Senior Contract C# Developer – FX Trading - £600/day - OUTSIDE IR35
We’re partnering with a leading global brokerage and trading firm to recruit an experienced Senior Contract C# Developer with prior FX experience. This is a high-impact role within a sophisticated trading environment, ideal for someone who thrives on complex systems and business-critical technology.
You’ll play a key part in shaping and delivering the firm’s technology strategy, working closely with stakeholders to translate business requirements into robust, scalable solutions.
Essential Skills & Experience
* Strong commercial experience with C#, .NET, MVC, SQL Server, and Git
* Prior FX / trading systems experience (essential)
* Passion for technology and its real-world application
* Strong interpersonal skills and a team-focused mindset
* Mathematically literate with a logical, analytical approach
Key responsibilities include:
* Designing, developing, testing, and deploying new features across the platform
* Interpreting business requirements and implementing solutions within defined designs
* Providing L3 support for in-house production systems
* Coordinating support responses for third-party systems and infrastructure
* Mentoring and supporting junior developers
* Staying ahead of emerging technologies and assessing opportunities and risks
Accountabilities
* End-to-end requirements gathering, interpretation, and implementation
* Full-stack development, including testing, debugging, and documentation
* Strong collaboration and communication across technical and business teams
* Continuous learning and improvement
This is an opportunity to work with a globally recognised trading firm on mission-critical systems, in a role that offers autonomy, technical challenge, and real influence.
Senior Contract C# Developer – FX Trading - £600/day - OUTSIDE IR35