Senior Data Scientist
Cardiff, London or Remote (UK)
- Pay
- Pay not listed
- Work setting
Remote — work setting source
Listed location: Cardiff, London or Remote (UK)
Read the full posting- Employment
- Not stated
What you’ll work on
Full postingAnalyse user behaviour with quantitative analysis and data mining to inform product strategy
Initiate or help run A/B experiments to improve products
Work with finance on company-wide understanding of user lifetime value
Work with engineers to collect the right data for business insights
Guide product teams on measuring what matters
From the employer’s posting
Applying your expertise in quantitative analysis, data mining, and the presentation of data
initiate or help run A/B experiments to keep improving everything we do
Drive together with the finance team a unified company-wide understanding of the lifetime value of our users
Liaise with engineers to keep making sure we collect the right data to produce relevant business insights
Guide and enable product teams to measure things that matter
What you’ll bring
All qualificationsCore experience
- Solid grounding in SQL
- Experience conducting large scale A/B experiments
- Commercially minded, able to put numbers into business perspective
- Self-starter who identifies and tackles issues without being told
Preferred experience
- Python skills
Qualification wording
You have solid grounding in SQL and preferably Python
You have experience in conducting large scale A/B experiments
You're commercially minded and can put numbers into business perspective
You have a self-starter mindset; you proactively identify issues and opportunities and tackle them without being told to do so
preferably Python
Tools in this posting
- Python
- SQL
Source — Tool mentions in context
- You're a team player whom your colleagues can rely on - You have solid grounding in SQL and preferably Python - You have experience in conducting large scale A/B experiments
About Referrals Only
We're looking for a Senior Product Data Scientist excited to help build the bank of the future.
In the employer’s words · Read in context
Posting record
Report an errorOpen 4 monthsWe first saw this posting 149 days ago and it is still up. Roles open this long are often slow to fill or kept open to collect applications.
- Status in our records
- Live
- First seen by us
- Jun 3, 2026 · 149 days ago
- Recorded sightings
- 23
- Last seen by us
- Oct 29, 2026
These dates show when we found the posting. Check the employer’s website to confirm it is still accepting applications.
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Job description
📍London | UK remote | 💰 £80,000 to £95,000 + Incentive Awards tied to your performance + Benefits | Hear from the team
About our Data Science Team:
We're looking for a Senior Product Data Scientist excited to help build the bank of the future. You'll have the opportunity to super charge our user engagement in 2025 and help us to build a bank that customers truly love.
At Monzo, we're building a bank that is fair, transparent and a delight to use. We’re growing extremely fast and have over 11 million customers in the UK. We’ve built a product that people love and more than 80% of our growth comes from word of mouth and referrals.
Enable Monzo to Make Better Decisions, Faster
We have a strong culture of data-driven decision making across the whole company. And we're great believers in powerful, real-time analytics and empowerment of the wider business. All our data lives in one place and is super easy to use. 90% of day-to-day data-driven decisions are covered by self-serve analytics through Looker which gives data scientists the head space to focus on more impactful business questions and analyses.
How we hire
We are excited to be expanding and are hiring for multiple roles across our Data Science teams! Whether your interests lie in Borrowing, Growth, Payments, Fincrime, Wealth, or Core, we are looking for talented individuals with a versatile skill set to contribute across our squads. While we allocate teams after the interview process, we aim to match your skills and aspirations with the most suitable role. Throughout the process, you will meet team members from across our Data Science collectives, who will guide you through the opportunities available. Join us and be part of shaping our future!
What you’ll be working on
We work in cross-functional squads where every data scientist is a member of a central data discipline and fully embedded into 1 product squad alongside engineers, designers, marketers, product managers etc.
Your day-to-day
- Applying your expertise in quantitative analysis, data mining, and the presentation of data to see beyond the numbers and understand how our users interact with our products and how those insights can inform our product strategy
- Guide and enable product teams to measure things that matter; initiate or help run A/B experiments to keep improving everything we do
- Drive together with the finance team a unified company-wide understanding of the lifetime value of our users and how different product features are impacting user profitability
- Liaise with engineers to keep making sure we collect the right data to produce relevant business insights
You should apply if:
What we’re doing here at Monzo excites you!
- You're impact driven and eager to have a real positive impact on the company, product, users and very importantly your colleagues as well
- You're commercially minded and can put numbers into business perspective
- You’re as comfortable getting hands-on as taking a step back and thinking strategically
- You have a self-starter mindset; you proactively identify issues and opportunities and tackle them without being told to do so
- You're a team player whom your colleagues can rely on
- You have solid grounding in SQL and preferably Python
- You have experience in conducting large scale A/B experiments
The Interview Process:
Our interview process involves three main stages:
- Recruiter Call
- Initial Call
- Technical Interview
- Final Interview including a case study and collaboration interview
Our average process takes around 2-3 weeks but we will always work around your availability.
You will have the chance to speak to our recruitment team at various points during your process.
What’s in it for you:
💰 £80,000 to £95,000 + Incentive Awards tied to your performance + Benefits
✈️ We can help you relocate to the UK
✅ We can sponsor visas
📍This role can be based in our London office, but we're open to distributed working within the UK (with ad hoc meetings in London).
⏰ We offer flexible working hours and trust you to work enough hours to do your job well, at times that suit you and your team.
📚Learning budget of £1,000 a year for books, training courses and conferences
➕And much more, see our full list of benefits here
If you prefer to work part-time, we'll make this happen whenever we can - whether this is to help you meet other commitments or strike a great work-life balance.
#LI-NB2 #LI-Remote
Source details
Source notes
Source excerptsSelected passages from the saved posting. Check the full description for conditions and exceptions.
- Pay
No pay amount identified in the saved description.
- Location & working pattern
Cardiff, London or Remote (UK)
📍London | UK remote | 💰 £80,000 to £95,000 + Incentive Awards tied to your performance + Benefits | Hear from the team About our Data Science Team:
More source context
If you prefer to work part-time, we'll make this happen whenever we can - whether this is to help you meet other commitments or strike a great work-life balance. #LI-NB2 #LI-Remote
- Work authorization
No clear work-authorization passage found. Eligibility is unconfirmed.
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