Software Engineer - FX

Location: London, United Kingdom

Rate: £600/day

Overview

We are seeking an experienced Software Engineer to build and enhance FX (Foreign Exchange) trading and risk platforms within a fast-paced Financial Services environment. You will develop resilient, low-latency services and data pipelines that support pricing, execution, post-trade processing, and regulatory reporting, working closely with Front Office, Quant, Risk, and Operations teams.

Key Responsibilities

• Design, develop, test, and support FX trading components, including pricing, order management, and trade lifecycle services.
• Optimise performance, latency, and throughput for real-time market data and execution workflows.
• Implement robust integration patterns (APIs, messaging, event-driven systems) across distributed services.
• Improve observability through logging, metrics, tracing, and proactive alerting; participate in on-call/support rotations where required.
• Collaborate with stakeholders to refine requirements, deliver iteratively, and ensure production readiness.
• Ensure secure coding practices and adherence to audit, change management, and SDLC controls.

Essential Skills & Experience

• Strong software engineering experience in Financial Services, ideally within FX, rates, or electronic trading.
• Proficiency in one or more of: Java, C++, C#, or Python, with sound OO design and testing discipline.
• Experience with low-latency systems, concurrency, and performance profiling/tuning.
• Knowledge of FX products (spot, forwards, swaps, NDFs) and trade lifecycle concepts.
• Hands-on experience with messaging and streaming (e.g., Kafka, JMS, AMQP) and REST/gRPC APIs.
• Strong SQL skills and experience with relational databases; familiarity with time-series or in-memory stores is beneficial.
• Experience with CI/CD pipelines, version control (Git), and automated testing (unit, integration, regression).
• Understanding of production operations: incident management, root cause analysis, and remediation.

Desirable

• Exposure to pricing/quant libraries, market data normalisation, and FIX or other trading protocols.
• Cloud and containerisation experience (e.g., Kubernetes, Docker) and infrastructure-as-code.
• Familiarity with regulatory requirements impacting trading technology and reporting.

What You’ll Bring

• Clear communication skills and the ability to work effectively with technical and non-technical stakeholders.
• A pragmatic approach to delivery, with strong attention to reliability, security, and quality.
• Ability to work independently, manage priorities, and contribute to continuous improvement.