Senior Applied Data Scientist

Company: London Stock Exchange Group
Apply for the Senior Applied Data Scientist
Location: London
Job Description:

Overview

As a Senior Data Scientist at LSEG, you will drive the productionisation of AI solutions for financial markets, turning prototypes into scalable systems. You’ll lead high-impact AI initiatives in collaboration with cross-functional teams to deliver data-driven outcomes aligned with business goals. You’ll balance advanced modeling with robust production practices, ensuring reliable, maintainable code and clear communication with technical and non-technical partners. This role offers the opportunity to shape AI-driven products in a globally connected, innovation-focused environment. Join us to help democratize analytics and advance financial insights at scale.

Pay / Benefits

  • high-impact projects
  • competitive benefits
  • industry leadership
  • collaborative environment
  • career development
  • healthcare and retirement planning

Responsibilities

  • Develop and deploy production-level AI models and data-driven solutions aligned with business objectives
  • Tune and optimize AI models for accuracy and efficiency across applications
  • Evaluate third-party AI solutions for performance, scalability, and business fit
  • Establish and enforce coding standards for robust, clean code
  • Collaborate with Software Engineers and multi-disciplinary teams to define requirements and development roadmaps

Key requirements

  • Extensive experience applying data science methods with a track record of deploying AI to production
  • Strong statistical analysis skills with a foundation in probability
  • Proficiency in Python and data science libraries (TensorFlow, PyTorch, Scikit-Learn)
  • Expertise in cloud technologies (Azure and/or AWS) and deployment practices
  • Ability to communicate complex concepts to technical and non-technical audiences
  • Desirable: working knowledge of DevOps practices (CI/CD, automated testing, monitoring)
  • Excellent communication
  • Collaborative mindset
  • Problem-solving aptitude
  • Python
  • TensorFlow
  • PyTorch

…

Posted: October 1st, 2026