Data Scientist

2 weeks ago

London Area, United Kingdom Square One Resources Full time

Job Title:
Data Scientist - Tax & Legal

Location:
London

Salary/Rate:
Up to £620 per day inside IR35

Start Date:
10/11/2025

Job Type:
Contract

Company Introduction

We are looking for a Data Scientist to join our Data and AI Team supporting internal service delivery transformation projects across Tax and Legal. You will be a Python and Azure expert in designing and building cutting-edge generative AI solutions for complex challenges. You will report to the Technical Lead and collaborate with data scientists, software engineers and market specialists across the team to build and deliver high-impact solutions

Job Responsibilities/Objectives

  1. Build and deploy Python based AI applications
  2. Research and design advanced experiments and prototypes using cutting edge techniques, specifically in GenAI
  3. Develop various LLM assisted frameworks
  4. Design and write clean, maintainable, auditable and well documented codebases
  5. Implement testing pipelines and evaluation frameworks
  6. Good documentation practices to ensure seamless operations
  7. Exceptional teamwork and communication skills working in a cross functional environment with other data scientists, software engineers and T&L domain experts

Required Skills/Experience

The ideal candidate will have the following:

  1. Be an expert Python programmer proficient in frameworks/libraries such as: Numpy, Pandas, Scikit-Learn, Langchain, Llamaindex, Azure AI Foundry amongst others.
  2. Must have Azure and be an expert with R&D on generative AI techniques
  3. Practical experience with GenAI techniques such as Finetuning, Prompt engineering, prompt orchestration, retrieval methods (RAG and Knowledge graph techniques), Agentic Systems etc.
  4. Knowledge of Agentic frameworks such as LangGraph, Azure AI Foundry Agents, Semantic Kernel Agents etc.
  5. Knowledge of prompt orchestration and optimisation techniques such as Azure Semantic Kernel, Prompt flow etc.
  6. Skilled at working with AI engineers to write production ready python code and implementing robust quality control methods in solutions
  7. Have knowledge of basic software engineering concepts and best practices for team-based programming, including versioning, testing, and deployment

Desirable Skills/Experience

Although not essential, the following skills are desired by the client:

  1. Adept at creating highly optimised workflows and solutions
  2. Deep knowledge of various Microsoft Azure AI services
  3. Strong data analytics and visualisation skills specifically using tools like Excel and Alteryx
  4. Knowledge of Responsible AI practices

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