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Senior Java Software Engineer

Intellect Group • 🌐 In Person

In Person Posted 6 days ago

Job Description

E-Trading Platform Developer (Contract – London, Hybrid)

Day Rate - £550-£600 (Inside IR35)

An opportunity for an experienced

Java Developer

to work on high-performance e-trading systems within Front Office environments.

This role focuses on low-latency engineering, JVM optimisation, and real-time problem-solving in complex capital markets systems.

Responsibilities

Design and build

low-latency Java applications

for trading and market connectivity.

Conduct

JVM tuning

,

Garbage Collector optimisation

, and

multithreading

to achieve peak performance.

Collaborate with quants, traders, and other engineers on real-time trading solutions.

Implement and enhance

event-driven architectures

using frameworks such as

LMAX Disruptor

,

Aeron

,

Gemfire

, or

Ignite

.

Engage in

low-level performance analysis

, including OS and network-level tuning.

Requirements

10+ years of Java development experience

, ideally within

Front Office or Capital Markets

.

Proven background in

low-latency design

and

high-throughput systems

.

Deep understanding of

JVM internals

,

concurrency models

, and

memory management

.

Knowledge of at least one asset class:

FX, Rates, Credit, or Equities

.

Strong communication skills and the ability to discuss performance challenges at a granular technical level.

Degree in Computer Science, Engineering, or a related field.

Desirable

Experience with

Coral Sequencer

,

GridGain

,

Hazelcast

, or

in-house messaging frameworks

.

Familiarity with

Linux profiling tools

and

lock-free data structures

.

Prior exposure to

real-time trading platforms

or

market data systems

.

Details

Contract

role (competitive day rate)

Hybrid working

, typically 3 days in London office

Focused, hands-on engineering environment working on mission-critical trading systems

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