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Senior Java Consultant

Ascendionlondon, london🇬🇧United KingdomPosted 16 Sept 2026

Why This Role Stands Out

Advance your career as a Senior Java Consultant at Ascendion, where you'll develop high-performance applications for the banking sector and hone your expertise in concurrency and low-latency systems. This hybrid role in London is perfect for seasoned Java developers with a passion for financial technology and complex problem-solving. Embrace this opportunity to grow your skills and contribute to impactful projects within a respected company.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
london, london, United Kingdom
Java

Job Description

Ascendion is looking for Senior Java Consultant in London, UK !

Location: Bromley, UK

Working Model: Hybrid

Full-Time role with Ascendion

We are looking for a strong Java Consultant with excellent technical capabilities to join a banking technology team working on high-performance applications.

Key requirements:

  • Strong Core Java development experience
  • Excellent knowledge of concurrency and multithreading
  • Experience building high-performance / low-latency applications
  • Equities or Fixed Income experience preferred
  • Low-latency experience across other asset classes will also be considered
  • Strong software engineering and problem-solving skills
  • Financial services experience highly desirable
  • Prior algo-trading or pricing experience in any asset classes

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