

What you'll need

• AI-native, not AI-curious. Claude or an equivalent is your daily sparring partner rather than a tool you open occasionally.
• You are a marketer first. Funnel, messaging, positioning, offer, what actually moves a number.
• You have run experiments without being handed hypotheses.
• Visual and copy judgment. You can lay out a page that looks intentional, write the headline, and say precisely why a weak version is weak.
• German at C1 or above. You write the variants and the messaging you test.
• English at B2 or above, since English is our working language.

Nice to have

• Experience as an entrepreneur or running a function as if it were your own company
• Experience working with HubSpot, BigQuery, Chargebee/Stripe

What they offer

• Base 70,000 to 100,000 EUR plus stock options
• Flexible hours apart from daily standup
• Direct influence on growth agenda with founders
• No layer between you and decision-making

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