Ruby Labs is a leading technology company specializing in innovative consumer products across multiple technology sectors. The company focuses on D2C (Direct-to-Consumer) subscription products. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/
About Us
Ruby Labs is a leading technology company specializing in innovative consumer products across multiple technology sectors. The company focuses on D2C (Direct-to-Consumer) subscription products. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/
About The Role
We are looking for a Senior User Acquisition Manager to own and scale Facebook(Meta) for one of our core D2C subscription products. The funnel is simple:
ad → quiz → trial → subscription (web-to-web) . The scale is not:
40+ countries, 20+ languages,
one of the largest Meta budgets in its category.
You will be measured on two numbers:
daily subscriptions and cohort ROI
— not clicks, not CTR, not platform-reported ROAS. You'll operate with serious leverage: an API-driven build pipeline and AI tooling handle the mechanical work. Your job is judgment — what to scale, what to cut, where the next dollar goes. The bar is high and so is the upside: performance here is directly and significantly rewarded, and strong operators take on bigger scope fast.
Key Responsibilities
Channel Ownership: Own the Facebook account end to end — structure, budgets, bidding, geo mix — keeping subscription volume high at target CPA and ROI.
Scaling & Stability: Scale winners without breaking CPA; keep delivery stable at high spend and catch problems before they cost money.
Testing: Run a continuous testing pipeline — creatives, structures, bidding (highest volume / cost cap / bid cap), p
📌 Senior User Acquisition Manager (Madrid)
🏢 Ruby Labs
📍 Madrid
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