Senior Python Engineer for Engineered Index & Rates

London Stock Exchange Group; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Python Engineer to develop and support platforms for index and benchmark solutions within the FICC Engineering team in London. You will be a hands-on engineer designing scalable software and solving complex problems with minimal supervision.

Bring 7+ years of software development, strong Python, Linux, cloud familiarity, and experience with CI/CD, SQL, and data processing.

Qualifications

• 7+ years of hands-on software development experience, preferably in financial services or data-intensive environments.
• Strong Python development skills and Linux-based environment experience.
• Solid software engineering fundamentals: design, testing, code quality, performance optimization.
• Ability to independently investigate and solve complex technical problems.
• Experience developing and supporting production systems in a business-critical environment.
• Experience with source control and CI/CD tools (Git, GitLab).
• Strong SQL and data processing experience.
• Ability to quickly learn new technologies, domains and data models.

Responsibilities

• Develop and maintain platforms and tools for custom, thematic FICC index and benchmark solutions, focusing on engineered products and rates.
• Design and implement scalable, reliable software solutions using modern engineering practices.
• Collaborate with product, research, and index teams to translate business requirements into technical solutions.
• Investigate, troubleshoot, and resolve complex production, data, and application issues through root-cause analysis.
• Drive platform modernization including cloud adoption and deployment process improvements.
• Enhance software quality, automation, and operational efficiency via testing, code reviews, and CI/CD.
• Work across a diverse technology stack including Python, Linux, cloud technologies, and legacy applications.
• Take ownership of projects from design to production support.

Skills

Python

Linux

CI/CD

SQL

Data processing

Troubleshooting

Ownership

Communication

Cloud technologies

Education

Bachelor’s or Master’s degree in Computer Science/Engineering or related quantitative discipline

Tools

Git

GitLab

Job description

London Stock Exchange Group (LSEG) is seeking a Senior Python Engineer to develop and support platforms for index and benchmark solutions within the FICC Engineering team in London. You will be a hands-on engineer designing scalable software and solving complex problems with minimal supervision.

Bring 7+ years of software development, strong Python, Linux, cloud familiarity, and experience with CI/CD, SQL, and data processing.