Cleo is seeking a Senior Data Scientist for their Marketing Analytics team to build measurement and attribution frameworks for organic and brand-led acquisition.
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- Hybrid, Spain
- Contract
- Full-time
- English
- Required
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Skills
The role
Most money apps talk at you. Cleo talks back ✨
We're not building another finance app. We're building the world's first AI financial assistant, one that actually understands your money and makes you better at it, and we're changing the world's relationship with money in the process 💰 For everyone, whatever their background or balance.
The proof: profitable, fast-growing, a unicorn with over $300M in ARR, and millions of people who now feel differently about their money.
We love original thinkers who challenge the status quo. We move fast, tell the truth, and there's nowhere to hide from good work here. If that excites you more than it scares you, you'll fit right in.
Follow us on LinkedIn for new features and the occasional roast 🔥
Meet the team 👥
Here at Cleo, we have ~45 ML engineers ✨ They are the builders behind the AI that powers our product. They design experiments, create models that personalise financial insights, deploy fraud detection systems and scale our conversational AI, making sure that what we build genuinely helps people feel better about their money. From shaping product features and building the models that personalise our users' money journeys, to tackling fraud, scaling our systems and giving leaders the insights they need, our data team is at the heart of it all.
About the role ✍️
We're hiring an Tech Lead ML Manager to join the existing data science function at Cleo. You'll be working on models that support our understanding of a user's financial life, building our foundational capabilities upon which all our product innovation depends, from the chat based Financial Assistant to our credit products. You'll take on technical leadership and ownership of a workstream within the Financial Understanding pillar. We work at the intersection of LLMs and classical machine learning, trying to bring the advanced capabilities that are now possible at the speed and scale necessary for the size of Cleo's userbase.
Leading and managing a team of circa. 4 MLE's
Deploying machine learning models into production
Collaborating with product managers, backend engineers and analysts to play an active role in the planning and sequencing of work for the squad.
Helping define the roadmap for the squad/workstream
What we're looking for 🕵
At least 5 years of experience in data science, ML engineering or related roles
At least 1 year of management experience, ideally of a small team.
Ability to write production quality python code.
Experience deploying machine learning models into production
Experience with both LLMs and classical machine learning
Comfortable with complexity & developing a holistic understanding of a system in order to propose & build solutions
What we offer
We offer benefits package built to support you in and out of work. Benefits vary by country 🌍 and include meaningful equity, comprehensive health, dental and vision insurance, mental health support, a paid one-month sabbatical after four years, a learning and development platform, pension or retirement contributions, and location-specific leave entitlements.
For the full breakdown on what's available in your location, visit our Candidate Hub 👈
What Matters
Cleo's mission is to change the world's relationship with money. We can't do that without building a brilliant, genuinely diverse team - and making sure our hiring process gives everyone a fair shot, running a fair and transparent recruitment process in which every candidate is considered on their metris.
We're glad to make reasonable adjustments at any stage of the process. If there's anything we can do to support you in showing us your best, please let your recruiter or one of the team know.
We may use AI-assisted tools during the recruitment process to take support the team in different ways like taking notes or referring back to conversations. They do not replace the team and all applications are reviewed by a Cleo employee thoroughly!
About Cleo
Cleo is a London-based fintech company that offers an AI-powered personal finance assistant. Through its app, Cleo helps users manage their money, track spending, and build better financial habits using a conversational interface. The company has grown significantly since its founding, serving millions of users primarily in the UK and US, and is recognized as a notable player in the digital financial wellness space.
Cleo has a strong presence in London, where its global headquarters is located, and it also has a growing team in Spain, particularly in Barcelona, to support its engineering and product development efforts. The company is known for its inclusive and remote-friendly culture, making it an attractive option for international professionals looking to work in a dynamic fintech environment. With a focus on innovation and user experience, Cleo offers opportunities for engineers, data scientists, and product managers to make a real impact on how people interact with their finances.
- Industry
- Fintech
- Founded
- 2016
- Employees
- 100–500
- Headquarters
- London, UK
- In Spain
- Barcelona
- Website
- meetcleo.com
Good to know if you are moving
- Cleo has a remote-friendly culture, with a distributed team across Europe, making it easier for international hires to work from Spain.
- The company offers a competitive benefits package, including equity, health insurance, and a learning budget.
- Cleo's engineering and product teams are based in London and Barcelona, providing opportunities for international professionals to work in a multicultural environment.
- The company is known for its strong focus on employee well-being and work-life balance.
