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About the Role

Contribute to building and enhancing systems that power large-scale optimisation runs used by global financial institutions. Collaborate with Product Development and Financial Engineering to deliver reliable, high-quality solutions, while developing expertise in infrastructure systems and software engineering.

Responsibilities

• Design, build, and deliver high-quality software solutions both independently and as part of a wider engineering team
• Develop APIs and backend services for scenario generation and integration with quantitative libraries
• Evaluate and improve the performance, effectiveness, and reliability of system components
• Validate and process client data accurately and securely
• Identify and implement opportunities to automate processes and workflows
• Generate structured reports and formatted output files for delivery to clients and third-party APIs

Requirements

• Strong Python skills
• Experience working with trade booking, middle-office, or post-trade systems, and familiarity with standards such as MarkitWire, FpML, or FIX protocol
• Familiarity building data-intensive applications, including use of PyData stack
• Strong problem-solving, communication, and collaboration skills
• Familiarity with Unix/Linux, Git, and SQL
• Knowledge of financial derivatives, clearing and the basics of margin and capital regulatory requirements
• Exposure to AI-assisted tools or workflow automation in a secure, responsible engineering environment
• Experience across the full software development lifecycle, and understanding of software design principles (including SOLID), clean code practices, and object-oriented programming
• Affinity with Java and/or C++ programming

Skills

• Python
• AWS
• React
• PostgreSQL
• Redshift
• Snowflake
• S3
• PyData stack
• Unix/Linux
• Git
• SQL
• Java
• C++

Location

• London

Work Type

• Full-time

Experience Level

• Mid-level
• Senior Associate

Benefits

• Healthcare
• Retirement planning
• Paid volunteering days
• Wellbeing initiatives

About the Company

• 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 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.

Equal Opportunity

• 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.