Senior Lifecycle Architect – Product-Led Growth & AI

MMC; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

Synthesia is a leading AI video platform in London, driving lifecycle strategy to turn first signup into activated, paying customers and expanding usage. You’ll own product-led growth journeys, design automations, and partner with Product, Product Marketing and Data teams to scale a lifecycle engine that grows with the company.

You’ll build customer journeys, manage end-to-end lifecycle programmes, run experiments, and apply data-driven personalisation.

Qualifications

• 6+ years of lifecycle, CRM or email marketing experience, ideally in B2B SaaS or product-led companies.
• Strong hands-on experience with HubSpot, including complex workflows, list building, segmentation and campaign execution.
• Proven experience building and optimising always-on automated programmes, onboarding, nurture and re-engagement.
• Experience owning lifecycle initiatives end to end, from briefing to implementation, QA and optimisation.
• Strong analytical skills using product, CRM and engagement data to evaluate performance and run experiments.
• Practical experience using AI to improve lifecycle execution, personalisation and efficiency.

Responsibilities

• Design, build and optimise lifecycle journeys that support customers from activation to expansion and retention.
• Own end-to-end lifecycle programme implementation, including audience segmentation and triggers.
• Develop and execute experiments to improve lifecycle performance and turn learnings into improvements.
• Leverage product usage and engagement signals to deliver relevant lifecycle experiences.
• Own QA, testing, deliverability and best practices for segmentation and frequency management.
• Explore AI to enhance personalisation, content creation and workflow automation.

Skills

Customer journeys

Lifecycle automation

Experimentation

Data-driven personalization

Lifecycle quality

AI-powered lifecycle

Tools

HubSpot

Salesforce

Job description

Synthesia is a leading AI video platform in London, driving lifecycle strategy to turn first signup into activated, paying customers and expanding usage. You’ll own product-led growth journeys, design automations, and partner with Product, Product Marketing and Data teams to scale a lifecycle engine that grows with the company.

You’ll build customer journeys, manage end-to-end lifecycle programmes, run experiments, and apply data-driven personalisation.