Senior Back End Developer (C#)
Core
Senior backend engineer leading complex feature delivery and microservices migration for a mission-critical online banking platform serving 400+ financial institutions.
Role type
Senior IC backend developer (C#/.NET)
Builds
Core services for online banking platform, microservices, and AI-driven developer productivity tooling
Domain
FinTech, Cloud Architecture, Banking
Deliverable
production ML models | product features
Required skills
C# .NET Core, MS SQL Server, Microservices architecture, API design, Unit & integration testing, CI/CD, OOD principles, AI-assisted development tools
Preferred skills
Integrating LLM/AI features (agents, RAG), Modernizing legacy systems, Leading technical trade-offs
Technologies
C#, .NET Core, .NET Framework 4.8, MS SQL Server, RabbitMQ, REST, GitHub Copilot, Cursor, Claude Code, ChatGPT, NUnit, xUnit, FluentAssertions, Moq
Responsibilities
Lead design and delivery of complex features from ideation to production, Drive automated test coverage, Own and evolve code including microservices architecture, Modernize legacy functionality, Investigate issues and deliver safe fixes, Produce clear API documentation, Share knowledge to improve team practices
Seniority
Senior, hands-on IC