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Ruby Labs

21h•Remote

About The Position

Ruby Labs is a technology company that creates and operates consumer products across the health, education, and entertainment industries. The Email & Lifecycle Marketing Growth Manager will maximize email’s business impact as a growth channel for GetQR by developing audience segmentation, building personalized lifecycle journeys, and leading structured experimentation to improve conversion, activation, and retention. The role works closely with the Email, Growth, Product, and Analytics teams to turn customer insights and behavioral data into measurable results. The position is suited to someone with strong analytical and customer-understanding skills and hands-on experience in lifecycle marketing and experimentation. Ruby Labs operates in the CET time zone and welcomes applicants from any country who are located approximately within four hours either side of CET. The role is remote.

Requirements

At least 3 years of experience in email or lifecycle marketing.
At least 2 years of experience in growth experimentation and A/B testing.
Strong hands-on experience building audience segments and automated lifecycle journeys.
Ability to translate customer research and behavioral data into relevant messaging and effective flows.
Experience developing and prioritizing experiments that improve conversion, activation, and retention.
Strong copywriting instincts across subject lines, calls to action, and lifecycle content.
Strong analytical skills and ability to connect email performance to business outcomes.
Experience with Customer.io, Mixpanel, or similar marketing automation and analytics platforms.
Understanding of event-based automation, personalization, and email deliverability.
Ability to work cross-functionally with Email, Growth, Product, and Analytics teams.
Strong organization, prioritization, and clear communication.
Fluent English.

Responsibilities

Own the email and lifecycle marketing growth roadmap.
Research customer needs, motivations, and behavior to identify meaningful audience segments.
Develop and refine segmentation based on use cases, product behavior, lifecycle stage, and purchase intent.
Build personalized onboarding, activation, conversion, retention, and re-engagement journeys for different audiences.
Adapt messaging, content, offers, and calls to action to each segment’s needs.
Define journey triggers, timing, branching logic, and exit conditions.
Work with Product and Analytics to identify the data and events needed for segmentation and automation.
Prioritize lifecycle opportunities and experiments based on expected business impact.
Write clear hypotheses and run A/B tests across messaging, content, offers, timing, and journey structure.
Analyze email performance and user behavior to identify growth opportunities and friction points.
Partner with the Email Team to implement flows, experiments, and campaign improvements.
Measure experiment impact on conversion, activation, revenue, and retention.
Maintain an experiment backlog, document learnings, and define next steps.
Share concise daily experiment updates in the Growth Slack channel.
Conduct ongoing customer, market, and competitor research to generate new hypotheses.
Monitor deliverability and audience engagement to support sustainable email growth.