Job Description

Contract Role - Senior FX e-Trading Java Developer - London/Hybrid - 12 months initial - Inside IR35 PAYE

Role Overview:

• Job Title: Senior FX e-Trading Java Developer
• Location: Hybrid - 4 days onsite per week in London
• Contract Type: Contract
• Duration: 12 months initial
• Rate: £ per day Inside IR35

About the role

• Contribute to a new, cutting-edge, low-latency FX e-trading platform - delivering high-performance, resilient, and secure systems.
• Partner closely with product, trading, and infrastructure teams to deliver features end-to-end-from UI and desktop container experiences to low-latency backend services.
• Lean into the latest AI coding tools to accelerate delivery, strengthen code quality, and enhance developer experience.

What you'll do

• Architect and implement scalable, event-driven, and microservices-based backend components, including APIs, market data, order/risk workflows, and real-time streaming.
• Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling.
• Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management.
• Mentor engineers through code reviews, design sessions, and hands-on pairing-encouraging thoughtful abstractions, clean architecture, and pragmatic delivery.
• Use AI development tools for assisted coding, refactoring, test generation, secure code analysis, documentation, and knowledge search-evaluating where AI accelerates while maintaining human oversight.
• Collaborate with stakeholders to translate trading requirements into robust technical designs; write clear specs and implementation plans.
• What we're looking for
• Professional software engineering experience, with deep expertise in:
• Core Java, multithreading/concurrency, performance tuning.
• Experience with low-latency design and patterns.
• Designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming).
• Strong understanding of computer science fundamentals (data structures, algorithms, concurrency, networking, OS).
• Proven experience in e-trading or real-time financial systems (FX highly desirable), including familiarity with market data, order flows, and execution workflows.
• Hands-on with CI/CD, containerization, cloud/on-prem deployments, and observability.
• Comfortable integrating AI coding tools into daily development workflows.
• Excellent communication and stakeholder engagement; able to lead initiatives and mentor others.

Nice to have

• Solace

Please feel free to contact myself - Daisy Nguyen at Gibbs Consulting/Atrium UK for a confidential chat to know more details about the role.

Please also note: Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.