Data Scientist
Organisation LSEG
London, UK
Application Deadline 30 days remaining
- Design, build and deploy machine learning models to solve operational and business challenges.
- Develop predictive analytics capabilities focused on incident prevention, service health, operational risk and customer experience.
- Support the development of Generative AI applications leveraging LLMs, retrieval systems and agentic workflows.
- Evaluate emerging AI technologies and recommend practical applications across the organisation.
Data Science & Analytics
- Perform advanced statistical analysis and modelling across large-scale operational and engineering datasets.
- Develop feature engineering, experimentation and model evaluation frameworks.
- Create insights and recommendations that drive decision making for senior stakeholders.
- Build and maintain reproducible data science workflows and pipelines.
Product Delivery
- Partner with engineering and product teams to transition solutions from proof-of-concept into production.
- Define success metrics and measurement frameworks for AI products.
- Support model monitoring, governance and continuous improvement activities.
- Contribute to AI product roadmaps and prioritisation discussions.
- Work with subject matter experts from Engineering, Operations, Service Management and Product organisations.
- Communicate technical concepts clearly to both technical and non-technical audiences.
- Contribute to the growth of LSEG’s AI and Data Science community through knowledge sharing and mentoring.
- Promote responsible AI, model governance and data-driven decision making.
WHAT YOU’LL BRING:
Essential Experience:
- Demonstrable experience delivering machine learning or AI solutions within a large-scale enterprise environment.
- Strong experience applying statistical modelling, predictive analytics and experimentation techniques.
- Experience working with structured and unstructured data at scale.
- Proven ability to translate business problems into measurable analytical outcomes.
- Experience taking models from development into production environments.
Technical Skills:
- Python and associated data science ecosystem (Pandas, NumPy, Scikit-learn).
- Machine learning techniques including classification, regression, clustering and anomaly detection.
- Experience with Generative AI, LLMs, RAG architectures or agent-based AI solutions.
- SQL and large-scale data analysis.
- Cloud-based data science platforms and MLOps practices.
- Data visualisation and storytelling tools.
- Experience within financial services, regulated environments or market infrastructure.
- Familiarity with Azure AI services and Microsoft AI ecosystem.
- Experience with observability, SRE or operational analytics use cases.
- Knowledge of Responsible AI and model governance frameworks.
Behaviours & Competencies:
The successful candidate will demonstrate:
- Strong problem-solving capability and analytical thinking.
- Curiosity and a passion for applying AI to real-world challenges.
- Customer-focused mindset with a focus on outcomes.
- Ability to work effectively across organisational boundaries.
- Ownership and accountability for delivery.
- Clear communication and stakeholder management skills.
- Commitment to continuous learning and innovation.
Career Stage:
Senior Associate
London Stock Exchange Group (LSEG) Information:
Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.
LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.
Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.
We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.
You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.
Hybrid – Birmingham, Bristol, London, Blackburn, Redcar or Doncaster
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