Lead User Acquisition Manager
External
Ruby-labs · SerbiaPrepare for this interview
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About the role
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. 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/ As Lead User Acquisition Manager, you will own and scale paid acquisition for one of our core D2C subscription products. Your primary mandate is to maximise ROI across all paid channels - driving consistent, high-quality traffic that converts and retains. You will execute the strategy, manage the budget, and work closely with creative and analytics to continuously improve performance. This is a hands-on role suited for someone who is highly analytical, execution-focused, and takes full accountability for their numbers. Performance instability and unresolved issues are not acceptable - you are expected to operate with structure and rigour at all times. The bar is high and so is the upside - performance here is directly and significantly rewarded, and strong operators take on bigger scope fast.
Responsibilities
- ROI & Performance Ownership
- Own and maximise ROAS across all paid channels.
- Develop and implement strategies to drive efficient CAC and sustainable growth.
- Build growth plans based on LTV:CAC ratios and ARPU.
- Identify scaling opportunities across channels while maintaining performance efficiency.
- Strategy & Execution
- Define and execute the UA strategy across all platforms (Meta/Google, TikTok, etc.).
- Design and implement optimal campaign structures across all active platforms.
- Continuously test and refine targeting, bidding strategies, and campaign setups.
- Creative Collaboration
- Work closely with the creative team to develop high-performing ad creatives.
- Identify and test new selling angles, creative approaches, and messaging strategies.
- Provide data-driven feedback to guide creative direction across all channels.
- Analytics & Data
- Use data-driven insights to inform every strategic and tactical decision.
- Build and maintain performance reporting and attribution frameworks.
- Own the testing roadmap: A/B tests, geo-expansion, channel scaling, creative iteration.
Requirements
- Must-Have Experience
- 3+ years in performance marketing with a strong focus on D2C subscription products (web-to-web, web-to-app).
- Proven track record of maximising ROI and scaling paid acquisition.
- Deep platform expertise across paid social and search (Meta/Google, TikTok, etc.).
- Strong quantitative and analytical skills with proficiency in Tableau, Google Analytics, and Excel/SQL.
- Experience working with attribution models and performance reporting frameworks.
- Leadership Attributes
- Highly analytical - makes every decision based on data, not intuition alone.
- Hands-on and execution-focused - you own your numbers end to end.
- Commercially minded - understands UA as a growth engine and thinks like a profit-focused operator.
- Self-directed and accountable - operates with minimal oversight and delivers results.
- Location
- Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
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