[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Wise jobs](https://jobs.opennash.com/companies/wise/) · [Search jobs](/search/) Wise · London, United Kingdom # Lead Data Scientist - Scams Prevention London, United Kingdom Full-time Manager or lead Data & Analytics Listed on Wise’s official careers site. Posted October 13, 2026. Check that it is still open and apply there. [Apply on Wise’s careers site →](https://jobs.smartrecruiters.com/Wise/744000155279229-lead-data-scientist-scams-prevention) [OpenNash Jobs](https://jobs.opennash.com/) / [Wise](https://jobs.opennash.com/companies/wise/) / Lead Data Scientist - Scams Prevention ## Job description We’re looking for a Lead Data Scientist to join our growing Scams Prevention team. 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 Wise’s mission and millions of our customers. As a Lead Data Scientist in the Scam Prevention team, you will leverage your expertise in data science to innovate and deploy models that detect and prevent fraudulent activities. Your work will directly influence our ability to safeguard our platform against unauthorised access and enhance our overall security framework. You will collaborate closely with cross-functional teams, including engineering, product, and security operations. ### Key Responsibilities Lead the development and deployment of advanced machine learning models to detect, predict, and mitigate account takeover attempts. Analyse large volumes of data to identify trends, patterns, and anomalies associated with potential ATO and Send Scam threats. Design and implement experiments to evaluate the effectiveness of fraud detection systems and continuously improve their performance. Collaborate with security analysts and engineers to translate business and security requirements into actionable data insights and solutions. Develop robust data pipelines, algorithms, and tools to support real-time detection and response to ATO and Send Scam threats. Stay informed about the latest advancements in data science, machine learning, and fraud prevention techniques to ensure state-of-the-art capabilities in ATO and Send Scam. Mentor and guide junior data scientists, fostering a culture of collaboration and continuous learning within the team. ## Qualifications ### A bit about you Proven experience in a data science role with a focus on fraud detection, cybersecurity, or fin tech related domains Have build machine learning models for Send Scam (Victim Identification) and Account Takeover (ATO) Strong proficiency in machine learning frameworks and programming languages such as Python, R, or similar. Experience working with large datasets and data processing technologies (e.g., Hadoop, Spark, SQL). Familiarity with anomaly detection, supervised, unsupervised learning methods, deep learning, and graph based solutions Demonstrated ability to work collaboratively in cross-functional teams and effectively communicate complex technical concepts to non-technical stakeholders. A proactive, problem-solving mindset with a passion for protecting users from fraudulent activities. You have a solid knowledge of Python, and are able 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; You have experience with mining into event logs to identify patterns and associations You are familiar with a range of model types, and know when and why to use gradient boosting, neural networks, regression, autoencoders, clustering or a blend of these 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. ## At a glance - Posted by the employer: Oct 13, 2026 - First seen by OpenNash: Oct 18, 2026 - Last checked: Oct 18, 2026 - Listed for: 5 days - Location: London, United Kingdom - Employment type: Full-time[Apply on Wise’s careers site →](https://jobs.smartrecruiters.com/Wise/744000155279229-lead-data-scientist-scams-prevention) ## More jobs at Wise ### [Analytics Manager - Marketing Science](https://jobs.opennash.com/companies/wise/jobs/0b92c230c626f842792c/) London, United Kingdom ### [Analytics Manager - Risk & Controls](https://jobs.opennash.com/companies/wise/jobs/6bc92219a76face2072c/) London, United Kingdom ### [Data Science Lead (DSL1) - KYC Global & Onboarding](https://jobs.opennash.com/companies/wise/jobs/f9e92f0b3f7f5070abbb/) London, United Kingdom ### [Data Science Lead – DSL1](https://jobs.opennash.com/companies/wise/jobs/46926366dc094007e10a/) London, United Kingdom ### [Director of Risk Analytics](https://jobs.opennash.com/companies/wise/jobs/01d81050a0eeaca7a607/) London, United Kingdom ## Similar jobs at other companies ### [Senior Data Scientist, ML— Fraud Prevention](https://jobs.opennash.com/companies/adobe/jobs/c6aece5344849969eb2e/) Adobe ### [Senior Manager, Data Scientist - Card Fraud Prevention](https://jobs.opennash.com/companies/capital-one-financial/jobs/b54b9adcb3dc02063ce6/) Capital One Financial ### [Spectrum Careers | Recognize & Avoid Job Scams](https://jobs.opennash.com/companies/charter-communications/jobs/6c022491aca3bd12fec9/) Charter Communications ### [Cybersecurity professional, Data Loss Prevention](https://jobs.opennash.com/companies/siemens-energy/jobs/bae38bf13042eda00914/) Siemens Energy · Bilbao/Vizcaya/Spain, Spain ### [Data Scientist](https://jobs.opennash.com/companies/grasim-industries/jobs/a319a052d10205fb088f/) Grasim Industries · Maharashtra OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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