MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where performance, robustness, and scalability are critical: real-time systems, low-latency architectures, and high-throughput data processing

Joining MARGO means working in demanding Front Office and Trading IT environments while benefiting from a human-sized structure, close follow-up, and tailor-made training paths.

You will join the FX Risk IT environment of a leading tier-1 investment bank. The team is responsible for designing and maintaining mission-critical systems supporting FX Cash (Forward, Swap, NDF) and FX Derivatives (Options, Carbon Offsets).

The environment is built around the Orchestrade vendor platform and involves close collaboration with traders, quants, and risk managers to deliver high-performance trading solutions.

We are looking for a Senior C# / .NET Developer with a strong technical background to lead the development and integration of FX trading solutions. While expertise in the Orchestrade platform is highly desirable, we are primarily seeking a high-caliber engineer who can master complex vendor APIs and provide technical leadership within a fast-paced, agile culture.

- Backend & Middleware: Strong understanding of SQL/RDBMS and messaging middleware. - Architecture : Solid grasp of service-oriented and micro-services design concepts.

Tier-1 Exposure: Work at the heart of FX Risk IT for a major global bank.

Technical Growth: Highly challenging assignments bridging vendor platform expertise and bespoke C# engineering.

Career Progression: Clear paths for technical leadership and architectural ownership.

Mentorship Culture: Benefit from and contribute to a high-quality peer-review and mentoring environment.

Please note: We do not offer visa sponsorship for this position.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.