A/B Tester – Shopify, CRO

. Analyze user behavior using GA4, heatmaps, and session recordings .

Posted 10/24/2026full-timeGilching • GermanyMid-LevelSeniorWebsite

Key responsibilities & impact

Analyze user behavior using GA4, heatmaps, and session recordings
Identify funnel drop-off points and derive revenue hypotheses
Set up A/B tests independently in the testing tool
Statistically evaluate tests, including significance, duration, and sample size
Document learnings and roll out winning variants
Prioritize the testing roadmap based on expected revenue impact and keep at least one test live at all times
Use social proof, user guidance, and microcopy to improve purchase decisions
Design landing pages, product and category pages, content modules, banners, and teasers
Further develop the shop’s visual language for the DE, EN, FR, and NL markets
Maintain content and assets in Shopify
Brief the development agency on theme customizations
Consider page speed and mobile UX
Use AI tools for images, text, and code to develop variants
Report directly to the Head of E-Commerce and work as part of a small e-commerce team

What you’ll need

Hands-on A/B testing experience: independently designed, technically implemented, and statistically evaluated e-commerce tests
Able to present an example including the hypothesis, setup, and results
Confident using GA4 and at least one testing tool in practice
Understanding of trust, social proof, user guidance, and copy in relation to conversion
Able to create shop-level designs in Figma or a similar tool, with a mobile-first approach and clear hierarchy
Portfolio featuring Shopify and/or e-commerce projects is a mandatory part of the application
German at C1 level
English at B2+ level
Experience with Shopify, Shopify-related testing tools, HTML, CSS, Liquid, Hotjar/Microsoft Clarity, Klaviyo, Meta Ads, other e-commerce platforms, multilingual shops, and AI tools is helpful but not required

Comp & perks