ruby-labs - Senior Growth Product Manager
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Requirements
• 5+ years of combined experience in product management and growth, with at least 3+ years in growth/product optimization roles. • Proven track record of optimizing web funnels in B2C (B2B is a plus), directly impacting CR, LTV, and CPA. • At least 1 year of experience in a high-velocity growth environment, where experiments are launched daily or weekly. • Strong hands-on experience running A/B tests end-to-end (hypothesis → setup → analysis → decision). • Deep proficiency with product analytics tools, especially Mixpanel (funnels, cohorts, event-based analysis). • Experience with experimentation and feature flagging tools like GrowthBook. • Ability to write clear, developer-ready PRDs and experiment specs with precise acceptance criteria. • Strong understanding of event tracking, data integrity, and experiment measurement frameworks. • Experience working closely with engineers, with solid understanding of dev → staging → production workflows. • High execution speed with ability to manage multiple concurrent experiments and hit strict KPI targets. • 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.
Responsibilities
• Launch and iterate on product experiments daily and weekly across the funnel. • Own and manage the experimentation backlog (prioritization, planning, execution). • Write clear PRDs and experiment briefs for fast developer execution. • Generate experiment ideas using UX research, funnel analysis, and data insights (via Mixpanel and Claude). • Own the full experiment lifecycle (idea → build → release → measure → decision). • Work directly with developers, providing continuous feedback to ensure fast delivery and accuracy. • Manage release flow across dev, staging, and production environments. • Ensure accurate tracking, analytics, and A/B test setup (via GrowthBook and Mixpanel). • Monitor performance and deliver daily/weekly insights and iteration decisions. • Control the end-to-end experimentation pipeline, ensuring speed, quality, and KPI alignment.
Benefits
• Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the 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, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. 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!
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