Senior C# Developer witch Fintech experrience

On behalf of our client – a global financial institution – we are looking for an experienced specialist for the position of Senior C# Developer.

You will join a distributed, international team responsible for the development of core systems in the areas of XVA, Liquidity, and Financial Resource Management. The project is currently at an exciting turning point – migrating to a modern, highly advanced event-driven architecture on the back-end side. The developed UI tools support the daily operations of hundreds of users in a dynamic market environment. We work in a collaborative, agile environment with a strong emphasis on clean code and software craftsmanship.

Required technical competencies:

• Deep understanding & experience: OOP, patterns, principles
• Deep understanding & experience: .NET C# and its ecosystem
• Deep understanding & experience: service-oriented architectures
• Deep understanding & experience: MS SQL
• Demonstrable experience: DevOps tools
• Understanding of LLM capabilities in software development; practical experience with agentic AI engineering in an enterprise environment

Nice to have:

• Web development experience: HTML, JavaScript / TypeScript, React, Redux

Conduct & attitude expectations:

• High autonomy combined with excellent teamwork skills
• Excellent communication, analytical, and organisational skills
• Attention to detail (especially under time pressure)
• Proactive, flexible approach to daily engineering challenges
• Motivation to work directly with front-office IT
• Integrity and discipline
• Role model supporting a culture of good conduct
• Proactivity, transparency, and accountability in managing conduct risks
• Considering the impact of decisions on colleagues, partners, and clients; escalation in case of doubts

Technical stack:

• C# .NET, Windows Services, ASP.NET Web API, SignalR
• Asynchronous message-driven communication (Rebus)
• MS SQL, ORM (Dapper)
• GIT (Bitbucket), TeamCity, Jenkins, Ansible

Functional / Financial knowledge:

• Expertise in at least 2 areas from: Financial products (Listed / OTC), PnL Explain, risks (Delta, Gamma, Theta, Vega...), XVA (CVA, FVA, ColVA...), Liquidity Risk (RNFB, NSFR...), Cash Forecasting, Balance Sheet Metrics (Leverage Exposure...), Pre-trade calculation and booking workflow