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Creative Strategist at Happy Mammoth. Location Information: Berlin, Berlin, Berlin, Deutschland. Happy Mammoth. is a fast-growing natural food tech business selling across the US, Australia, and Europe. We formulate, produce, and market gut, digestive, and microbiome health supplements — and performance marketing is a core growth driver for us.. This is not a brand or content role. It sits squarely in paid acquisition and performance creative. We're looking for a. Creative Strategist with a direct-response mindset. — ideally someone who started as a copywriter and evolved into performance creative strategy.. Part-time freelance contractor. B2C / DTC Experience Required. EU hours (GMT). Supplements / health a strong plus. This role is about what converts, not what "looks good.". What you'll actually do. Own performance creative strategy for paid media (Meta-focused). Develop angles, hooks, messaging frameworks, and iterations. Translate data (CTR, CPA, CVR, ROAS) into creative decisions. Build and refine creative testing roadmaps. Brief and iterate with copywriters, editors, and designers. Analyze winning vs losing creatives and scale what works. Continuously improve performance through structured experimentation. What we're looking for. Proven experience in performance marketing creative. Strong copy background (ads, hooks, messaging — not just concepts). Hands-on experience working with media buyers. Comfort owning results, not just deliverables. Clear understanding of direct-response psychology. Ability to move fast, test often, and iterate. Requirements. Senior-level experience in performance creative and/or direct-response copywriting. Proven exposure to paid media environments (Meta experience required). Strong understanding of conversion-focused creative and testing. Fluency in English (CVs must be submitted in English). Ability to operate independently in a fast-paced, remote setup. Available during EU working hours (GMT). Why Happy Mammoth. Competitive compensation aligned with senior performance roles. Fully remote with clear ownership and accountability. Opportunity to work on high-impact, high-scale performance campaigns. Flexible part-time engagement — work around your schedule. Powered by JazzHR. ktrO6mvWIA. Please mention the word **SERENE** and tag RMTM2LjExNi4yMTYuMjM= when applying to show you read the job post completely (#RMTM2LjExNi4yMTYuMjM=). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human..