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Cross Atlantic Partners

Senior C# Engineer

Hybrid

London, United kingdom

Senior

Freelance

04-11-2025

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Skills

C# SQL NoSQL Risk Management Programming Databases .NET Kafka Microservices

Job Specifications

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.

About the Company

Mission Statement: To deliver comprehensive talent solutions and consulting services that empower financial services and technology organizations worldwide, connecting exceptional professionals with transformative opportunities while providing flexible staffing models that drive innovation, efficiency, and growth across global markets. Core Services: -Executive & Confidential Searches -Full-Time Talent Acquisition -Consultant-to-Hire Solutions -Offshore/Nearshore Team Access -Dedicated Project Consultants -Flexible Staffing ... Know more