Back End Developer

Allegis Global Solutions • london, england • Posted June 12, 2026

About the Role

Senior Backend Developer (Java | Financial Markets Platform)

Location : London, UK

Work Pattern : Hybrid (2/3 days onsite)

About the Role

We are looking for a Senior Backend Developer to join a global engineering team building a cutting‑edge financial markets trading platform. This role offers the opportunity to work on a high-performance, real‑time system used for pricing, execution, and trade processing.

You’ll collaborate with cross‑functional teams across locations and play a key role in delivering scalable, low‑latency solutions in a fast‑moving environment.

Key Responsibilities

  • Design, develop, and deliver high-quality backend solutions from concept to production.
  • Build and enhance real‑time, event‑driven applications.
  • Collaborate with architects, product owners, and global engineering teams.
  • Break down complex projects, drive deliver...