Lifecycle Marketing Manager — Full-Funnel Growth Architect

LettrLabs; Culver City (CA); On-site; USD 130,000 - 150,000; Full time

Job summary

LettrLabs is seeking a Lifecycle Marketing Manager to own the full customer journey from pre-purchase nurture through activation, retention, and expansion. You will build programs that convert leads who haven’t purchased yet, onboard new customers to first value fast, and drive expansion revenue with minimal sales intervention.

You’ll collaborate with the broader GTM team, have access to the LettrLabs platform, and own lifecycle reporting and attribution to optimize activation, conversion, and

Qualifications

• 4–8 years of lifecycle roles in a B2B SaaS environment with ownership of pre-purchase nurture and post-sale programs
• Experience at a company with both self-service and enterprise product tiers and distinct journeys for different buyer paths
• Hands-on experience building automated programs in HubSpot or Customer.io (or similar)
• Demonstrated ability to connect lifecycle programs to revenue outcomes (conversion, retention, NRR, expansion ARR)
• Strong segmentation instincts using behavioral data, firmographics, and lifecycle stage

Responsibilities

• Own the full customer lifecycle from pre-purchase nurture through activation, retention, and expansion.
• Build the conversion framework linking signups to paying customers and model buyer journeys.
• Design onboarding programs to reach first value quickly and reduce time-to-activation.
• Develop retention and expansion programs to move customers to higher-value plans.
• Create audience segmentation frameworks for personalized messaging at scale.
• Collaborate with Customer Success to identify at-risk accounts and intervene before churn.
• Own lifecycle reporting and attribution to influence activation, conversion, and NRR.
• Manage marketing automation stack (HubSpot, data, segmentation tools, and LettrLabs platform).

Skills

Lifecycle marketing

B2B SaaS

Data-driven

HubSpot

Customer.io

Marketing automation

Copywriting

Independent work

Startup experience

Tools

HubSpot

Customer.io

Job description

LettrLabs is seeking a Lifecycle Marketing Manager to own the full customer journey from pre-purchase nurture through activation, retention, and expansion. You will build programs that convert leads who haven’t purchased yet, onboard new customers to first value fast, and drive expansion revenue with minimal sales intervention.

You’ll collaborate with the broader GTM team, have access to the LettrLabs platform, and own lifecycle reporting and attribution to optimize activation, conversion, and