Senior Java Engineer - Real-Time Trading Systems

Ocho People; Belfast; On-site; GBP 100,000 - 125,000; Full time

Job summary

A global trading firm is looking for a Senior Java Developer to be a part of their new engineering hub in Belfast. This position involves designing high-performance exchange connectivity systems and optimising JVM performance for real-time data synchronization across multiple exchanges. The ideal candidate should have extensive back-end development experience, proficiency in JVM tuning, and familiarity with AWS. This is a unique chance to influence the engineering culture and direction in a collaborative environment.

Benefits

Direct access to technical decision-makers

Flexibility and autonomy

Focus on technical excellence and continuous improvement

Qualifications

• 6-10+ years of experience in software engineering, ideally focused on back-end or distributed systems.
• Strong Computer Science fundamentals and sound software architecture instincts.
• Hands-on experience building and deploying systems in cloud environments.

Responsibilities

• Design and implement the exchange connector layer to interface with multiple external exchanges.
• Build real-time data synchronisation pipelines that ensure accuracy, speed, and operational robustness.
• Optimise JVM performance for throughput, latency, and reliability.

Skills

Back-end development

JVM performance tuning

AWS

Event-driven architectures

Collaboration

Education

Degree in Computer Science or related field

Tools

Kafka

Kinesis

Job description

A global trading firm is looking for a Senior Java Developer to be a part of their new engineering hub in Belfast. This position involves designing high-performance exchange connectivity systems and optimising JVM performance for real-time data synchronization across multiple exchanges. The ideal candidate should have extensive back-end development experience, proficiency in JVM tuning, and familiarity with AWS. This is a unique chance to influence the engineering culture and direction in a collaborative environment.