C# senior

Margo is looking for a Senior C# Developer to join the Non-Linear IT team within Global Markets IT. You will be responsible for building and maintaining core applications that support XVA, liquidity, and financial-resource management in a collaborative, agile environment.

Key responsibilities

• Design and develop high-performance C#/.NET services for XVA, liquidity, and cash-forecasting workflows.
• Contribute to the migration of back-end services to a modern, event-driven architecture.
• Implement asynchronous, message-driven communication and ensure data integrity.
• Participate in full-cycle DevOps processes, including CI/CD pipelines and configuration management.
• Provide technical mentorship, conduct code reviews, and champion best-practice patterns like SOLID and clean architecture.

Requirements

• Over 5 years of professional experience with C#/.NET, including ASP.NET Web API and SignalR.
• Strong command of Object-Oriented Programming, design patterns, and SOLID principles.
• Proven experience with service-oriented architectures and asynchronous messaging.
• Advanced knowledge of MS SQL and hands-on experience with DevOps tools such as Git, TeamCity, and Ansible.
• Excellent communication skills in English at a C1 level.

What we offer

• Stable employment within an international company.
• Fully paid private medical care and life insurance.
• Employee Pension Plan and pre-paid lunch card.
• Co-financed Multisport card and remote work expense allowance.
• Access to professional training and development opportunities.