Senior Java Engineer - Trading Platform, Low-Latency

CoinDesk; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

CoinDesk in the United Kingdom seeks a Java Developer to enhance the performance of its trading systems. The role involves designing reliable, low-latency code and improving system stability through automation in a collaborative environment.

The ideal candidate will have strong Java fluency, experience in performance tuning, and proficiency in agentic AI development. CoinDesk values diversity and provides accommodations for individuals with disabilities.

Qualifications

• Strong Java (17+) fluency with experience in performance tuning.
• Track record of designing and building systems for high throughput and low latency.
• Hands‑on experience with agentic AI development: LLM integration, prompt engineering, and SDLC automation.

Responsibilities

• Design and deliver reusable, reliable, low-latency Java code.
• Raise the bar on code quality, organization, and automation.
• Profile and resolve performance bottlenecks.

Skills

Java (17+)

Performance tuning

Systems design

LLM integration

Spring or Micronaut

Docker

Kubernetes

Testing methodologies

Tools

Chronicle Queue

RabbitMQ

Aeron

Kafka

Job description

CoinDesk in the United Kingdom seeks a Java Developer to enhance the performance of its trading systems. The role involves designing reliable, low-latency code and improving system stability through automation in a collaborative environment.

The ideal candidate will have strong Java fluency, experience in performance tuning, and proficiency in agentic AI development. CoinDesk values diversity and provides accommodations for individuals with disabilities.