Senior .NET Developer

Location: London (Hybrid - 3 Days Office)

Process: Quick 2-Stage Interview

The Role

Client is hiring a Senior .NET Developer to build a brand-new, greenfield electronic trading platform for Fixed Income. You will drive architecture and design for a high-throughput, low-latency transaction processing engine hosted on AWS.

Key Responsibilities

• Lead technical design, system architecture, and C# code delivery.
• Build low-latency, real-time microservices and RESTful Web APIs.
• Implement multithreaded and asynchronous processing for high-volume data streams.
• Maintain high test coverage (NUnit/Moq) and automated CI/CD pipelines.

Requirements

• Core Tech: Strong C#, ASP.NET / .NET Core, Web APIs.
• Real-Time Data: Solid experience in multithreading, asynchronous programming, and low-latency/high-throughput processing.
• Messaging: Hands-on experience with RabbitMQ (or TIBCO/SignalR).
• Cloud & Tools: AWS (EC2), Docker, Git/TeamCity, SQL/NoSQL.

Nice-to-Haves

• Fixed Income or electronic trading domain knowledge.
• Exposure to JavaScript frameworks (React/Angular) or wider AWS services.

Apply Now: Submit your CV for immediate consideration. Fast 2-stage interview process!

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.