Interim / Freelancer: Senior Digital Marketing Manager (m/f/d)

Your mission

Location: Hamburg

Start: 01. Or 15. August 2025

Timeframe: 3 months

30-40 hours/week

Your Mission

As the Senior Digital Marketing Manager you will own paid performance marketing, organic content concepting and production, copywriting, and brand management for MushRoots - and lead a small team in executing a high-impact social-first strategy.

Content Creation & Copywriting

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Lead end-to-end content creation for Instagram: feed posts, stories, and reels

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Produce and/or direct high-quality multimedia content (video, photo, graphics) tailored to Instagram

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Write compelling German copy that reflects the MushRoots brand voice - bold, mushroom-forward, and anti-meat-substitute

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Ensure cultural relevance and nuanced copy writing and story telling for a modern, urban audience

Paid Performance Marketing

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Plan, execute, and optimize Meta (Instagram/Facebook) paid campaigns including reach, awareness, and conversion objectives

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Manage campaign budget allocation across PLZ-based audience segments and retail regions

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Ensure on-brand communication across all assets

Creator Marketing

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Manage and support creator marketing manager for UGC content creation and specific creator campaigns

Brand Experience & Events

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Conceptualise and support the execution of brand activations and creator events — from ideation through to on-the-ground presence

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Transform offline brand experiences into compelling social content — capturing live moments and turning activations into reach on Instagram

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Develop event-specific content strategies that connect public and creator-facing activations with broader campaign goal

Check out our MushRoots Instagram to really get our vibe and ambition.

Your profile

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5+ years of experience in digital marketing, paid social and content strategy

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Fluency in German and English is required.

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Experience working as an interim marketing professional or freelancer, with a track record of successfully delivering short-term projects and rapidly creating impact in dynamic environments

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Proven track record managing Meta campaigns (Instagram/Facebook) with measurable results

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Strong content creation skills - you can ideate, direct and/or produce social video and photo content

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Excellent copywriting skills in German

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Experience in brand management and maintaining consistent visual/tonal identity

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A proactive, creative, and adaptable mindset, thriving in a fast-paced environment

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Passionate about food & beverage and deeply understands consumer behavior in the FMCG space

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Willingness to work from Hamburg office and travel within Germany for brand activations and events

Our Benefits

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Work for one of the global innovation leaders in the food industry

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Dynamic and diverse mission-driven team from more than 25 different countries

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A fast growing company with exceptional opportunities for personal development

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Flat hierarchies and short decision paths

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Flexible working hours with entitled Home Office days in an innovative and agile working environment

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Drinks, cereal bar and fresh fruit at the office, our home products tasting session for new employees

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Lastly, join us in the journey as we change the food system as we know it!

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Ready to disrupt the food system with us?

About us

Infinite Roots® is a biotech company based in Hamburg, Germany. We tackle some of the world’s biggest challenges through products we develop by leveraging the fungal kingdom. Our team of 60+ people from 25 nationalities — 55% women and 10 PhDs strong — shares one mission: to unlock the full potential of fungi for a more sustainable future.