Associate Data Scientist

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

OUR PEOPLE:

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers!!

The Team:

Are you excited about the potential of AI to transform how people discover, access, and act on information? Do you enjoy solving complex problems using data, experimentation, and analytical thinking?

Associate Data Scientists in our AI Engineering team work alongside expert data scientists and software engineers to build, measure, and improve AI-assisted products and capabilities used across LSEG.

This role offers the opportunity to work across a broad range of AI challenges, including experimentation, evaluation, dataset development, AI-assisted workflows, agentic systems, and generative AI applications.

Role Summary

As an Associate Data Scientist, you will apply data science methods to support the development and continuous improvement of AI-powered products and platforms.

Working closely with data scientists, software engineers, product teams, and stakeholders, you will help ensure that AI systems are measurable, reliable, and aligned with customer needs. Your work will directly support the development and evaluation of production-facing AI capabilities.

What You'll Be Doing

• Contribute to AI-enabled products, services, and platforms, including large language model and agentic AI use cases.

• Help develop tools, frameworks, and processes that improve how teams measure, monitor, and enhance AI capabilities.

• Analyse data and communicate findings, recommendations, and trade-offs to technical and non-technical audiences.

• Contribute to implementing solutions that are scalable, maintainable, and operationally robust.

• Work with internal customers to understand quality requirements and translate them into measurable evaluation criteria.

• Continuously develop expertise in AI evaluation, generative AI, prompt engineering, and emerging industry practices.

• Knowledge of machine learning and generative AI concepts.

• Understanding of statistical methods, experimentation, and data-driven decision making.

• Ability to analyse data, identify patterns, and draw evidence-based conclusions.

• Experience with Python or willingness to develop strong programming skills.

• Strong communication skills with the ability to explain technical concepts clearly to diverse audiences.

• Curiosity, learning agility, and a collaborative attitude.

Desirable Skills

• Experience with AI evaluation, benchmarking, or experimentation methodologies.

• Familiarity with large language models, prompt engineering, or agent-based AI systems.

• Exposure to software engineering practices such as version control, testing, CI/CD, or cloud platforms.

• High-impact projects: We work on a variety of core projects pioneering AI products.

• Competitive benefits: We offer a strong compensation package, comprehensive benefit, and ongoing investment in career growth and skill development.

• Industry leadership: We deliver brand-new products that democratize analytics solutions.

• Career progression: We provide opportunities for continuous learning and professional development in a collaborative work environment of dedicated, highly experienced teams.

We recognize that to attract the best talent, we need to be flexible, and we are open to discussing work arrangements with you. We take a hybrid approach to the workplace; this role will require attending the office at least three days per week.

LSEG offers a range of tailored benefits and support, including healthcare, paid volunteering days and wellbeing initiatives.

Career Stage:

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.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.