Senior C# Developer - London - ref. t00375119

Overall purpose of the job:

• FIX Connectivity & OMS Integration: Design, develop, and maintain FIX connections and OMS integrations to facilitate real-time trade execution, order management, and post-trade workflows. Implement secure, low-latency connections with various trading venues and brokers, ensuring robust message handling and failover mechanisms.
• Application Architecture & Design: Lead the design and architecture of critical components for data consumption, distribution, and analytics. Conduct design reviews, propose innovative solutions, and drive best practices in software engineering.
• Cross-Team Collaboration: Partner with traders, portfolio managers, and risk managers to understand front-office requirements and enhance end-to-end trade flows. Liaise with other IT teams (Market Data, Infrastructure, Risk, etc.) to ensure seamless data exchange and system interoperability.
• Performance & Monitoring: Implement robust monitoring, logging, and alerting solutions to ensure timely detection and resolution of FIX and OMS-related issues. Conduct performance tuning and optimization of integration components to minimize latency and maximize throughput.
• Mentorship & Leadership: Mentor junior team members, promoting knowledge sharing and professional growth. Contribute to strategic technology roadmaps and champion the continuous improvement of development processes.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related field.

• Extensive Programming Experience: Minimum of 6 years of professional experience, with the majority in C# or Java, particularly in high-performance and real-time environments.
• FIX Protocol & OMS Expertise: Proven background in implementing and supporting FIX-based connectivity and OMS integrations, including message routing and exception handling.
• React & TypeScript: Experience building and maintaining React-based applications using TypeScript (including state management libraries and associated tooling).
• Database Skills: Proficient in relational databases (e.g. SQL Server) and familiarity with other database types (e.g. Redis).
• DevOps & CI/CD: Understanding of modern DevOps practices, including version control (Git), build pipelines, containerization (Docker/Kubernetes), and cloud services (AWS).

• Financial Products: Familiarity with interest rate products, bonds, equities, FX, or derivatives.
• Messaging Technologies: Hands-on experience with message-oriented middleware (e.g. RabbitMQ) for streaming data.
• Quantitative Skills: Basic understanding of quantitative models, time-series analysis, or pricing libraries.
• Soft Skills: Strong communication, presentation, and interpersonal skills to collaborate effectively with other teams.

• Competitive salary
• Relocation assistance and visa sponsorship
• Private medical insurance
• Life assurance
• Corporate gym membership (and a complimentary wellness space in our London office)
• Employee restaurant with free breakfast, lunch and dinner