Senior Lifecycle Manager (AI)

Location: London or UK Remote; hybrid workplace

Salary: £70,000–£90,000 GBP per year, with the possibility of a higher offer for exceptional experience

Company

Synthesia develops an AI video platform for business and enterprise skill development, serving over 90% of Fortune 100 companies.

What you will do

• Design, build and optimise lifecycle journeys covering activation, adoption, engagement, expansion, retention and winback.
• Implement lifecycle programmes end to end, including audience segmentation, behavioural triggers, workflow logic, suppression rules, QA and performance monitoring.
• Develop structured experiments across messaging, timing, segmentation and journey design; analyse results and apply improvements.
• Use product usage, customer attributes and engagement signals to create personalised lifecycle experiences.
• Own campaign QA, email deliverability, sender reputation, frequency management and related best practices.
• Apply AI to content creation, dynamic personalisation and workflow automation.

Requirements

• Demonstrated measurable impact from lifecycle marketing programmes supporting activation, adoption, retention and revenue.
• Analytical and curious approach, using data to evaluate performance, challenge assumptions and improve programmes.
• Ability to design connected customer journeys and identify friction across the customer experience.
• Technical proficiency in sophisticated automation, complex segmentation, and customer and product data management.
• Ability to lead initiatives independently from concept through execution, solve problems and make informed decisions.
• Ability to collaborate across functions, build relationships and influence stakeholders without direct authority.
• High standards for deliverability, data accuracy, messaging and customer experience.
• Interest in applying AI to personalisation, experimentation and lifecycle marketing operations.

Nice to have

• 6+ years of experience in lifecycle, CRM or email marketing, ideally in B2B SaaS or product-led companies.
• Hands-on HubSpot experience, including complex workflows, list building, segmentation and campaign execution.
• Experience building and optimising always-on onboarding, nurture and re-engagement programmes alongside one-off campaigns.
• End-to-end ownership of lifecycle initiatives, including briefing, journey design, implementation, QA, reporting and optimisation.
• Experience using product, CRM and engagement data to build audiences, evaluate performance and run structured experiments.
• Practical experience using AI for lifecycle execution, operational efficiency or customer personalisation.
• Working knowledge of email deliverability, including SPF, DKIM and DMARC, and privacy regulations such as GDPR and CCPA/CPRA.
• Experience managing complex cross-functional projects and influencing stakeholders across teams.
• Customer data platform experience; Salesforce experience connecting CRM and account data to lifecycle programmes; in-product messaging and multichannel lifecycle experience; or SQL skills for behavioural analysis.

Culture & Benefits

• Full-time role within the Marketing department.
• Hybrid work arrangement with London or UK Remote options.
• Compensation includes salary, equity and benefits.
• Opportunity to build a large-scale lifecycle programme serving more than 1 million contacts through 150+ monthly emails.