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

We are looking for a Senior User Acquisition Manager to drive and scale paid acquisition across Meta and TikTok for our subscription-based products.

This is a hands-on role with a strong focus on performance, experimentation, and scalable growth. You will be responsible for building, optimizing, and scaling acquisition systems, working closely with creative, product, and analytics teams.

The ideal candidate combines strong execution skills with strategic thinking, is highly data-driven, and thrives in a fast-paced environment where speed and ownership matter.

Key Responsibilities

Performance & Scaling

• Own and scale paid acquisition across Meta and TikTok

• Continuously improve key metrics (CPA, ROAS, ROMI)

• Identify and scale winning campaigns while maintaining efficiency

Campaign Management & Optimization

• Build and manage campaign structures aligned with scaling goals

• Continuously test and optimize creatives

• Run structured A/B tests with clear hypotheses and learning agendas

Data Analysis & Decision-Making

• Analyze performance across the full funnel

• Identify bottlenecks and growth opportunities

• Translate data into actionable insights and decisions

• Work with attribution models and understand platform-specific nuances (e.g., iOS 14+)

Creative Collaboration

• Partner closely with creative teams to develop high-performing ads

• Provide clear, data-driven feedback on hooks, angles, and formats

• Help define and scale repeatable creative frameworks

Growth Experiments

• Identify new scaling levers within existing channels

• Test new audiences, formats, and campaign types

• Contribute to testing new acquisition channels when relevant

Cross-functional Collaboration

• Work closely with product, analytics, and growth teams

• Align on KPIs, tracking, and reporting

• Ensure data accuracy and proper event tracking

Qualifications

Experience

• 3–5 years of experience in user acquisition / performance marketing

• Strong hands-on experience with Meta and TikTok Ads

• Proven track record of managing and scaling $1M+ monthly budgets

• Experience with subscription-based products (web) is a strong plus

Analytical Skills

• Strong understanding of performance metrics (CPA, ROAS, LTV, retention)

• Ability to analyze data and make fast, informed decisions

Execution & Ownership

• Highly proactive and self-driven

• Comfortable owning performance outcomes end-to-end

• Strong ability to manage multiple campaigns and priorities simultaneously

Strategic Thinking

• Data-driven mindset with a structured approach to testing

• Ability to balance short-term performance with long-term scalability

• Focus on building repeatable acquisition systems

Communication & Collaboration

• Clear and structured communication

• Ability to present insights and performance to stakeholders

• Strong collaboration with creative and cross-functional teams

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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