About UsRuby 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: UsRuby 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: The RoleWe 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.

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 ResponsibilitiesChannel Ownership: Own the Facebook account end to end — structure, budgets, bidding, geo mix — keeping subscription volume high at target CPA and ROI.Testing: Run a continuous testing pipeline — creatives, structures, bidding (highest volume / cost cap / bid cap), placements, geos and languages.

Creative Ideas: Own the creative direction for the channel — hooks, angles, formats — and brief the creative team with data-backed feedback.Working with Data:



Make decisions on real cohort revenue from our BI, not on Ads Manager numbers. Break performance down to country × creative × bid level and build your own reports.QualificationsMust-Have Experience2+ years hands-on Facebook as the primary channel you personally owned.Personally owned $400K+/month on Meta with direct accountability for CPA / ROI targets — your budget, not your team's or agency's total.Subscription funnels: drove subscriptions or trials through web funnels (web-to-web) or subscription apps for D2C products.Analytics: comfortable with cohorts, LTV, payback and the gap between platform and BI numbers.AI in daily work: uses Claude, ChatGPT or equivalents daily for analysis, reporting and automation — not just aware of them.Working proficiency in English (B2+).Not a FitMostly agency experience (spread across many small clients)E-commerce / catalog-only background (DPA, Shopping, basket ROAS)Who You AreFull owner of your zone — from diagnosis to result, no reminders neededAnalytical — every scale or kill decision has a period, a threshold and a dollar amount behind itPlans ahead — runs the channel against a plan weeks and months outFast under load — many campaigns and tests in parallel without quality slippingAmbitious — wants to grow fast and prove it with performanceLocationRuby Labs operates within the CET (Central European Time) zone.

Remote Work Environment: Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.Versátil Independent Contractor Agreement: Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.

📌 Senior User Acquisition Manager (Facebook) (Barcelona)
🏢 Ruby Labs
📍 Barcelona