Senior Manager, Growth Marketing, Web + Mobile

Begin is a market-leading early childhood platform that delivers personalized, play-based learning to children ages 2–10. As Senior Manager of Growth Marketing, you will own and scale the full-funnel acquisition and growth strategy across web and mobile ecosystems, leading performance marketing efforts to drive efficient subscriber growth for product lines.

Responsibilities:

• Own the overarching acquisition and growth strategy across web and mobile platforms
• Develop scalable growth frameworks that optimize for long-term subscriber value, not just short-term volume
• Lead budget allocation and investment strategy across channels, balancing efficiency, incrementality, diversification, and scale
• Identify and unlock new growth opportunities across emerging platforms, partnerships such as affiliates, creators, and other media channels
• Partner closely with executive leadership on growth planning, forecasting, and strategic business decisions
• Influence company-wide prioritization through data-driven insights on customer acquisition, retention, and monetization
• Leverage AI-powered tools and automation to improve growth marketing workflows — increasing decision velocity, operational efficiency, and scalability across the acquisition funnel
• Own and scale all paid acquisition channels, including:
• Meta
• Google (Search, YouTube, Display, App Campaigns)
• Apple Search Ads
• TikTok
• Pinterest
• Programmatic Display Networks
• Affiliate and partnership channels
• Emerging acquisition platforms
• Lead top of funnel optimization from impression → click → install → trial → subscription and partner with Product team on ensuring new subscribers are high value with a strong CLTV:CAC
• Design and operationalize sophisticated experimentation frameworks across:
• Creative strategy
• Audience segmentation
• Incrementality testing
• Bidding and media optimization
• Web Landing pages
• App Store optimization
• Trial structures (collaborating with Product team)
• Onboarding and activation flows (collaborating with Product team)
• Collaborate with Product Managers to improve conversion rate optimization initiatives across both web and mobile user journey
• Establish scalable testing infrastructure and best practices across growth channels
• Own acquisition forecasting, KPI modeling, media pacing, and growth reporting
• Define and evolve the company’s measurement framework across web and app ecosystems
• Partner closely with Data and Engineering teams to improve:
• Attribution accuracy
• Event instrumentation
• MMM and incrementality capabilities
• LTV forecasting
• Cohort analysis
• Build scalable decision-making frameworks grounded in CAC efficiency, payback periods, retention curves, and contribution margin
• Maintain deep expertise in:
• AppsFlyer / MMPs
• GA4
• Looker and BI platforms
• ATT / SKAdNetwork ecosystem changes
• Attribution modeling and privacy-first measurement
• Translate complex performance data into clear executive-level narratives and strategic recommendations
• Develop high-performing, insight-driven campaigns across formats and channels, using AI as a force multiplier for creative iteration, audience targeting, and growth optimization
• Guide creative strategy using performance insights, audience behavior, and platform-native best practices
• Ensure performance marketing strengthens long-term brand trust and customer affinity
• Serve as a key growth partner across Product, CRM, Lifecycle, Data Science, Engineering, Finance, and Creative
• Influence product roadmap decisions through growth channel insights and customer behavior analysis
• Collaborate with CRM teams to improve lead to sign up acquisition
• Build strong external relationships with potential agencies, platform partners, and vendors
• Establish operational rigor, scalable processes, and clear performance accountability across growth initiatives
• Mentor and develop high-performing growth talent as the team scales
• Help define the future structure, capabilities, and operating model of Begin’s Growth organization
• Foster a culture of experimentation, ownership, analytical rigor, and continuous learning

Requirements:

• 7–10+ years of experience in growth marketing, performance marketing, or user acquisition across web and mobile
• Significant experience in consumer subscription businesses, ideally trial-driven models
• Proven track record scaling acquisition programs across Meta, Google, TikTok, Apple Search Ads, and additional growth channels
• Strong expertise in: Subscription economics, LTV modeling, Funnel optimization, Attribution and incrementality, Growth experimentation
• Experience managing multimillion-dollar media budgets with accountability to CAC, ROAS, payback, and contribution margin targets
• Deep analytical fluency across GA4, Looker, AppsFlyer, Excel/Sheets, and related growth tooling
• Experience partnering cross-functionally with Product, Data Science, Engineering, and Creative teams
• Prior people management experience strongly preferred