Ruby Labs

marketing manager in conversion optimization

In short

This role leads conversion rate optimization (CRO) for a company building consumer products in health, education, and entertainment, running full optimization cycles from hypothesis to testing and rollout on subscription or SaaS funnels. It requires at least 3 years of hands-on CRO experience, strong UI/UX design skills, and familiarity with analytics tools like Google Analytics, Mixpanel, or Growthbook. The job is fully remote, full-time, structured as an independent contractor agreement, with performance-based compensation and KPI-linked bonuses.

Description
Ruby Labs creates and operates consumer products across the health, education, and entertainment industries.
Responsibilities
•Lead end-to-end optimization cycles from research and hypothesis generation through design, testing, and rollout
•Analyze funnels and benchmark competitors to identify high-impact opportunities
•Design high-quality UI/UX mockups that communicate the vision and maintain brand integrity
•Partner with engineers to ensure accurate test implementation and deployment
•Maintain high standards of detail and quality throughout the process
•Analyze test outcomes rigorously and make scaling decisions
•Document learnings and build a systematic testing roadmap for continuous conversion growth
•Present insights and results clearly to stakeholders and build alignment
Requirements
•At least 3 years of hands-on CRO experience, ideally with subscription or SaaS funnels, with documented performance improvements
•Strong understanding of UI/UX and the ability to create detailed mockups
•Experience with Google Analytics, Mixpanel, Growthbook, or similar platforms
•Strong attention to detail, a bias for action, and comfort working in fast-moving environments
•Self-driven and proactive, with accountability for performance outcomes
•Clear and persuasive communication skills
•Fluent English, written and spoken
Nice to have
•Exposure to marketing attribution models, UTM parameters, and ROAS measurement
•Strong project management skills
•A relevant bachelor's degree
Conditions
•Compensation is performance-based
•Substantial bonuses are tied to exceeding KPI targets
•Rapid career advancement for consistent results
•Autonomy to implement ideas without bureaucratic barriers
•Unlimited paid time off
•Paid national holidays
•A company-provided MacBook for employees who need one
•Flexible independent contractor agreement

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