Data Scientist – Contract

Company: Jefferson Frank
Apply for the Data Scientist – Contract
Location: Greater London
Job Description:

Job Title: Data Scientist (Contract)Location: London (Hybrid – 1 office visit a week)Duration: 6 monthsStart Date: ASAP

Outside IR35

A global consultancy is seeking a Data Scientist to join its internal transformation team focused on delivering AI-driven solutions across tax and legal services. This is a contract role within a high-performing data and AI group, offering exposure to cutting-edge generative AI technologies and the opportunity to contribute to impactful service delivery innovations.

Key Responsibilities:

* Design and deploy Python-based AI applications for internal use* Conduct R&D on generative AI techniques including fine-tuning, prompt engineering, and retrieval-augmented generation* Build agentic systems and LLM-assisted frameworks using modern orchestration tools* Collaborate with cross-functional teams to deliver production-ready solutions* Maintain high standards of code quality, documentation, and testing* Develop evaluation pipelines and ensure robust quality control across deployments

Essential Skills and Experience:

* Advanced Python programming skills with experience in libraries such as Numpy, Pandas, Scikit-Learn, Langchain, LlamaIndex* Deep expertise in Azure and its AI services, including Azure AI Foundry* Hands-on experience with GenAI techniques: prompt orchestration, retrieval methods (RAG, knowledge graphs), agentic frameworks (LangGraph, Semantic Kernel Agents)* Familiarity with software engineering best practices: version control, testing, deployment* Ability to collaborate with AI engineers and translate prototypes into scalable solutions

Desirable Skills:

* Experience optimizing workflows and building scalable AI pipelines* Strong data analytics and visualization capabilities (Excel, Alteryx)* Understanding of Responsible AI principles and practices

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Posted: April 11th, 2026