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From the employer's careers site First seen 1 Nov 2026

Lead Software Engineer

FTSE Russell London senior full-time

The employer hasn't listed a salary.

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Description

We're establishing a team of engineers passionate about software craftsmanship, quality, and meaningful impact. As a Lead Software Engineer, you'll own the technical direction of software that powers the indices trusted by financial institutions worldwide.

You will:

  • Design, write, review, and ship production software, primarily in Python
  • Own technical direction and architecture for a defined area of the platform
  • Lead the design of software systems with resilience, performance, maintainability, and reusability designed in
  • Drive engineering quality across the team
  • Mentor and coach engineers
  • Dig into technical design and risk trade-offs
  • Design data-intensive software across relational databases and AWS services
  • Build software that processes data at scale on AWS
  • Embed observability, automated testing, monitoring, and quality controls
  • Take ownership of production outcomes
  • Influence and collaborate across engineering teams

You will bring:

  • Depth in software design and architecture
  • Strong ownership of technical and production outcomes
  • Experience with relational databases and AWS
  • Excellent communication skills
  • A collaborative approach to engineering

Nice to haves:

  • Apache Spark / PySpark
  • Big data experience
  • Apache Iceberg, Delta Lake, or similar open table formats
  • CI/CD tooling
  • Infrastructure as code
  • Experience in financial markets, index data, or investment analytics

Skills

Required

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/London-United-Kingdom/Lead-Software-Engineer_R0124080

Apply on FTSE Russell