Senior Engineering & Architecture Opportunities

London, England, GBFull-time2026-09-19 → 2026-11-10

Core

Hands-on engineers to modernize and scale the FTSE platform, a cloud-native, low-latency system underpinning global investment products.

Role type

Senior IC software engineer (cloud-native, low-latency systems)

Builds

Cloud-native, low-latency systems for global financial benchmarks and index solutions

Domain

Financial markets infrastructure, cloud engineering, distributed systems

Required skills

Java, Python, C++, C#, AWS, Azure, CI/CD, automation, testing, AI-assisted development tooling

Preferred skills

AI and machine learning, architecture and distributed systems, site reliability engineering

Technologies

AWS, Azure, Java, Python, C++, C#

Responsibilities

Modernize and scale the FTSE platform, leverage AI-assisted development tooling to improve engineering productivity, solve challenging problems in software engineering with focus on performance, data quality, and reliability

Seniority

Senior, hands-on IC

About London Stock Exchange Group

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, handle risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehens