Growth Manager - Conversion Rate Optimization | Ruby Labs

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 One of the RubyLabs’ portfolio companies is looking for a highly experienced and specialized Growth Manager (Conversion Rate Optimization) to join our team.

You’ll be involved in every stage of the CRO process - from research and hypothesis development to testing, analysis, and rollout - while focusing primarily on execution quality, organization, and learning.

This is not a role for passive recommendations.

You will actively contribute to experiments, ensure they are implemented correctly, and help turn insights into measurable improvements.

Assist with funnel analysis to identify friction points and optimization opportunities across multiple reverse lookup funnels.

Translate hypotheses into clear experiment requirements and briefs for engineers.

Work closely with engineering teams to ensure experiments are implemented accurately and meet quality standards.

Track experiment status, results, and learnings across multiple funnels.

Analyze test outcomes using basic statistical understanding to identify winners, losers, and follow-up opportunities.

Maintain and regularly update the experimentation backlog , ensuring priorities, statuses, and documentation are always current.

Document learnings and contribute to building a structured experimentation knowledge base.

Communicate clearly with internal stakeholders on experiment progress, outcomes, and next steps.

Qualifications CRO Foundation: 2+ years of hands-on experience running CRO experiments, ideally on high-traffic consumer or subscription funnels.

Strong understanding of the CRO lifecycle and how experiments are designed, executed, and evaluated.

Ability to independently review experiment results and funnel metrics using tools such as Mixpanel, GrowthBook or Tableau.

Detail-oriented and reliable when managing experiments from idea to production.

Comfortable working with engineers and product teams to ensure high-quality implementation.

Strong ability to manage multiple experiments, timelines, and priorities without things falling through the cracks.

Curious, eager to learn, and motivated to expand CRO and experimentation skills over time.

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.

This ensures optimal collaboration and communication during working hours.

Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.

Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.

Celebrate and relax on national holidays with paid time off to unwind and recharge.

Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.

Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.

Read more about it here: https://docs.google.com/document/d/1nkrN76JlZkbKj9WSOhlT1_mni_CZeDkHdwfIjPXVwvk/preview?tab=t.0#heading=h.ndsdl4wapxtt Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received.

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. #LI-Remote