Senior Quant Research & Development Analyst

LSEG; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking a highly technical Senior Analyst, Quantitative Research & Development to join the Equities & Multi-Asset Index Research & Design team in London. The role involves hands-on work across Python, SQL, data pipelines and research tooling to support investment analytics and index methodologies.

You will collaborate with Engineering, Data Operations and Data Providers, develop AI-enabled workflows, perform rigorous data validation, and contribute to

Qualifications

• Approximately 5 years of experience in quantitative development or financial data analytics.
• Strong hands-on Python and SQL skills.
• Experience with pandas, NumPy, Git, CI/CD and modern development environments.
• Experience developing with generative AI and AI agents is desirable.
• Good understanding of equity markets and quantitative techniques (regression, optimisation, factor investing, risk modelling).

Responsibilities

• Develop, test and maintain Python and SQL-based research tools, investment analytics and data pipelines.
• Perform data analysis, validation and quality assurance across large financial datasets.
• Develop automation and AI-enabled tools and agents to improve research, data checking and workflows.
• Support quantitative investment and index research including factor analysis, regression, portfolio optimisation, risk modelling and performance analytics.
• Work with datasets such as Worldscope, IBES, Lipper, Datastream and Refinitiv Workspace.
• Collaborate with Research Analysts, Engineering, Technology and Data Operations to translate requirements into scalable solutions.
• Support index research, methodology development, rebalances and operational activities.
• Respond to analytical enquiries and contribute to client-facing materials.
• Continuously improve code and research infrastructure for scalability and maintainability.

Skills

Python

SQL

pandas

NumPy

Git

CI/CD

VS Code

GitHub Copilot

AI

Tools

Worldscope

IBES

Lipper

Datastream

Refinitiv Workspace

Job description

London Stock Exchange Group (LSEG) is seeking a highly technical Senior Analyst, Quantitative Research & Development to join the Equities & Multi-Asset Index Research & Design team in London. The role involves hands-on work across Python, SQL, data pipelines and research tooling to support investment analytics and index methodologies.

You will collaborate with Engineering, Data Operations and Data Providers, develop AI-enabled workflows, perform rigorous data validation, and contribute to