Senior Python Engineer - Optimisation & Data Pipelines

London Stock Exchange Group; City of Westminster; On-site; GBP 65,000 - 95,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Volunteering days

Wellbeing initiatives

Job summary

London Stock Exchange Group is seeking a mid-level Python Developer to join a highly collaborative engineering team. You will contribute to building systems powering large-scale optimisation runs used by global financial institutions, validating client data, and delivering reliable outputs securely and efficiently.

The role centers on Python backend development with AWS, PostgreSQL, Redshift/Snowflake, and S3.

Qualifications

• Strong Python skills.
• Experience with trade booking, middle-office, or post-trade systems; familiarity with MarkitWire, FpML, or FIX.
• Familiarity building data-intensive applications, including PyData stack.
• Strong problem-solving, communication, and collaboration skills.
• Familiarity with Unix/Linux, Git, and SQL.

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

Skills

Python

PyData stack

Unix/Linux

Git

SQL

Job description

London Stock Exchange Group is seeking a mid-level Python Developer to join a highly collaborative engineering team. You will contribute to building systems powering large-scale optimisation runs used by global financial institutions, validating client data, and delivering reliable outputs securely and efficiently.

The role centers on Python backend development with AWS, PostgreSQL, Redshift/Snowflake, and S3.