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Salary: USD 115,000 - 128,000 / annual
ZBiotics is a venture-backed biotech consumer company (Y Combinator, Khosla Ventures) headquartered in San Francisco, pioneering genetically engineered probiotics for daily wellness. Their flagship product, Pre-Alcohol™, breaks down acetaldehyde during alcohol consumption; Sugar-to-Fiber™ converts dietary sugar into fiber. The company is scaling rapidly with a full pipeline of engineered probiotic products.
In this role, you will own day-to-day execution of ZBiotics' most efficient acquisition channel: their affiliate program. Reporting to the Senior Growth Marketing Manager, you'll manage affiliate relationships, agency partnerships, and commission structures while scaling performance efficiently. You'll also oversee their largest-spend acquisition channel—podcast, newsletter, and YouTube sponsorships—currently tracking toward $1M+ monthly spend.
Key Responsibilities:
**Affiliate Marketing:** Own and grow affiliate programs including agency relationships, communications, and commission payments. Report weekly on KPIs (new customers, customer acquisition cost). Scale affiliate marketing while maintaining efficiency. Gather feedback from affiliates and synthesize learnings for the team. Build and operate the Amazon Affiliate program.
**Sponsorship Content & Reporting:** Review podcast, newsletter, and YouTube sponsorship content for brand alignment and compliance. Generate seasonal talking points tied to promotions. Complete weekly performance reviews and share insights with leadership.
**Growth Testing:** Support and champion innovation tests—identifying, testing, and learning from existing affiliate channels to drive continuous improvement.
You'll have real budget ownership, direct relationships with partners, and visible impact on business growth at a well-funded, early-stage startup.
**Requirements:**
- 3–5 years of performance marketing experience
- Hands-on experience working with affiliates or endorsers (podcasters, newsletters, YouTubers)
- Familiarity with affiliate networks (Impact, Superfiliate, ShareASale) and project management tools (Asana, Notion, Monday)
- Comfort with growth metrics (NCPA, ROAS, LTV) and ability to use performance data to optimize campaigns
- Comfort with RFP process and affiliate agency landscape
**Helpful Additional Experience:**
- Startup or small-company background where you've built processes or policies from scratch
- Attribution tool experience (Triple Whale, Northbeam)
- Shopify expertise, CPG DTC experience, and/or Amazon selling knowledge
