Senior/Lead .NET developer with strong Azure

The client is building a component — an AI-powered platform optimizing the full field-work cycle of consultants, turning dispersed data into actionable business recommendations. The solution is built on a modular Azure architecture with a controlled RAG layer, ensuring full auditability, data sovereignty, and seamless integration with the client's existing technology ecosystem.

Requirements:

• Very strong .NET experience (.NET 8+ and C# at senior/lead level)

• Experience with Azure cloud environments: Entra ID (SSO, MFA, RBAC), Azure SQL, App Service or Container Apps, Blob Storage, Key Vault

• Docker, Terraform

• Integration experience: REST API and OpenAPI (documentation, contracts, versioning)

• Strong knowledge of SQL Server and EF Core (migrations, query optimization)

• Experience with data warehouses

• Application security: data isolation, encryption, auditability

• AI Tooling: Proficiency with tools like GitHub Copilot to maximize productivity and code quality

• Strong communication skills and ability to clearly articulate technical ideas

• Very good English (spoken and written)

Nice to have:

• Clean Architecture / CQRS, MediatR

• Polly (retry, circuit breaker) and external API integration

• Basic understanding of RAG and LLM APIs (session context, conversation history)

• xUnit, integration testing

• Angular — sufficient proficiency to design API contracts for frontend needs

Main responsibilities:

• Designing and delivering secure, scalable, and maintainable .NET 8+ / C# backend solutions within a cross-functional Agile team

• Building and maintaining REST APIs with full OpenAPI documentation, versioning, and contract-first design to support frontend and third-party integrations

• Working with Azure cloud services including Entra ID (SSO, MFA, RBAC), Azure SQL, App Service or Container Apps, Blob Storage, and Key Vault

• Implementing and maintaining data access layers using EF Core and SQL Server, including migrations, query optimization, and data warehouse integrations

• Ensuring application security best practices: data isolation, encryption, and auditability

• Contributing to infrastructure automation using Docker and Terraform

• Providing technical guidance, participating in solution design, and supporting architectural decisions across the team

• Troubleshooting and maintaining existing codebases, including components developed by other engineers

• Leveraging AI development tools (e.g. GitHub Copilot) to enhance productivity and code quality

• Documenting technical decisions, architecture, and progress in accordance with project and compliance requirements

• Preparing reliable estimates and taking full ownership of assigned deliverables

• Staying current with modern engineering practices and emerging technologies relevant to the stack

Tech stack:

• .NET v8+ and C#

• EF Core

• Azure: Entra ID (SSO, MFA, RBAC), Azure SQL, App Service or Container Apps, Blob Storage, Key Vault

• RestAPI and OpenAI

• SQL Server

• AI tooling