Senior Software Engineer C#

Job Summary

A company is looking for a Senior Software Engineer C# to work on their Backend-for-Frontend service in their fintech platform.

Key Responsibilities

• Lead the design, development, and improvement of a high-load BFF service serving all frontend channels
• Collaborate with frontend, backend, DevOps, and architecture teams to define and deliver optimal APIs and data flows
• Drive modernization of service architecture, ensuring production reliability and performance

Required Qualifications

• At least 5 years of development experience in web applications and/or backend APIs using C#
• Strong knowledge of Object-Oriented Design principles and experience with design patterns
• Experience with microservices architecture and data modeling, particularly with MS SQL Server
• Expertise in writing unit and integration tests using frameworks such as NUnit and xUnit
• Tech lead experience in complex projects, including refactoring legacy codebases and implementing architectural decisions