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# C# .NET Developer- Brussels

- **Company:** Indeed Flex
- **Location:** London, UK
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Clean Code Principles, Unit Testing, C Sharp (Programming Language), Continuous Integration, Data Structures, Dependency Injection, Software Design Patterns, Graph Theory, Microsoft SQL Server, Mockito, Software Engineering, Multithreading
- **Published:** August 19, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/44495210/

## About the Role

multi-threaded approach, algorithm complexity, data structures, graph theory, etc.Experience with dependency injection, unit testing, object mocking,Solid experience of the Software LifecycleThis is a unique opportunity for someone to expand further into financial technology. You should be driven and interested to gain some serious financial vendor experience as well as taking on a volume of responsibility. As this is a niche sector expect a serious package as well as the autonomy to create new and unique solutions and the ear of the CTO and CEO of a global firm.My client is based in Central Brussels C# Fintech Life Insurance, SIPP WRAP ISA Pension Wealth Management Business Analysis BA PM Project Manager

## Description

from diverse backgrounds: IT & finance, male & female, various nationalities.Your primary role is to develop and maintain applications for the financial industry. Your role is:Writing clean, scalable, easy to understand, and maintainable code mainly in C#.Analysing and testing software before deployment.Close collaboration with team members including those in remote locations.Working autonomously on given tasks, proactively gathering requirements if needed.Improving company's build and deployment pipelines (CI/CD).Creating documentation of the developed components and processes.C# Developers must have:At least 5 years of proven track of record of software design and development.Advanced knowledge of C# and .NET platform with at least 3 years of experience.Experience with MS SQL Server.Outstanding analytical and problem-solving capabilities.Knowledge of design patterns and advanced programming techniques and ability to apply them.Knowledge of basic computer science, including


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