Head of Growth
Posted 17hrs ago
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Job Description
Head of Growth scaling HeySunday’s sustainable cleaning-products e-commerce business through paid acquisition, CRO, and SKU testing. Driving profitable growth with Google Ads, Meta Ads, AI automation, and portfolio-company engagements.
Responsibilities:
- Own HeySunday’s full growth engine, including strategy, prioritization, and outcomes
- Manage paid acquisition end-to-end across Google Ads and Meta Ads, including channel mix, budget allocation, and daily platform work
- Run a high-cadence SKU testing program and optimize performance
- Build and own HeySunday’s growth model and reporting layer
- Direct engineering, design, and creative teams to ship landing pages, ad creative, and funnel changes
- Use AI and automation for auto-pausing rules, creative variants, attribution scripts, and automated reporting
- Spend approximately 20% of time on time-boxed growth engagements for other Mechanism portfolio companies
- Codify successful approaches into reusable playbooks, scripts, and automations
- Provide written updates on results, learnings, and blockers
Requirements:
- 6+ years in performance marketing
- Deep, current hands-on experience running Google Ads and Meta Ads at material scale
- Track record of profitable scale in DTC or e-commerce
- Hands-on experience with SKU testing, landing page optimization, and CRO
- Technical fluency, including Claude Cowork, GA4, living dashboards, or workflow automation scripts
- First-principles thinking and bias to action, shipping in hours and days
- Strong written communication and evidence-based reporting
- Comfort leveraging AI, automation, and modern growth tooling
- Legally authorized to work in the US



















