Senior Java Developer

MARGO; City Of London; On-site; GBP 50,000 - 80,000; Full time

Job summary

A leading financial services firm in London is seeking a Java Developer to join the FX Options team. This role involves modernising the technology framework and working directly with traders and sales teams. Key responsibilities include programming in Java, UI development, and performance optimisation. Ideal candidates should have deep experience in Java and knowledge of market protocols. This position offers a chance to be part of a mission-critical platform transformation.

Qualifications

• Deep experience with Java in a similar environment, including UI development.
• Knowledge of FIX and market protocols.
• Front office knowledge of FX Options business or quantitative finance.

Responsibilities

• Modernise the technology framework to bank standards.
• Integrate new payoffs and pricing techniques.
• Work closely with FX trading desk engineers.

Skills

Clear communication

Java

Java Swing UI framework

Multithreading

Performance monitoring

Scripting skills (e.g. PowerShell)

Tools

FIX

C++ Quant libraries

Job description

Overview

Margo is looking for a Java Developer to join the FX Options team. This is a high-profile role working directly on the FX Options pricer, supporting both the FX Options desk and voice traders. The team builds pricing, hedging, and electronic distribution systems, as well as workflows for Sales and Structuring.

This is a new role within IT, working closely with the FX trading desk engineers. Your mission will be to modernise the technology framework to bank standards while keeping it flexible for Quants and trading teams to integrate new payoffs and pricing techniques.

The platform is currently undergoing a major transformation, including:

• Integration with a new Sales & Client SDP
• Migration of the analytics library

What you’ll work with

• Programming in Java (core focus)
• Java Swing UI framework
• Multithreading and performance optimisation
• Performance monitoring, including designing suitable metrics
• Scripting skills (e.g. PowerShell, batch scripts)

What we’re looking for

• Clear communication and systematic reasoning skills
• Deep experience with Java in a similar environment, including UI development
• Knowledge of FIX and other market protocols
• Front office knowledge of FX Options business or quantitative finance
• Understanding of software delivery processes and methodologies
• Experience integrating C++ Quant libraries

Why join

• Work on a mission-critical platform used directly by traders and sales teams
• Collaborate closely with Quants and front office teams
• Be part of a large-scale technology transformation in FX Options