Senior User Acquisition Manager (Facebook)

Ruby Labs is a leading technology company specialising in innovative consumer products across multiple technology sectors. The company focuses on D2C (Direct-to-Consumer) subscription products.

Must-Have Experience:

• 3+ years of hands-on paid social experience, with Facebook as a primary channel owned.
• Experience managing six-figure monthly ad spend on Facebook with clear ROI accountability.
• Proven track record maintaining high volumes profitably while continuing to scale.
• Experience driving subscriptions through web funnels (web-to-web) for D2C products.
• Deep Meta platform knowledge: account structures, audience targeting, bidding strategies, and creative testing methodology.
• Multi-GEO experience running and scaling campaigns across multiple countries.
• Advanced Excel skills plus proficiency in Tableau and Mixpanel.

Operating Attributes:

• Autonomous and proactive with minimal oversight.
• Highly analytical, data-driven decision making.
• Ability to run multiple campaigns, tests, and reporting streams in parallel.
• Always testing new approaches beyond existing methods.
• Clear and direct communication of insights and recommendations.

Channel Ownership & Performance:

• Own and optimise the Facebook ad account end to end — structure, bidding, budget allocation, scaling.
• Maintain high subscription volume while driving efficient CPA and positive ROAS.
• Prepare and present a clear weekly channel strategy with results and next steps.

Testing & New Approaches:

• Continuously test new campaign structures, audiences, bidding strategies, and placements.
• Identify and pilot new approaches before performance plateaus, scaling what works.
• Run structured creative testing to find winning angles, hooks, and formats.

Creative Collaboration:

• Work closely with the creative team to develop high-performing ad creatives.
• Provide data-driven feedback on angles and messaging to guide production.
• Manage creative fatigue proactively, rotating and refreshing at high spend levels.

Analytics & Data:

• Build custom performance models, analyses, and reporting in Excel, Tableau, and Mixpanel.
• Develop growth plans based on CPA, ROAS, and ARPU cohort data with the data team.
• Own the channel testing roadmap: audiences, bidding, geo-expansion, and landing funnels.

Applicants must be located within approximately ± 4 hours of Central European Time (CET) to ensure optimal collaboration and communication during working hours.