Specialist Engineer, Machine Learning

ROLE PROFILE

Join our dynamic AI/ML team and help shape the future of intelligent applications in financial markets. You’ll play a key role in designing and deploying machine learning solutions from GenAI and LLMs to agents that support critical operations. Your ability to interpret data, apply sophisticated analytics, and collaborate across teams will help us deliver scalable, high-impact solutions.

ROLE SUMMARY

We’re hiring a Specialist Engineer in Machine Learning to join the development of AI-powered tools that improve automation, decision-making, and operational efficiency. This is a hands-on role where you’ll apply your skills in Python, ML frameworks, and data engineering to build intelligent systems. You’ll work with multi-functional teams to bring innovative ideas to life in a fast-paced, real-world financial environment.

KEY ACCOUNTABILITIES

• Build and deploy machine learning models and AI agents for financial applications.
• Partner with product, engineering, and data teams to integrate intelligent systems into digital platforms.
• Monitor and optimize model performance using analytics and feedback.

SUCCESS IN THIS ROLE REQUIRES

• Strong technical foundation in ML, GenAI, and LLMs.
• Ability to translate business needs into scalable AI solutions.
• Proactivity and collaborative approach to problem-solving.

WHAT YOU'LL BE DOING

• Design, develop, and maintain ML models using Scikit-learn, PyTorch, and other relevant libraries.
• Build and fine-tune GenAI applications using frameworks like LangChain and Strands.
• Create AI agents that automate and enhance financial market operations.
• Work closely with business teams and product teams to ensure flawless integration of ML solutions.
• Analyze large datasets to extract insights and improve model accuracy.
• Stay up-to-date with the latest advancements in AI/ML and apply them to real-world problems.
• Participate in code reviews, model validation, and performance tuning.

WHAT YOU'LL BRING

Essential Skills:

• Proven experience in AI/ML.
• Proficiency in Python and SQL.
• Hands-on experience with ML libraries (Scikit-learn, PyTorch).
• Experience with GenAI tools and frameworks (LangChain, Strands).
• Strong understanding of LLMs and AI agent architectures.

Desirable Skills:

• Experience in financial services or fintech.
• Familiarity with cloud platforms like AWS.
• Knowledge of MLOps and model deployment pipelines.

Soft Skills:

• Analytical thinking and problem-solving.
• Excellent communication and teamwork skills.
• Curiosity and a passion for continuous learning.

WHAT YOU’LL GET IN RETURN

• Opportunity to work on impactful AI/ML projects in the financial domain.
• A collaborative and innovative work environment.
• Access to cutting-edge tools and technologies.
• Flexible work arrangements – this role follows a Blended workstyle.
• Career development and learning opportunities in a fast-evolving field.

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.

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