C# Developer - Front Office Investment bank

The Role

As a Senior C# Developer, you'll play a key role in designing, developing and enhancing enterprise-grade applications that support critical Front Office functions.

You'll contribute to the migration towards modern event-driven architectures while collaborating closely with business users and fellow developers to deliver robust, scalable solutions.

Key Responsibilities

• Design, develop and maintain high-quality C# .NET applications.
• Build scalable services within a modern event-driven architecture.
• Work closely with Front Office users to understand business requirements and deliver effective technical solutions.
• Contribute to architectural decisions and software best practices.
• Support continuous improvement across development, testing and deployment processes.
• Collaborate with international development teams in an Agile environment.
• Champion clean code, software craftsmanship and engineering excellence.

The ideal candidate will have

• Strong commercial experience with C# .NET and object-oriented programming principles.
• Excellent understanding of software design patterns and best practices.
• Strong experience building service-oriented or distributed systems.
• Advanced MS SQL development skills.
• Experience using DevOps and CI/CD tooling.
• Practical knowledge of AI-assisted software development, including enterprise use of Large Language Models (LLMs) and agentic AI engineering.
• Excellent analytical, communication and problem-solving skills.
• The ability to work both independently and collaboratively within Agile teams.
• A proactive approach with excellent attention to detail.

Financial Markets Knowledge

• Applicants should have experience in at least two of the following areas:
• Financial products (Listed and OTC)
• P&L Explain and market risk (Delta, Gamma, Theta, Vega)
• XVA (CVA, FVA, ColVA)
• Liquidity Risk (RNFB, NSFR)
• Cash Forecasting
• Balance Sheet Metrics (including Leverage Exposure)
• Pre-trade calculations and trade booking workflows

Desirable Skills

• Experience with modern front-end technologies would be advantageous, including:
• HTML
• JavaScript / TypeScript
• React
• Redux