Backend .NET Developer

Role: Backend .NET Developer

Location: Westchester, IL – 3 days onsite – 2 days remote

Contract Job

Important notes:

• Need only local consultants
• Don’t submit senior candidates we need doers with real-time hands-on experience.
• NO FRONT-END DEVELOPERS.
• Interview : There will be 2 In-person interviews
• Look for candidate with Kafka experience. Candidate with Kafka will have an edge
• STRONG SQL

Duration: 6 months

Job description:

High level JD:

We are seeking skilled .NET Developer with strong experience in Microsoft Azure integration services to design, develop, and maintain scalable, cloud-based applications.

The ideal candidate will have expertise in .NET technologies and hands-on experience implementing integrations using Azure services, APIs, and messaging systems.

1. 5–8+ years of experience in .NET development with experience in Azure & event driven architecture using Kafka.
2. Strong experience with C#, MVC.NET,  .Net Core, Web API, jQuery , Type Script
3. Hands-on experience with Azure cloud services and integrations
4. Experience with REST APIs, JSON, and microservices architecture.
5. Experience with SQL Server & Entity Framework
6. Experience with Azure Integration Services (Logic Apps, Function Apps, Service Bus, API Management).
7. Experience with Service Bus (must have)
8. Experience with Kafka is highly preferred
9. Experience with event-driven systems and message queues.
10. Experience with building and managing secure, scalable integrations between cloud and on-prem systems.
11. Strong analytical skills & able to monitor and troubleshoot applications using Application logs, Application Insights etc.
12. Good Team player & able to work independently
13. Participate in Agile/Scrum ceremonies and contribute to sprint planning.
14. Knowledge of containerization tools (Docker, Kubernetes) (Nice to have)

Key Responsibilities

Application Development

1. Design, develop, and maintain applications using .NET / .NET Core / ASP.NET Core.
2. Write clean, scalable, and high-performance code following best practices.
3. Develop RESTful APIs and microservices architecture.

Azure Integration

1. Design and implement integrations using Azure Integration Services, including:
   • Azure Logic Apps
   • Azure Functions
   • Azure Service Bus
   • Azure Event Grid
   • Azure API Management
2. Build and manage secure, scalable integrations between cloud and on-prem systems.
3. Develop and maintain messaging and event-driven architectures.
4. System Integration & APIs
5. Integrate third-party systems, enterprise applications, and internal services.
6. Implement API-first design principles and manage API lifecycle.
7. Ensure secure authentication and authorization (OAuth, Azure AD, JWT).

Cloud & DevOps

1. Deploy and manage applications in Azure using services such as:
   • Azure App Services
   • Azure Kubernetes Service (AKS) (nice to have)
   • Azure Storage
2. Implement CI/CD pipelines using Azure DevOps / GitHub Actions.
3. Monitor and troubleshoot applications using Azure Monitor, Application Insights.

Database & Data Handling

1. Work with relational and non-relational databases (SQL Server, Cosmos DB).
2. Design and optimize database schemas, queries, and data flows.

Testing & Debugging

1. Perform unit testing, integration testing, and debugging.
2. Ensure code quality through code reviews and automated testing.

Collaboration

1. Work closely with architects, business analysts, and product managers.
2. Participate in Agile/Scrum ceremonies and contribute to sprint planning.

Required Qualifications

1. 7–8+ years of experience in .NET development.
2. Strong experience with C#, ASP.NET Core, Web API.
3. Hands-on experience with Azure cloud services and integrations.
4. Experience with REST APIs, JSON, and microservices architecture.
5. Proficiency in SQL Server and database design.

Preferred Qualifications

1. Experience with Azure Integration Services (Logic Apps, Service Bus, API Management).
2. Knowledge of containerization tools (Docker, Kubernetes).
3. Experience with event-driven systems and message queues.
4. Familiarity with Infrastructure as Code (ARM templates, Terraform).
5. Certifications such as:
   • Microsoft Certified: Azure Developer Associate
   • Microsoft Certified: Azure Solutions Architect

Key Skills

1. C#, .NET Core, ASP.NET Core
2. Azure Integration Services
3. API development and integration
4. Cloud architecture and deployment
5. Microservices and distributed systems
6. DevOps and CI/CD