Net developer

Randstad Technologies Recruitment; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Randstad Technologies Recruitment in London is seeking a Senior .NET Developer to join a greenfield electronic trading platform project. You will drive technical architecture, system design, and deliver high-quality C# code in AWS cloud and microservice architecture.

The role involves building real-time microservices, REST APIs, maintaining CI/CD pipelines, and collaborating with partner tech teams to scale performance. Hybrid work with 3 days in the office.

Qualifications

• Core Tech: C#, ASP.NET / .NET Core, Web APIs.
• Messaging: RabbitMQ experience (or TIBCO/SignalR).
• Cloud & Tools: AWS EC2, Docker, Git/TeamCity.
• Concepts: Multithreading, async programming, SQL/NoSQL, automated testing.

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.

Skills

C#

ASP.NET/.NET Core

Web APIs

RabbitMQ

SignalR

TIBCO

Docker

Git/TeamCity

AWS

EC2

Multithreading

Async programming

SQL/NoSQL

Automated testing

Tools

Docker

Git/TeamCity

AWS (EC2)

Job description

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.