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About us

Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. 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

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 relentlessly performance-driven, highly analytical, and takes full accountability for their numbers.

Key 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

Qualifications

• 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

• Performance-obsessed — ROI maximisation is your primary driver, not vanity metrics
• 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.

Benefits

Discover the perks of being part of our vibrant team! We offer:

• Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
• Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
• Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
• Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
• Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0

Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!

Interview Process

After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:

• Recruiter Screening (40 minutes)
• Technical Interview (90 minutes)
• Final Interview (60 minutes)

Life at Ruby Labs

At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.

This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.

Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.

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