Head of Growth

About Ruby Labs

Ruby Labs is a leading tech company creating and operating innovative consumer products across health, education, and entertainment. We are always seeking passionate individuals to join our diverse teams.

About The Head of Growth Role

Ruby Labs seeks a Head of Growth to lead experimentation and product growth initiatives across our portfolio of D2C subscription products. Your mission is to design, manage, and scale a world-class growth system that drives acquisition, activation, retention, and monetization through structured experimentation and strategic leadership. This role is crucial for transforming growth into a repeatable, scalable competitive advantage.

The Growth Team

You will build and lead a high-performing growth organization comprising top-tier talent across CRO, growth, lifecycle, and research. Our team operates in a fast-paced, 100% remote environment with high talent density and a strong ownership culture. As Head of Growth, you will set standards, build scalable processes, and ensure alignment across all growth-related functions during critical scaling phases.

Key Responsibilities

• Lead experimentation and product growth initiatives across multiple Ruby Labs products by designing, managing, and scaling high-impact testing and optimization programs.
• Define and institutionalize a company-wide experimentation framework covering hypothesis generation, prioritization, test design, validation, and knowledge management.
• Establish structured growth roadmaps aligned with company objectives, product lifecycle stages, and market opportunities.
• Oversee CRO, growth, lifecycle, and research functions to ensure consistent testing velocity and measurable impact.
• Ensure statistical rigor, data integrity, and methodological excellence across all experiments.
• Maintain exceptionally high quality standards for all tests, including strong attention to UX, visual design, messaging, and brand consistency.
• Apply strong problem-solving and critical-thinking skills to diagnose performance issues and design effective growth solutions.
• Translate data insights, user research, and behavioral analytics into well-designed, high-quality experimentation initiatives.
• Continuously analyze key growth and unit economics metrics, including CAC, LTV, ARPU, retention curves, and conversion rates.
• Establish best practices for experiment documentation, learning management, and institutional knowledge sharing.
• Foster a culture of structured experimentation, craftsmanship, and high performance across all growth teams.
• Present insights, performance reviews, and strategic recommendations to executive leadership.

Qualifications

We are looking for a senior growth leader with deep experience in D2C digital products, ideally subscription-based businesses. You should have built and scaled experimentation-driven growth systems and understand how to balance speed with quality. The ideal candidate combines strategic thinking with strong product intuition, analytical depth, and design sensibility, caring deeply about user experience, clarity of messaging, and execution excellence.

• 7+ years of experience in growth, CRO, product growth, or performance strategy.
• Proven success scaling digital subscription or consumer products.
• Advanced expertise in experimentation and analytics platforms.
• Strong understanding of user behavior, funnels, and monetization mechanics.
• Demonstrated ability to maintain high testing standards at scale.
• Experience leading high-performance, cross-functional teams.
• Excellent written and spoken English.
• High standards, strong ownership mindset, and structured thinking.

Location & Work Arrangement

Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for this 100% remote 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!

• 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.
• Paid National Holidays: Celebrate and relax on national holidays with paid time off.
• Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
• Flexible Independent Contractor Agreement: Unlock benefits of flexibility, autonomy, entrepreneurial opportunities, and potential tax advantages.

Interview Process

After submitting your application, a thorough review typically takes 3 to 5 days. If there's a potential fit, the process includes:

• Recruiter Screening (40 minutes)
• Technical Interview (60 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 here to build, grow, and win, looking for ambitious, driven individuals ready to give their best every single day. This is a place for those 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, recognizing those who deliver results and creating space for more responsibility, growth, and success.

Key skills/competency

• Growth Strategy
• Experimentation Framework
• CRO (Conversion Rate Optimization)
• Lifecycle Marketing
• Product Growth
• Data Analytics
• User Acquisition
• Retention
• Monetization
• D2C Subscription
• Leadership