Monzo Bank Limited logo

Senior Data Scientist

Job Overview

Location

Cardiff, London or Remote (UK)

Job Type

Full-time

Category

Data Scientist

Date Posted

February 24, 2026

Full Job Description

đź“‹ Description

  • • We are seeking a highly skilled and motivated Senior Data Scientist to join our dynamic team at Monzo Bank. This is an exceptional opportunity to play a pivotal role in shaping the future of banking by enhancing user engagement and contributing to a product that customers genuinely love. At Monzo, our mission is to make money work for everyone, moving away from the complexities of traditional banking towards a fair, transparent, and delightful user experience. With over 11 million customers in the UK and a significant portion of our growth driven by word-of-mouth, we are building a bank that resonates deeply with its users.
  • • As a Senior Data Scientist, you will be instrumental in enabling Monzo to make better decisions, faster. We foster a strong culture of data-driven decision-making across the entire organization, emphasizing powerful, real-time analytics and empowering the wider business. Our centralized data infrastructure ensures ease of access, with 90% of day-to-day data-driven decisions supported by self-serve analytics via Looker. This allows data scientists to dedicate their expertise to more complex and impactful business questions and analyses.
  • • You will be embedded within cross-functional product squads, working alongside engineers, designers, marketers, and product managers. While belonging to a central data discipline, your primary focus will be on contributing to a specific product area. Your day-to-day responsibilities will involve applying your expertise in quantitative analysis, data mining, and data presentation to uncover deep insights into user behavior and product interaction. You will translate these insights into actionable strategies that inform and shape our product roadmap.
  • • A key aspect of your role will be to guide and empower product teams in measuring what truly matters. You will initiate and support the running of A/B experiments, continuously driving improvements across all facets of our offerings. Collaborating closely with the finance team, you will contribute to a unified, company-wide understanding of customer lifetime value and the impact of various product features on user profitability. Furthermore, you will liaise with engineers to ensure the continuous collection of relevant data, enabling the production of high-quality business insights.
  • • We are looking for individuals who are excited by Monzo's mission and possess a strong desire to make a tangible, positive impact on the company, its products, users, and colleagues. A commercially minded approach is essential, allowing you to contextualize data within broader business objectives. You should be comfortable with both hands-on analytical work and strategic thinking, capable of stepping back to see the bigger picture.
  • • A self-starter mindset is crucial; you will proactively identify issues and opportunities and take ownership of addressing them without explicit direction. We value strong collaboration and expect you to be a reliable team player whose colleagues can depend on. Your technical toolkit should include solid proficiency in SQL and a preference for Python. Experience in conducting large-scale A/B experiments is also highly desirable.
  • • Monzo is expanding rapidly, and we are hiring for multiple roles across our Data Science teams, covering areas such as Borrowing, Growth, Payments, Fincrime, Wealth, and Core. While specific team allocation occurs post-interview, we aim to match your skills and aspirations to the most suitable role. You will have the opportunity to engage with team members from across our Data Science collectives throughout the interview process, gaining insights into the available opportunities and helping us shape our future together.
  • • The interview process is designed to be thorough yet efficient, typically involving a Recruiter Call, an Initial Call, a Technical Interview, and a Final Interview that includes a case study and a collaboration exercise. We aim for an average process duration of 2-3 weeks, always working around your availability. We encourage open communication and provide contact details for specific questions or to discuss reasonable adjustments.
  • • This role offers the chance to work on challenging problems that directly impact millions of users, contributing to the growth and success of a leading digital bank. You will be part of a supportive and innovative environment where your contributions are valued and recognized.

Skills & Technologies

Python
Data Science
Senior
Remote

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Monzo Bank Limited logo
Monzo Bank Limited
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About Monzo Bank Limited

Monzo Bank Limited is a UK-regulated digital bank offering personal, joint, and business accounts, savings, loans, overdrafts, and mortgages via a mobile-first platform. Licensed by the PRA and FCA, it provides real-time spending notifications, budgeting tools, and fee-free foreign transactions. Founded in 2015 as Mondo, it rebranded in 2016 and serves over nine million customers.

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