> Markdown version of [/jobs/ext/4678200-senior-data-scientist-400-a-day-inside-ir35](https://www.wearedevelopers.com/jobs/ext/4678200-senior-data-scientist-400-a-day-inside-ir35). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Scientist - £400 a day inside IR35 - **Company:** Korn Ferry - **Location:** London, United Kingdom - **Experience:** Expert - **Salary:** £104,000 - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Amazon S3, Business Analytics Applications, Data Analysis, Data Visualization, Python (Programming Language), NumPy, Standard Sql, SQL Databases, Parquet, Data Ingestion, Snowflake, Boto3, Pandas, Matplotlib, Plotly, Restful APIs, Streamlit Framework, OpenSearch - **Published:** November 12, 2026 - **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-9AA15D08C9AB7B390A/ ## About the Role Essential: * Strong commercial Python development experience * Strong experience with pandas and NumPy * Hands-on Streamlit dashboard development * Strong SQL and API integration experience * Data analysis and quantitative/statistical skills * Experience working with time-series data and/or anomaly detection * Strong data visualisation skills * Experience developing production-grade data or analytics solutions ## Description * Develop production-quality solutions using Python, pandas and NumPy * Build and enhance interactive Streamlit dashboards * Integrate data from SQL, APIs, Snowflake, OpenSearch and REST-based sources * Analyse large telemetry datasets and identify trends, anomalies and performance issues * Perform time-series analysis and anomaly detection * Create effective visualisations using tools such as Plotly, Matplotlib and Seaborn * Work with AWS S3, boto3 and Parquet-based data * Own functionality from data ingestion through analysis to visualisation * Maintain clean, scalable architecture and engineering standards