C# .NET Software Developer with FX

Job Reference: NJ0372Date Posted: 24 September 2026Recruiter: Nexus Jobs LimitedLocation: City LondonSalary: 50,000 to 60,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionC# .NET Software Developer with FXOur Client is a niche boutique broker specialising in FX.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 toolsetsIntegrating to external reporting/tradeflow and pricing APIs.Maintaining the company’s daily operation on the existing platforms. Essential skills :- 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 protocolKnowledge of FX trade processingBasic 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.The Client is based in the City of London.The salary for this role will be 50K - 60K.Please do send your CV to us in Word format along with your salary and availability.