Senior Media Buyer

Happy Mammoth is a fast-scaling natural food tech company with a strong presence in the United States, Australia, and Europe. We formulate, manufacture, and scale premium gut health foods and microbiome-focused supplements, operating at the intersection of science, performance marketing, and brand.

We are looking for an exceptional Senior Media Buyer to take ownership of paid acquisition and play a key role in scaling revenue efficiently across markets.

This role is not for a junior executor. We are looking for someone who has already managed meaningful spend, understands direct-response eCommerce deeply, and knows how to scale without destroying efficiency.

What You’ll Get

• Strong compensation aligned with seniority and impact

• Fully remote, full-time contractor role

• Autonomy and ownership 

• Direct access to decision-makers and a fast execution environment

• Long-term growth opportunity within a scaling global brand

Important Role Notes

• Full-time, fully remote contractor position

• Strong B2C / direct-to-consumer background required

What We’re Looking For

Core Requirements

• Proven experience managing $600K+/month ad spend 

• Strong background in eCommerce performance marketing

• Demonstrated ability to scale while maintaining ROAS and CPA discipline

• Deep understanding of Meta ads at scale

• Experience running campaigns across US, Australia, and EU markets

• Ability to independently plan, test, scale, and optimize campaigns

• Strong analytical skills with a performance-first mindset

Strategy & Execution

• Excellent at writing clear, actionable creative briefs for designers and video editors

• Strong understanding of full-funnel acquisition, including:

  • Prospecting

  • Retargeting

  • Upsells and post-purchase flows

• Comfortable testing offers, angles, hooks, formats, and audiences

• Experience collaborating with creative, CRO, and product teams

Nice to Have

• Experience in health, supplements, or regulated products

Responsibilities

• Own and scale high-budget paid media campaigns across Meta and other platforms

• Drive profitable growth with a strong focus on ROAS, CPA, and LTV

• Develop and manage structured testing roadmaps

• Build and refine full-funnel acquisition strategies

• Adapt messaging and targeting by market (US, AU, EU)

• Analyze performance data, extract insights, and iterate fast

• Stay ahead of platform changes, algorithm shifts, and competitive landscape

Application Notes

• CV must be in English