Senior .NET Developer

Marcus Donald People
September 20, 2022
Home-based, United Kingdom
Job Type
£550 - £650 per day, Benefits: Inside IR35


Marcus Donald are currently looking for a Senior Dotnet Developer (C#) to join a popular Financial Trading company, to help our client improve their existing trading platform.

NOTE: Experience within the Financial services / Trading sector is NOT required.
This is NOT a Greenfield project. This is a bug fixing/improvements kind of a job. Mainly BAU.

* 100% Remote Working / Home Based *
** Inside IR35 / £550-£650 per day **

Senior Dotnet Developer (C#) – Pros of the Job/Company:

  • There is no pressure to deliver quickly
  • You will learn how a trading system works (from the kitchen)
  • You’ll be working on a distributed system
  • You’ll be working on a system where low latency is important - analysing latency and improving it
  • Opportunity to learn the trading domain
  • You’ll be working on a system that is handling 80,000 requests after throttling
  • Working on a core system - means that this position is stable and safe
  • Small, well-defined tasks

Senior Dotnet Developer (C#) – Cons of the Job/Company:

  • This is more a bug fixing/small improvements work
  • Working on a system that is not well understood
  • Working on a complex system
  • Lack of documentation
  • Often working on your own - you are the only person working on a given task

About the trading platform:
It is a complex distributed system comprised of over 100 separate components, exchanging asynchronous messages (and data) over web sockets and streams over web sockets. This system is not easy to understand for a majority of developers

Senior Dotnet Developer (C#) – Technical:

  • At least 4 years of C# language
  • Profound knowledge in .NET
  • Hands-on experience with Entity Framework, ASP.NET
  • Unit testing and mocking
  • Agile development experience

Senior Dotnet Developer (C#) – Desired:

  • Experience with AWS
  • Docker & Kubernetes

We haven’t to date been very successful in identifying the right person for this role therefore, I thought a direct and detailed approach, by way of including pros and cons would be helpful.

Should you want to discuss further prior to applying please email ( or connect on LinkedIn. FULL job description available to be digested further.

Related Jobs

Senior Threat & Response Specialist   Hampshire, United Kingdom
September 14, 2023
Java Developer   Remote work, Ireland
September 4, 2023
Java Developer   Remote work, Ireland
August 7, 2023
Senior Infrastructure Engineer   Cannon Street, United Kingdom
August 4, 2023
Senior Infrastructure Engineer   Cannon Street, United Kingdom
August 4, 2023

Quick Drop CV

Scroll to Top