Senior CRO Manager

Ruby Labs is a leading tech company that creates and operates innovative consumer products. They offer a diverse range of opportunities across the health, education, and entertainment industries. They have built a category-defining document management platform that is battle-tested in production, recently profitable, and serves hundreds of thousands of customers globally.

• Proven CRO results with 3+ years of hands-on experience, ideally with subscription or SaaS funnels.
• Funnel and product thinking considering the full user journey and compounded effects.
• AI-native workflow integrating AI in prompting, prototyping, analyzing, and drafting.
• Strong UI/UX sensibility with the ability to create compelling and detailed visual specs.
• Bias for shipping and fast iteration.
• Analytical skills with experience in Mixpanel, GrowthBook, Google Analytics, or similar.
• Remarkable attention to detail in fast-moving environments.
• Self-driven, proactive ownership of outcomes.
• Fluent English with strong written and verbal communication.

Nice to have:

• Exposure to marketing attribution models, UTM parameters, and ROAS measurement.
• Strong project management skills.
• Bachelor's degree in a relevant field.

• Own end-to-end optimization cycles: research → hypothesis → design → test → rollout, while keeping the cycles short.
• Use AI tools daily to accelerate research, ideation, design, analysis, and documentation.
• Perform deep funnel and product analysis across the full user journey: acquisition, activation, retention, monetization, and competitive benchmarking.
• Design high-fidelity wireframes and visual specs built in Next.js and TailwindCSS.
• Partner with engineers to ensure flawless test implementation and rapid deployment.
• Analyze results with statistical rigor and make confident scaling decisions.
• Document learnings and maintain a continuously prioritized testing roadmap.
• Present insights and results clearly to stakeholders, building alignment and momentum.

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