London, UK (Hybrid - 2 days/week on-site) Permanent or Contract | £1,200-£1,500 Daily Pay

Our leading multi-strategy hedge fund client with global presence, managing alternative investments across diverse catalyst-driven absolute return strategies. We leverage sophisticated technology and quantitative approaches to target alpha in global markets.

IMPORTANT: ONLY APPLY IF YOU HAVE EXPERIENCE WITH TRADING PLATFORM SUCH AS ORCHESTRADE, MUREX, CALYPSO, CHARLES RIVER, OR SIMILAR TRADING SYSTEMS.

The Role

We're seeking an experienced Senior C# Developer to architect and build enterprise-grade trading and risk management systems.

You'll design robust middle-tier solutions for high-frequency trading environments, working directly with traders, portfolio managers, and quants to understand complex financial products and translate requirements into scalable systems.

Technical Skills:

• 7+ years of professional C# and .NET development experience

• Deep expertise in distributed systems and messaging architectures (Kafka, RabbitMQ, TIBCO, or equivalent)

• Solid understanding of architectural patterns: microservices, event sourcing, domain-driven design

• Proficiency with SQL and NoSQL databases in high-volume environments

• Strong async/await, multi-threading, and concurrent programming skills

Domain Knowledge:

• Deep understanding of financial products: equity derivatives, fixed income instruments, structured products

• Knowledge of trade lifecycle, pricing models, risk calculations, and market data handling

• Experience working directly with trading systems (not just data transfer/ETL roles)

• Understanding of how products are structured, priced, and mature throughout their lifecycle

Working Arrangement

• Hybrid role: Minimum 2 days per week in London office

• Core hours overlap with US trading hours for London-based employees

• Regular video calls with distributed team members

• On-site collaboration with business users and stakeholders

Please apply with an up to date resume for immediate consideration.