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Synthesia

Senior Lifecycle Manager

Posted on 6 November 2026New

About the role

💼 What you will do

• Join Synthesia as Senior Lifecycle Manager, working fully remotely from the UK. • Own the product-led growth motion after signup, turning new users into activated, paying and expanding customers. • Build one of the most exciting lifecycle programmes in Europe, sending 150+ emails a month to over 1 million contacts. • Create automations triggered by user behaviour in the product and set the standard for how every customer-facing email works together. • Partner with Product, Product Marketing and Data teams to build a lifecycle engine that grows with the company. • Help shape lifecycle marketing as Synthesia launches new products and enters new markets.

📋 Job Requirements

• Bring a strong understanding of how lifecycle marketing drives activation, adoption, retention and revenue, backed by measurable results from programmes you have owned. • Show 6+ years of experience in lifecycle, CRM or email marketing, ideally in B2B SaaS or product-led companies. • Use HubSpot confidently, including complex workflows, list building, segmentation and campaign execution. • Build and optimise always-on automated programmes such as onboarding, nurture and re-engagement alongside one-off campaigns. • Use product, CRM and engagement data to build audiences, evaluate performance and run structured experiments. • Manage complex cross-functional projects and influence stakeholders without direct authority. • Take ownership of lifecycle initiatives end to end, from briefing and journey design to QA, reporting and optimisation.

🌟 Nice-to-have

• Know email deliverability well, including SPF, DKIM and DMARC, and privacy regulations such as GDPR and CCPA/CPRA. • Apply AI in practice to improve lifecycle execution, operational efficiency or personalisation. • Use customer data platforms or Salesforce to connect CRM and account data to lifecycle programmes. • Run in-product messaging and multichannel lifecycle journeys. • Write SQL for self-serve behavioural analysis and insights.

🎯 Responsibilities

• Design, build and optimise lifecycle journeys covering activation, adoption, engagement, expansion, retention and winback. • Own the end-to-end implementation of lifecycle programmes, from segmentation and behavioural triggers to workflow logic, suppression rules, QA and performance monitoring. • Run structured experiments on messaging, timing, segmentation and journey design, and turn the results into improvements. • Use product usage, customer attributes and engagement signals to deliver more relevant lifecycle experiences. • Own campaign QA and testing, support email deliverability and sender reputation, and establish best practice for segmentation and frequency management. • Explore and apply AI to content creation, dynamic personalisation and workflow automation. • Work with Product, Product Marketing and Data teams to build a connected customer email experience.

About Synthesia

😃 What Synthesia offers

• Earn £70,000–£90,000, with openness to going higher for exceptional experience. • Receive equity as part of a competitive package. • Work fully remotely from the UK. • Access a competitive benefits package. • Join a company that raised a $200 million Series E at a $4 billion valuation.

💖 What makes Synthesia unique

Synthesia is the world's leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017 and headquartered in London, it has offices and teams across Europe and the US. Following a $200 million Series E at a $4 billion valuation, it has raised over $530 million from investors including Accel, NVentures, Kleiner Perkins and GV.

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