Senior Growth Marketing Manager

Squarespace is looking for an experienced and strategic Senior Growth Marketing Manager to lead our customer acquisition, retention, and revenue growth initiatives across digital and lifecycle channels. This role will be responsible for building and scaling data-driven marketing strategies that accelerate growth, optimize funnel performance, and maximize customer lifetime value. They will own web, lifecycle marketing and funnel conversion. The ideal candidate combines strategic vision, analytical rigor, and team leadership, with a proven track record of driving measurable business results in high-growth environments. This role will partner cross-functionally with Product, Media, Affiliate, CRM, and Content teams to deliver integrated growth programs aligned with company goals. You’ll Get To… Partner closely with the Growth Product leader to jointly define and drive unified company wide growth strategy, aligning product led and marketing led initiatives across the full customer lifecycle. Develop and execute the company’s comprehensive growth marketing strategy across acquisition, activation, retention, and re-engagement. Analyze customer behavior across the entire lifecycle, including acquisition, activation, engagement, retention, reactivation, and churn prevention Own growth KPIs including customer acquisition cost (CAC), conversion rates, customer lifetime value (LTV), retention, and revenue contribution. Identify and prioritize new growth opportunities through testing, experimentation, and channel expansion. Lead annual and quarterly growth planning, forecasting, and budget allocation. Build lifecycle marketing strategies that improve onboarding, engagement, retention, and customer advocacy. Partner with CRM, PMM, and product teams to develop personalized customer journeys across email, SMS, in-app, and push channels. Improve customer lifetime value through segmentation, automation, and upsell/cross-sell initiatives. Ensure the website is a highly optimized revenue driver but also an incredible experience as the front door to our brand. Optimize multi-channel campaigns to improve lead generation, customer acquisition, and ROI. Establish a culture of experimentation through A/B testing and performance optimization. Analyze funnel performance, attribution, and cohort behavior to identify growth opportunities. Who We’re Looking For 10+ years of progressive experience in growth product, growth marketing, growth analytics, demand generation, lifecycle marketing, CRO, or performance marketing. Proven success scaling customer acquisition and retention programs in fast-paced, high-growth environments. Previous experience analyzing CRM, performance marketing, churn, and product and feature adoption for growth opportunities Deep expertise in paid media, lifecycle marketing, funnel optimization, and attribution. Strong analytical skills with experience using tools such as Amplitude, BI tools, Iterable, Contentful, Statsig, or similar platforms. Experience managing growth tool stack and delivering measurable ROI. Excellent leadership, communication, and stakeholder management skills. Benefits & Perks A choice between medical plans with an option for 100% covered premiums Fertility and adoption benefits Access to supplemental insurance plans for additional coverage Headspace mindfulness app subscription Global Employee Assistance Program Retirement benefits with employer match Flexible paid time off 12 weeks paid parental leave and family care leave Pretax commuter benefit Education reimbursement Employee donation match to community organizations 7 Global Employee Resource Groups (ERGs) Dog-friendly workplace Free lunch and snacks Private rooftop Hack week twice per year Cash Compensation Range: $148,500 - $239,200 USD The base salary for this position will vary based on job-related criteria including relevant skills, experience, and loc