.Net Developer

Cyma Systems Inc; Mechanicsburg (Cumberland County); On-site; USD 120,000 - 180,000; Full time

Job summary

Cyma Systems Inc. is seeking a hands-on Senior Azure .NET Developer to design, build, and support large-scale, production-grade cloud applications on Azure. You will work across APIs, microservices, and frontend integration using Blazor and ASP.NET Core.

You will apply DDD, TDD, SOLID principles and leverage testing frameworks to ensure robust solutions. A strong focus on cloud networking, security, and scalable deployments is essential for success.

Qualifications

• 5+ years of Azure-native application development.
• Advanced C# with async programming and multithreading.
• ASP.NET Core Web APIs and microservices.
• Blazor frontend development.
• DDD, TDD, SOLID and architectural design patterns.
• bUnit, NUnit, xUnit or MSTest.
• Azure VNet, Private Endpoints, Firewall, Front Door and WAF.
• App Gateway, APIM, Web Apps and Container Apps.
• Azure Container Registry, Cosmos DB, Azure SQL and caching.
• Docker/Podman, AKS and Kubernetes.
• OpenAPI, Swagger and Postman.

Responsibilities

• Hands-on development of large-scale Azure-native cloud applications.
• Support and improve production-grade cloud solutions.
• Collaborate with teams to design scalable architectures and APIs.

Skills

Azure-native development

C# advanced

ASP.NET Core Web APIs

Blazor frontend

DDD

TDD

SOLID principles

unit testing frameworks

Azure networking

App Gateway & APIM

Azure services (Cosmos DB, SQL)

Docker/Podman

Kubernetes (AKS)

OpenAPI/Swagger/Postman

Tools

Docker/Podman

AKS

Kubernetes

OpenAPI/Swagger/Postman

Job description

Senior Azure .NET Developer - W2 Only

We’re looking for a hands-on Azure .NET professional experienced in building and supporting large-scale, production-grade cloud applications.

Required Skills

• 5+ years of Azure-native application development
• Advanced C# with async programming and multithreading
• ASP.NET Core Web APIs and microservices
• Blazor frontend development
• DDD, TDD, SOLID and architectural design patterns
• bUnit, NUnit, xUnit or MSTest
• Azure VNet, Private Endpoints, Firewall, Front Door and WAF
• App Gateway, APIM, Web Apps and Container Apps
• Azure Container Registry, Cosmos DB, Azure SQL and caching
• Docker/Podman, AKS and Kubernetes
• OpenAPI, Swagger and Postman

Nice to have: Azure DevOps CI/CD, YAML, Bicep, DAG/RETE patterns, Dapr, .NET Aspire and Microsoft Orleans.