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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Lead Data Scientist - Fraud Prevention

Requirements:

  • Proven track record of deploying models from scratch, including data preprocessing, feature engineering, model selection, evaluation, and monitoring.
  • Strong Python knowledge. Ability to read through code, especially Java. Demonstrable experience collaborating with engineering on services.
  • 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.

Nice to haves:

  • Experience on working with non-supervised algorithms.
  • Prior experience in the fraud domain and a strong understanding of fraud detection techniques.

What you'll be doing:

  • Maintain and optimise existing risk models to ensure their accuracy and reliability.
  • Continuously monitor model performance and implement improvements based on feedback and testing.
  • Lead the development and deployment of machine learning models, features, and help deploy intelligence to production.
  • Conduct thorough data analysis to identify trends, patterns, and anomalies that can aid in risk mitigation.
  • Develop actionable intelligence and insights to inform the Fraud Risk Team's strategies.
  • Work closely with the Fraud Risk Team to understand business processes and risk factors.
  • Communicate complex data findings and insights effectively to non-technical stakeholders.
  • Identify opportunities to reduce the impact of risks on good customers through data-driven strategies and interventions.
  • Develop and test strategies to balance risk mitigation with customer satisfaction.
  • Document the development and maintenance processes for models and features.
  • Prepare and present detailed reports and dashboards that reflect risk assessment outcomes and model performance.

Perks and benefits:

    AI Summary ✨
    Wise logo

    Wise

    Greater London, UK

    Experience: Senior
    Posted: May 6, 2026
    Last seen: 2 hours ago
    machinelearning

    Why we track Wise

    Wise (formerly TransferWise) is a London-based fintech that built international money transfers from scratch. They have major engineering hubs in Tallinn, London, and Budapest. The engineering challenges around real-time payments, compliance, and multi-currency infrastructure are technically deep.

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