Principal .Net Backend Developer

The NineHertz; Gurugram District; On-site; INR 4,000,000 - 8,500,000; Full time

Job summary

The NineHertz is seeking an experienced Principal .NET Backend Architect to design and lead enterprise-scale backend applications built on ASP.NET Core, C#, and microservices. The role focuses on distributed systems, cloud-native Azure architecture, system design, performance optimization, and technical leadership.

You will design secure REST APIs, implement messaging with Azure Service Bus, and guide DevOps for CI/CD and AKS deployments.

Qualifications

• 8 years of experience in backend development or architecture.
• Strong expertise in ASP.NET Core, C#, and microservices.
• Proven track record in designing enterprise-scale distributed systems.
• Experience with cloud-native architecture on Azure.
• Ability to lead architecture discussions and provide technical mentorship.
• Experience with secure, high-performance REST APIs and messaging.

Responsibilities

• Design and develop scalable backend applications using ASP.NET Core and C#.
• Architect cloud-native Microservices and Distributed Systems on Azure.
• Design secure, high-performance REST APIs and event-driven apps.
• Lead architecture discussions, code reviews, and mentoring.
• Implement messaging with Azure Service Bus.
• Troubleshoot production issues, perform RCA, optimize performance.
• Collaborate with DevOps on CI/CD, AKS deployments, and cloud infra.
• Establish engineering standards and architectural guidelines.
• Review AI-generated code for alignment with enterprise standards.

Skills

C#

.NET Core

ASP.NET Core Web API

Microservices

Distributed Systems

Azure

REST APIs

Azure Service Bus

CI/CD

Docker

Kubernetes

Security

DDD

CQRS

Tools

Azure AKS

Azure App Services

Azure API Management

Cosmos DB

Entity Framework Core

Dapper

SQL Server

Redis

Job description

Job Summary

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. The ideal candidate should have strong expertise in distributed systems, cloud-native architecture, system design, performance optimization, and technical leadership.

Principal .NET Backend Developer

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. The ideal candidate should have strong expertise in distributed systems, cloud-native architecture, system design, performance optimization, and technical leadership.

Experience Required: 8 Years

Key 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

Backend Technologies & Architecture

Backend Technologies

• C#, .NET 8 / .NET Core
• ASP.NET Core Web API
• Dependency Injection
• Middleware Pipeline
• Background Services
• SignalR
• gRPC

Architecture

• Microservices
• Distributed Systems
• Event-Driven Architecture
• Clean Architecture
• SOLID Principles
• Design Patterns
• DDD
• CQRS
• API Gateway

Azure & Database

Azure

• Azure App Services
• Azure Kubernetes Service (AKS)
• Azure API Management (APIM)
• Azure Service Bus
• Azure Key Vault
• Azure Blob Storage
• Azure Redis Cache
• Azure Monitor
• Azure Application Insights
• Azure DevOps

Database

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

DevOps & Security

DevOps

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

Security

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

Technical Expertise

Candidates Should Have Hands-on Experience With

• ASP.NET Core Request Pipeline
• Dependency Injection & Service Lifetimes
• System Design & Architecture
• High-Performance APIs
• Multithreading & Async Programming
• Performance Optimization
• Production Debugging & RCA
• Azure Service Bus Messaging
• Distributed Tracing & Monitoring
• Dapper vs Entity Framework Core
• Rate Limiting & Caching
• Authentication & Authorization

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

Skills: .net core,asp.net core,devops,architecture,.net