Java Developer

Job Overview:

Join a fast‐paced and highly collaborative eFX Quantitative Developer team within Global Markets. You’ll help build and enhance a best‐in‐class eFX trading platform, working closely with quants and traders to drive automation, performance, and revenue. This role sits within the Principal Flow Trading stream and offers hands‐on ownership of the full development lifecycle.

Location: London (Hybrid)

Daily Rate: Flexible

Contract Length: Until Dec 2026

Start Date: ASAP

Key Responsibilities

• Develop and enhance a low‐latency, high‐throughput eFX algorithmic trading platform

• Own initiatives end‐to‐end: analysis, design, implementation, delivery

• Design, implement, and back‐test pricing and execution strategies

• Build analytics to monitor model and platform performance

• Enhance the proprietary eTrading framework used across Global Markets

• Collaborate closely with quants, traders, and technology teams in an agile environment

Key Requirements

• Strong business knowledge of electronic trading, ideally eFX

• Proven experience building low‐latency, event‐driven algorithmic trading platforms

• Advanced Java expertise, including lock‐free and low‐garbage techniques

• Experience working with quant teams and implementing algorithmic models

• Familiarity with messaging protocols such as Aeron, Kafka, FIX, SBE, ITCH, OUCH

• Knowledge of time‐series databases (preferably KDB) and Python for analytics

• Full‐stack experience (React) is beneficial for building trader tools and dashboards

Additional Information

• Interview Process: Typically 2 stages — technical interview, system design, and team discussion

This role is advertised by Hays.