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# C# .NET Software Developer with FX

- **Company:** Nexus
- **Location:** London, United Kingdom
- **Experience:** Experienced
- **Salary:** £50,000 - £60,000
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), ASP.NET MVC Framework, C Sharp (Programming Language), Relational Databases, Financial Information EXchange, Microsoft SQL Server, Microsoft WebMatrix, Systems Integration, Information Technology
- **Published:** November 8, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/c-net-software-developer-with-fx/55407119

## About the Role

Minimum 3 years experience Microsoft web technologies ( C#, ASP.NET Core MVC )
Relational database experience (SQL Server)
Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors.
Ability to produce clean, well-written, fully tested production ready software.

Desirable skills :-
Knowledge of the FIX protocol
Knowledge of FX trade processing
Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given), Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role.

## Description

They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven trach record of developing with C# .NET ideally with some understanding FX projects.
The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team.
You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just 'making up the numbers'.
Initially reporting to the CTO, the successful candidate will become a key member of the global team.
There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents,
Responsibilities :-
Re-architecting and building the in-house middle office platform and integrating with a new trading platform.
Developing pricing toolsets
Integrating to external reporting/tradeflow and pricing APIs.
Maintaining the company's daily operation on the existing platforms.