
at Wise
FinTechPosted 9 days ago
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**Lead Data Scientist - Fraud Risk** *Lead the development of machine learning models to enhance Wise's Receive product performance and detect fraud* - **Role**: Data Scientist - Fraud Risk (Lead) - **Location**: London, UK - **Salary**: £90,500 - £127,000 annual - **Key responsibilities**: - Lead development & deployment of ML models for fraud detection in the Receive domain - Analyse large datasets to identify trends, patterns, risks, and opportunities - Collaborate with cross-functional teams to translate business requirements into data science solutions - Build scalable modelling approaches for better prioritisation, personalisation, and decision-making - **Required skills & experience**: - Proven track record in deploying ML models from scratch - Strong Python & Git skills, familiarity with data processing technologies (e.g., Hadoop, Spark, SQL) - Knowledge of anomaly detection, supervised & unsupervised methods, and real-time data analysis - Excellent communication and stakeholder management skills - Experience working with large datasets and data pipelines - **Nice to have**: - Experience with MLOps tools (Airflow, MLflow, AWS SageMaker, AWS S3, AWS EMR, CI/CD) - Prior experience in the fraud domain and fraud detection techniques - Familiarity with designing and deploying LLM-based solutions - **Benefits**: - Stock options in a profitable company - Hybrid working model - Annual personal development budget - Visa and relocation support
- Compensation
- £90,500 – £127,000 GBP
- City
- London
- Country
- United Kingdom
Currency: £ (GBP)
Full Job Description
Lead Data Scientist - Fraud Risk
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Wise is a global technology company, building the best way to move and manage the worlds money.
Min fees. Max ease. Full speed.
Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.
As part of our team, you will be helping us create an entirely new network for the world's money.
For everyone, everywhere.
More about our mission and what we offer.
Were looking for a Lead Data Scientist to join our growing Receive Team in London.
This role is a unique opportunity to work behind the scenes of company transactions, understand how we mitigate risk and at the same time provide our customers with the seamless service they deserve. What you build will have a direct impact on Wises mission and millions of our customers.
Role Overview:
As a Lead Data Scientist on the Receive team, you will leverage your expertise in data science to identify, design and deploy models that improve how customers receive and add money with Wise. Your work will help us make better decisions, improve customer outcomes, and build scalable data science capabilities for a growing product area. You will collaborate closely with cross-functional teams, including engineering, product, analytics, operations and risk management.
Key Responsibilities:
Lead the development and deployment of machine learning models and data science solutions to improve Receive product performance across different Wise markets
Analyse large volumes of customer, transaction and product data to identify trends, patterns, risks and opportunities
Design and implement experiments to evaluate the effectiveness of product changes, decisioning systems and customer experience improvements
Build scalable modelling approaches that support better prioritisation, personalisation, risk management and operational decision-making
Collaborate with analysts, product managers, engineers, operations and risk teams to translate business requirements into actionable data science solutions
Develop robust data pipelines, algorithms and tools to support production-grade modelling and decision-making
Stay informed about the latest advancements in data science, machine learning, and payment fraud prevention techniques to ensure state-of-the-art capabilities in the Spend domain
A bit about you:
Proven track record of deploying models from scratch, including data preprocessing, feature engineering, model selection, evaluation, and monitoring
Solid knowledge of Python, and ability to make and justify design decisions in your code. You know how to use Git to collaborate with others (e.g. opening Pull Requests on GitHub) and are able to review code. Ability to read through code, especially Java. Demonstrable experience collaborating with engineering on services
Experience working with large datasets and data processing technologies (e.g., Hadoop, Spark, SQL)
Familiarity with anomaly detection, supervised and unsupervised learning methods, and real-time data analysis
Experience with statistical analysis and good presentation skills to drive insight into action;
A strong product mindset with the ability to work independently in a cross-functional and cross-team environment
Good communication skills and ability to get the point across to non-technical individuals;
Strong problem solving skills with the ability to help refine problem statements and figure out how to solve them
Some extra skills that are great (but not essential):
Experience with MLOps tools: Airflow, MLflow, AWS SageMaker, AWS S3, AWS EMR, CI/CD
Prior experience in the fraud domain and a strong understanding of fraud detection techniques
Experience designing and deploying LLM-based solutions in production
Were people without borders without judgement or prejudice, too. We want to work with the best people, no matter their background. So if youre passionate about learning new things and keen to join our mission, youll fit right in.
Also, qualifications arent that important to us. If youve got great experience, and youre great at articulating your thinking, wed like to hear from you.
And because we believe that diverse teams build better products, wed especially love to hear from you if youre from an under-represented demographic.
Key benefits:
Stock options in a profitable company
Hybrid working model - whether its working from home, working overseas, school plays or life admin we get that flexibility is essential
Annual personal development budget - whether its for books, courses, or conferences
Visa and relocation support
You can read more about our full benefits package here...
For everyone, everywhere. We're people building money without borders without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.
We're proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.
If you want to find out more about what it's like to work at Wise visit Wise.Jobs.
Keep up to date with life at Wise by following us on LinkedIn and Instagram.
More about the team
Find out more about our team, how we work and other open roles.
View the teamFind out more about what we offer our employees
From me days to mission days, sabbaticals to stock, and everything in between. For everyone, everywhere. Were people building money without borders. Find out what you'll get if you join us.
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For everyone, everywhere. Were people building money without borders.
View open rolesLead Data Scientist - Fraud Risk
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