Senior CRO Manager

Ruby Labs is a leading tech company that creates and operates innovative consumer products across health, education, and entertainment industries.

• Proven CRO results with 3+ years of hands-on experience, ideally with subscription or SaaS funnels.
• Ability to think about the full user journey and how product decisions compound with funnel decisions.
• Active integration of AI into daily workflow for prompting, prototyping, analyzing, and drafting.
• Strong UI/UX sensibility with the ability to build detailed visual specs.
• Bias for shipping and rapid iteration.
• Skilled in Mixpanel, GrowthBook, Google Analytics, or similar tools.
• Remarkable attention to detail in fast-moving environments.
• Self-driven, proactive, and fully accountable for outcomes.
• Fluent English in written and verbal communication.

Nice to have:

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

• Own end-to-end optimization cycles: research → hypothesis → design → test → rollout, keeping cycles short.
• Use AI tools daily to accelerate research, ideation, design, analysis, and documentation.
• Perform deep funnel and product analysis across acquisition, activation, retention, and monetization stages plus 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 to build alignment and momentum.

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