Senior Paid Marketing Manager in London

About Cleo
At Cleo, we're not just building another fintech app. We're embarking on a mission to fundamentally change humanity's relationship with money. Imagine a world where everyone, regardless of background or income, has access to a hyper‐intelligent financial advisor in their pocket. That's the future we're creating.

About The Company
Cleo is a rare success story: a profitable, fast‐growing unicorn with over $ million in ARR and growing over 2x year‐over‐year. This isn't just a job; it's a chance to join a team of brilliant, driven individuals who are passionate about making a real difference. We have an exceptionally high bar for talent, seeking individuals who are not only at the top of their field but also embody our culture of collaboration and positive impact. If you're driven by complex challenges that push your expertise, the chance to shape something truly transformative, and the potential to share in Cleo's success as we scale, while growing alongside a company that's scaling fast, this might be your perfect fit.

About The Role
We're looking for a Senior Marketing Manager to lead our paid social growth channel on Meta (Facebook) and associated platforms (Instagram, Reels, Audience Network). This is a hands‐on growth marketing role: you'll own the paid social strategy, execute campaigns, run rigorous tests, measure incrementality, and manage multi‐million‐dollar budgets. You'll partner closely with creative, analytics, product, and growth teams to ensure Cleo is making the most of paid social to acquire, activate, and retain users at scale.

Key Responsibilities

• Own the full funnel paid social channel on Meta: from building campaigns, setting budgets, choosing creatives, to analysing performance and making optimisations.
• Manage an eight‐figure annual budget across Meta platforms, allocating spend, optimising bids/placements and ensuring efficiency and scale.
• Develop and rigorous incrementality testing frameworks to understand the true impact of paid social, designing hold‐out tests, lift studies, and ensuring measurement integrity.
• Lead creative testing and optimisation: briefing creative, collaborating with design teams, testing different formats (Stories, Reels, Carousel, UGC) and surfacing what works.
• Drive experimentation across event‐tracking, optimisation strategy, custom audiences/lookalikes, and emerging Meta features to push performance ahead of curve.
• Monitor and analyse campaign performance in depth, not just surface metrics (e.g. CPA/ROAS) but trends, cohort behaviour, LTV impact, retention and incremental value. Use these insights to iterate and scale.
• Partner cross‐functionally with Growth, Analytics, Product, and Marketing teams to align on target audiences, attribution frameworks, measurement, and creative strategy.
• Establish a regular review rhythm: dashboards, weekly/monthly deep dives, sprint‐style experiment planning and performance reviews. Communicate insights and strategy to senior stakeholders.
• Ensure we're continuously improving our paid social operating model, best practices, process improvements, tooling, and knowledge sharing across the team.

What We're Looking For

• 4+ years minimum hands‐on experience in paid social/paid acquisition, with significant exposure on Meta/Facebook/Instagram.
• Proven experience managing large‐scale paid social budgets and delivering measurable impact at scale.
• Strong experience in designing and interpreting incrementality or lift studies (e.g. hold‐out testing, incrementality measurement), you know how to prove value of paid social beyond standard attribution.
• Deep expertise in Meta's ad ecosystem: Ads Manager, Advantage+, SKAN/AEM, custom audiences/lookalikes, placement optimisation, creative formats (Reels, Stories, etc). You stay up to date with Meta's evolving features and can quickly adopt new tactics.
• Analytical mindset: comfortable with querying data sets, funnel breakdown and ideally SQL or a BI tool.
• Creative mindset + test‐and‐learn ethos: you brief creative, drive A/B and multivariate tests, iterate quickly and scale what works.
• Strong collaboration & stakeholder skills: you'll work across Growth, Product, Analytics and Marketing and present to senior leadership, so you must communicate complex analysis into clear, strategic insights.
• Comfortable operating in a fastmoving environment, prioritising experiments, optimising rapidly and managing ambiguity.
• (Optional but highly desirable) Experience in fintech, subscription or consumer app environments where paid social is a key acquisition lever.
• You are excited about Cleo's mission to help people improve their financial lives, you're motivated by impact and scale.

What do you get for all your hard work?

• A competitive compensation package (base + equity) with bi‐annual reviews, aligned to our quarterly OKR planning cycles.
• Work at one of the fastest‐growing tech startups, backed by top VC firms, Balderton & EQT Ventures.
• A clear progression plan. We want you to keep growing. That means trying new things, leading others, challenging the quo and owning your impact. Always with our complete support.
• Flexibility. We can't fight for the world's financial health if we're not healthy ourselves. We work with everyone to make sure they have the balance they need to do their best work.
• Work where you work best. We're a globally distributed team. If you live in London we have a hybrid approach, we'd love you to spend one day a week or more in our beautiful office. If you're outside of London, we'll encourage you to spend a couple of days with us a few times per year. And we'll cover your travel costs, naturally.

Other Benefits

• Company‐wide performance reviews every 6 months.
• Generous pay increases for high‐performing team members.
• Equity top‐ups team members getting promoted.
• 25 days annual leave a year + public holidays (+ an additional day for every year you spend at Cleo, up to 30 days).
• 6% employer‐matched pension in the UK.
• Private medical insurance via Vitality, dental cover, and life assurance.
• Enhanced parental leave.
• 1 month paid sabbatical after 4 years at Cleo.
• Regular socials and activities, online and in‐person.
• We'll pay for your OpenAI subscription.
• Online mental health support via Spill.
• Workplace nursery scheme.
• And many more!

Welcoming Everyone
We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio‐economic backgrounds. If there's anything we can do to accommodate your specific situation, please let us know.