Senior Data Scientist (40% workload)

Are you a Senior Data Scientist with strong quantitative expertise and experience working with complex financial time series data in regulated environments?

We are supporting a leading private bank in Zurich that is looking for a Senior Data Scientist to support the development and roll-out of a global market abuse detection model within its Compliance Analytics and Transformation function.

In this role, you will contribute deep quantitative expertise to the design, validation, and operationalisation of advanced analytical models used to monitor abnormal market behaviour. You will work closely with compliance, analytics, and technology stakeholders in a regulatorily sensitive environment.

Your responsibilities will include:

• Supporting the development and deployment of a global market abuse detection model
• Designing and implementing advanced statistical and machine learning models for time series anomaly detection
• Working with complex financial time series data, including irregular and high-frequency datasets
• Performing feature engineering, model validation, and performance monitoring
• Translating analytical results into actionable insights for non-technical stakeholders
• Owning the full model lifecycle from requirements gathering to documentation and maintenance
• Writing efficient SQL queries to analyse large-scale datasets

To succeed in this role, you should bring:

• 7+ years of professional experience in quantitative or data science roles within banking, asset management, or fintech
• Strong experience in market or trade surveillance or other regulatorily sensitive domains
• Advanced Python skills for production-grade data science (pandas, NumPy, scipy, scikit-learn, statsmodels, PyTorch or TensorFlow)
• Strong knowledge of time series econometrics and anomaly detection techniques
• Experience working with Oracle databases and strong SQL skills
• Excellent analytical rigor and ability to challenge assumptions
• Strong communication skills and ability to explain complex findings clearly

Role details:

• Location: Zurich
• Workload: 40%
• Duration: 3 months
• Language: English (fluent), German basic

If you would like to discuss this Senior Data Scientist role further, feel free to reach out:

📩 [email protected]

📞+41 43 508 95 78