Principal .NET Backend Engineer

We are looking for an experienced Principal .NET Backend Architect to design, develop, and lead enterprise‑scale backend applications using ASP.NET Core, C#, Microservices, and Microsoft Azure.

Responsibilities

• Design and develop scalable backend applications using ASP.NET Core and C#.

• Architect cloud‑native microservices and distributed systems on Microsoft Azure.

• Design secure, high‑performance REST APIs and event‑driven applications.

• Lead architecture discussions, code reviews, and technical mentoring.

• Design and implement messaging solutions using Azure Service Bus.

• Troubleshoot production issues, perform RCA, and optimize application performance.

• Collaborate with DevOps teams on CI/CD, AKS deployments, and cloud infrastructure.

• Establish engineering standards, best practices, and architectural guidelines.

• Review AI‑generated code and ensure alignment with enterprise architecture standards.

Required Skills

• C#, .NET 8 / .NET Core

• ASP.NET Core Web API, Middleware, Dependency Injection, Background Services, SignalR, gRPC

• Microservices, Distributed Systems, Event‑Driven Architecture, Clean Architecture, SOLID, DDD, CQRS, API Gateway

• Azure App Services, Azure Kubernetes Service (AKS), Azure API Management, Azure Service Bus

• SQL Server, Azure SQL, Cosmos DB, Entity Framework Core, Dapper, Azure Redis Cache

• Azure Key Vault, Azure Blob Storage, Azure Monitor, Azure Application Insights

• Docker, Kubernetes, CI/CD, Azure DevOps, Terraform / Bicep

• JWT, OAuth2, OpenID Connect, Microsoft Entra ID, OWASP Top 10

• Performance optimization, multithreading, async programming, production debugging, RCA

Preferred Interview Topics

• System Design

• Microservices Architecture

• OOP & Design Patterns (Strategy, Factory)

• Dependency Injection

• ASP.NET Core Middleware

• Parallel File Processing

• Distributed Systems

• Azure Architecture

• Production Troubleshooting

• AI‑Assisted Development

Soft Skills

• Technical Leadership

• Solution Architecture

• Problem Solving

• Code Reviews & Mentoring

• Stakeholder Management

• Agile Delivery