Manager, Growth Marketing

THE COMPANY

Extuitive is a Flagship Pioneering–backed startup reimagining product innovation for the AI era. Our mission is to empower entrepreneurs and direct-to-consumer (D2C) brands with AI-driven tools that simplify, accelerate, and scale the launch of new products. Based in Cambridge, MA, we operate like a special ops unit—fast-moving, data-driven, and relentlessly focused on impact.

We’re seeking a creative, execution-focused Manager of Digital Marketing to build and optimize our full-funnel growth engine from the ground up. You’ll own demand generation, paid acquisition, growth experiments, and martech infrastructure. This is an opportunity to shape our digital strategy, influence product–market fit, and drive exponential customer acquisition for AI-powered SaaS tools.

• Digital Marketing Strategy & Execution
  • Develop and oversee multichannel paid campaigns (Meta, Tik Tok, Google Search/Display, You Tube)
  • Establish and manage awareness, acquisition, and onboarding funnels
  • Build and iterate growth loops (referral programs, virality features)
• Demand Generation & Lead Funnel Optimization
  • Design, launch, and test B2C campaigns targeting Shopify merchants and e-commerce brands
  • Optimize cost-per-acquisition (CPA), customer lifetime value (LTV), and conversion rates through data-driven experiments
  • Implement automated lead nurturing workflows using email, chat, and retargeting sequences
• Go-to-Market (GTM) Campaigns
  • Partner with product, content, and sales teams to create and execute launch playbooks for new AI features
  • Define target segments, messaging frameworks, and launch timelines
  • Analyze post-launch performance and iterate rapidly
• Analytics & Martech Infrastructure
  • Set up and maintain analytics stack (GA4, Mixpanel, Hub Spot, GEO or equivalent)
  • Track and report key metrics (CPL, MQL-to-SQL conversion, ROAS, churn)
  • Develop dashboards and playbooks to inform strategic decisions
• Experimentation & Optimization
  • Lead A/B and multivariate tests on landing pages, ad creatives, and email flows
  • Prioritize test roadmap based on impact vs. effort
  • Document learnings and scale winning experiments
• Team Leadership & Collaboration
  • Grow and mentor a team of performance marketers and lifecycle specialists
  • Align cross-functional teams (product, design, engineering, sales) on marketing initiatives
  • Present regular updates to executive leadership

• 6+ years of marketing experience focused on digital channels and go-to-market strategies for software/SaaS and consumer brands
• Proven track record developing and executing multi-channel digital campaigns (SEO, SEM, social media, email, content marketing, web analytics) that drive engagement and ROI
• Expert in paid acquisition & demand generation on e-commerce platforms (e.g., Shopify), including search ads, social ads (Meta, Linked In), programmatic DSPs, and retargeting workflows
• Experience with GEO (generative engine optimization)
• Proficient with marketing automation & CRM tools (e.g., Hub Spot, Marketo, Salesforce Pardot) to architect scalable, personalized customer journeys
• Strong analytical abilities in Excel and BI platforms (Looker, Tableau) to conduct CAC/LTV calculations, cohort analyses, and funnel optimization
• Skilled at structuring digital channel partnerships, from platform integrations to affiliate and influencer programs, to expand reach and acquisition
• Hands-on with go-to-market & product-led growth campaigns, aligning marketing and product for successful launches
• Startup & early-stage SaaS background preferred, thriving in fast-paced, ambiguous environments
• Exceptional communicator & leader, with proven presentation, project-management, and cross-functional team coordination skills
• Advanced PowerPoint proficiency for crafting compelling performance reports and executive decks
• Creative thinker passionate about innovation, consumer-trend spotting, and applying generative AI to marketing initiatives

Flagship Pioneering invents and builds platform companies, each with the potential for multiple products that transform human health, sustainability and beyond. Since its launch in 2000, Flagship has…