Software Engineer

mthree • london, england • Posted May 25, 2026

About the Role

Software Engineer – Real-Time Python Systems (Front Office)

A leading global investment bank is growing a front‑office engineering team responsible for building and owning high‑performance, real‑time systems used directly in live environments.

This role is firmly hands‑on and engineering‑driven. You’ll work on low‑latency, high‑throughput platforms that underpin pricing, eTrading, and market‑making workflows, with real ownership of core production infrastructure. The focus is on building robust, scalable systems rather than tooling or scripting.

They’re looking for strong, switched‑on engineers who enjoy solving complex problems, working close to the end user, and taking responsibility for systems running at scale.

What You’ll Be Working On

  • Designing, building, and supporting real‑time pricing, eTrading, and market‑making platforms
  • Developing low‑latency, high‑throughput backend systems used in live production
  • ...