Senior Java Software Engineer

Senior Java Developer – High-Performance FX Trading

We’re working on behalf of a prestigious financial services organization to source a highly skilled Senior Java Developer with a strong background in building high-performance, low-latency trading systems. This is an exciting opportunity to contribute to the evolution of a world-class FX Matching Venue, within a dynamic and regulated environment.

The successful candidate will play a critical role in designing, developing, and optimizing cutting-edge FX trading platforms, while collaborating closely with cross-functional teams that include product leads, architects, and operations specialists.

Key Responsibilities:

Application Development:

Design, develop, and maintain high-performance FX Matching applications using Java.

Apply event-driven architecture principles to create scalable and responsive systems.

Conduct OS-level and Java performance tuning to meet the demands of high-frequency trading environments.

Collaboration & Technical Leadership:

Partner with product, architecture, and operational teams to deliver robust, compliant solutions.

Contribute to Agile workflows, including code reviews and mentoring junior developers.

Participate in troubleshooting, system optimization, and ensuring overall platform stability.

Quality Assurance & Process Improvement:

Drive the implementation of development best practices and maintain high-quality code standards.

Support CI/CD efforts and maintain automated test frameworks.

Promote secure coding practices and contribute to compliance and risk mitigation strategies.

Key Requirements:

Proven experience building high-performance systems for FX or similar financial trading applications.

Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Strong expertise in low-latency Java and/or C++ development.

Solid understanding of FIX and binary protocols (e.g., FIX 5.x).

Advanced knowledge of multi-threading, concurrency, and performance tuning in Java.

Hands-on experience with event-driven architectures and scalable system design.

Comfortable working in Linux environments and using CI/CD tools (Git, GitLab, Bamboo, BitBucket, SonarQube).

Exposure to application security tools such as Veracode, Coverity, or Blackduck is advantageous.

Candidate Profile:

Analytical thinker with strong problem-solving capabilities.

Excellent communicator, able to collaborate across both technical and business functions.

Self-motivated, proactive, and adaptable to fast-paced Agile environments.

Passionate about innovation and continuous improvement.

If you’re a results-driven developer with a keen interest in high-performance trading systems and you're ready to take on a challenging role with a global financial technology leader, we’d love to hear from you.

Contact Ciara Clarke at Harrington Starr for a confidential discussion on this role.