The OptimisationCoreTech Strats teambuilds the systems that sit at the heart of Quantile's client services. As a large,diverse, and highly collaborativeengineering team, we are responsible for designing and delivering the infrastructure, applications, and data pipelines that allow financial institutions to securely submit risk and trade data to Quantile.

The Role

We are looking for a m i d-level software engineer to join our team.In this role, you will contribute to building and enhancing systems that power large-scale optimisation runs used by global financial institutions. You'll collaboratewithcolleagues in Product Developmentand Financial Engineeringto deliver reliable, high-quality solutions, while continuing to develop your expertise in infrastructure systems and software engineering.

You will validate andintegratefinancialdata into theoptimisationalgorithmsand ensure results are delivered back to clients in a secure, reliable, and timely way.You willalso develop analytics and feedback capabilities that help both our Productmanagementteam and clients better understand outcomes and identify ways to improve futureoptimisationruns through adjustments to inputs, parameters, and workflows.

Our technology stack iscentredonPythonon the backend, with extensive use ofAWS services, andReacton the frontend.Data is managed acrossPostgreSQL (RDS),Redshift/Snowflake, andS3.

KeyResponsibilities

• Design, build, and deliverhigh-quality software solutionsboth independently and as part of a wider engineering team

• DevelopAPIs and backend servicesfor scenario generation and integration with quantitative libraries

• Evaluate and improve theperformance, effectiveness, and reliabilityof system components

• Validate and processclient dataaccurately and securely

• Identify and implement opportunities toautomate processes and workflows

• Generate structured reports and formatted output files for delivery toclients and third-party APIs

What We're Looking For

• 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
  • Familiaritybuildingdata-intensive applications, including use of PyData stack
  • Strong problem-solving, communication, and collaboration skills
  • Familiarity withUnix/Linux,Git, andSQL
  
  
  Desirable
  • Knowledge offinancial derivatives, clearingand the basics ofmarginandcapitalregulatoryrequirements
  • Exposure to AI-assisted tools or workflow automation in a secure, responsible engineering environment
  • Experience across the fullsoftware development lifecycle,andunderstanding ofsoftware design principles(includingSOLID), clean code practices, andobject-oriented programming
  • AffinitywithJavaand/orC++programming

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.

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

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