Siena Partnership
Data Scientist
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Data Scientist on a 6-month contract, paying "rate". It requires strong Python and ML framework skills, experience with LLMs and agentic AI, and a background in financial services. Remote work is available.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
-
💰 - Day rate
Unknown
-
🗓️ - Date
December 16, 2025
🕒 - Duration
More than 6 months
-
🏝️ - Location
Unknown
-
📄 - Contract
Fixed Term
-
🔒 - Security
Unknown
-
📍 - Location detailed
London Area, United Kingdom
-
🧠 - Skills detailed
#Leadership #Data Pipeline #Scala #Data Science #TensorFlow #ML (Machine Learning) #AI (Artificial Intelligence) #Cloud #Python #PyTorch
Role description
The Siena Partnership are working with a Financial Services provider seeking an experienced Data Scientist to support and enhance AI-driven solutions across the business on a 6-month contract.
This role sits within the central Data & Analytics function and reports to the Director of Data.
The role
• Evaluate, optimise, and enhance existing AI/ML and agentic AI models developed by third-party vendors
• Ensure models are robust, scalable, well-documented, and aligned with regulatory requirements
• Support knowledge transfer and help build a permanent in-house data science capability
• Work closely with technology teams, business stakeholders, and senior leadership
Key requirements
• Strong hands-on experience with Python and ML frameworks (e.g. PyTorch, TensorFlow, scikit-learn)
• Experience with LLMs, prompt engineering, and agentic AI frameworks
• Understanding of data pipelines, cloud environments, and model governance
• Background in financial services or asset management preferred
• Confident communicator able to explain complex concepts to non-technical audiences
The Siena Partnership are working with a Financial Services provider seeking an experienced Data Scientist to support and enhance AI-driven solutions across the business on a 6-month contract.
This role sits within the central Data & Analytics function and reports to the Director of Data.
The role
• Evaluate, optimise, and enhance existing AI/ML and agentic AI models developed by third-party vendors
• Ensure models are robust, scalable, well-documented, and aligned with regulatory requirements
• Support knowledge transfer and help build a permanent in-house data science capability
• Work closely with technology teams, business stakeholders, and senior leadership
Key requirements
• Strong hands-on experience with Python and ML frameworks (e.g. PyTorch, TensorFlow, scikit-learn)
• Experience with LLMs, prompt engineering, and agentic AI frameworks
• Understanding of data pipelines, cloud environments, and model governance
• Background in financial services or asset management preferred
• Confident communicator able to explain complex concepts to non-technical audiences
