
Email Marketing Growth Manager
Ruby Labs, Poland, NY, United States
About Us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer‑led products, and we’re always looking for passionate individuals to join us. Learn more about our story at https://rubylabs.com/about-us/
About the Role We are looking for an Email Marketing Growth Manager to help grow our reverse lookup products through structured experimentation in email marketing. This role is focused on one core objective: maximizing the business impact of email as a growth channel .
You will design, prioritize, and analyze A/B tests across the email funnel— from pre‑purchase conversion to post‑purchase activation and retention—and work closely with the Email Team and Growth Team to turn insights into experiments that improve performance. If you have a strong CRO foundation and want to apply experimentation to email growth, retention, and lifecycle optimization , we’d love to hear from you.
Key Responsibilities Own the experimentation roadmap for email marketing growth
Run A/B tests across: subject lines
preview text
email body copy
calls to action
content structure
offer presentation
lifecycle messaging
Develop and prioritize experiments across two key areas: Pre‑purchase experiments focused on maximizing conversion volume from email
Post‑purchase experiments focused on improving user activation, retention, and re‑engagement
Analyze email performance and user behavior to identify growth opportunities and friction points
Write clear testing hypotheses and propose strong copy variations for experiments
Partner with the Email Team on the implementation of tests and campaign changes
Measure experiment results, identify winners and losers, and define next steps
Do the daily reporting of the email experiment in the growth Slack channel
Control the monetary impact of every experiment on the company top line
Maintain a clear backlog of email growth experiments and document learnings
Perform ongoing market and competitor research to generate new hypotheses and experiment ideas
Work with data and product stakeholders to ensure experiments are tied to measurable business outcomes
Qualifications At least 3 years of experience in email marketing
At least 2 years of experience in growth and A/B test execution
Strong hands‑on experience with experimentation in email or lifecycle marketing
Ability to generate testing ideas that improve conversion, activation, and retention
Strong copy instincts for writing and refining: subject lines
CTAs
email messaging
lifecycle content
Strong analytical skills and comfort working with performance data
Experience with tools such as Mixpanel, Customer.io or similar platforms
Ability to work cross‑functionally with email, growth, product, and analytics teams
Strong organization and clear communication
Fluent English
Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET to ensure optimal collaboration and communication during working hours.
Benefits Discover the perks of being part of our vibrant team! We offer:
Remote Work Environment: 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: top‑notch Apple MacBooks for all employees who need them.
Be part of our fast‑growing team and seize this excellent opportunity for personal and professional growth. Interview Process Recruiter Screening (40 minutes)
Technical Interview (45 minutes)
Final Interview (30 minutes)
Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals 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. We recognize those who go all‑in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.
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