Senior .NET Developer

Location: London (Hybrid - 3 Days Office)

Type: Permanent

The Role

Join a high-performing team to build a brand-new, greenfield electronic trading platform for Fixed Income. You will drive technical architecture, system design, and delivery using modern AWS cloud infrastructure and microservice design.

Key Responsibilities

• Lead technical design, architecture, and high-quality C# code delivery.

• Build scalable, real-time microservices and RESTful Web APIs.

• Maintain high test coverage (NUnit/Moq) and automated CI/CD pipelines.

• Collaborate with partner tech teams to scale platform performance.

Required Skills

• Core Tech: Strong C#, ASP.NET / .NET Core, Web APIs.

• Messaging: Hands-on experience with RabbitMQ (or TIBCO/SignalR).

• Cloud & Tools: AWS (EC2), Docker, Git/TeamCity.

• Concepts: Multithreading, async programming, SQL/NoSQL, automated testing.

Nice-to-Haves

• Fixed Income or electronic trading domain knowledge.

• Exposure to JavaScript frameworks (React/Angular) or broader AWS services.

Apply Now: Submit your CV for immediate consideration.

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.