Senior C#/.NET Backend Consultant

Company: Trigyn Technologies
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Job Description:

Job Description:

Background and ContextThe organization is undertaking the design, development, and modernization of backend services and integration components built on Microsoft Azure and modern .NET technologies.To support these initiatives, a senior-level backend consultant is required to provide hands-on delivery, rapid prototyping, and production-grade engineering expertise.

Objective of the ConsultancyThe objective of this consultancy is to provide senior backend engineering expertise for the design, implementation, and stabilization of cloud-native backend services using C# and .NET, with strong emphasis on Azure-native architecture, data access using LINQ, AI-enabled capabilities, and automated testing.

Scope of WorkThe consultant will perform the following activities:– Design and develop backend services using C# and modern .NET versions (6/7/8+).– Design and implement REST APIs with secure authentication, validation, and documentation.– Develop Azure-first solutions using services such as App Service, Azure Functions, Storage, Azure SQL or Cosmos DB, Key Vault, and Application Insights.– Apply advanced LINQ and Entity Framework Core techniques for efficient and scalable data access.– Implement integration and messaging patterns where required, including event-driven architectures.– Deliver rapid prototypes and evolve them into production-ready solutions.– Design and implement unit tests and integration tests and integrate them into CI/CD pipelines.– Support deployments, troubleshooting, and operational readiness across environments.

Expected deliverables include:– Backend services and APIs implemented according to agreed requirements.– Rapid prototypes or proof-of-concepts, followed by hardened production solutions.– Automated unit and integration tests with evidence logged in the delivery platform.– Technical documentation, including API documentation and architectural notes.– Demonstrations of completed features per agreed milestone.

The consultant should meet the following requirements:– Advanced degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience.– Senior-level experience in backend development using C# and .NET.– Strong expertise in LINQ and Entity Framework Core.– Proven hands-on experience with Microsoft Azure backend services.– Experience designing and implementing unit and integration testing strategies.– Experience integrating AI capabilities using Azure OpenAI and/or Azure AI services is an advantage.– Experience working in Agile environments and delivering as an external consultant.

Posted: March 21st, 2026