Backend .NET Developer

*Local Candidates Only / No Relocations

Job Description:
Job Title: Technology Consultant Backend .NET Developer
Location: Atlanta, Georgia, Hybrid 3 days work from Office
Overall Experience: 7-10 Years
Employment Type: Contract/Permanent
Role Summary

• NTT DATA is seeking an experienced Mid-to-Senior Backend .NET Developer with strong expertise in modern backend application development and cloud-native DevOps practices. The ideal candidate should have hands-on experience with C#, ASP.NET Core, Entity Framework Core, GraphQL, and SQL Server, along with a strong understanding of scalable application architecture and API development.
• The role requires close collaboration with architects, frontend developers, QA, DevOps, and Product teams to design and deliver secure, maintainable, and high-performing backend services.

Day to Day Job Duties

• Design, develop, test, and maintain backend applications using C# and ASP.NET Core.
• Design and develop scalable APIs using GraphQL and modern API development practices.
• Develop data-access components using Entity Framework Core.
• Design and optimize solutions using SQL Server 2019/2022.
• Develop complex SQL queries and perform database performance tuning and query optimization.
• Implement applications following Clean Architecture principles and software engineering best practices.
• Develop reusable repository and service layers using appropriate design patterns.
• Implement and manage Dependency Injection (DI) across application components.
• Develop unit and integration tests to ensure application quality and reliability.
• Containerize applications using Docker and support deployments to Kubernetes using Helm.
• Build and maintain automated build, test, and deployment workflows using GitLab CI/CD.
• Integrate applications with Microsoft Azure services, including Azure SQL and Azure AD/Entra ID authentication.
• Participate in code reviews, technical design discussions, troubleshooting, and performance optimization.
• Collaborate with DevOps teams to improve deployment automation and cloud-native delivery practices.
• Troubleshoot application and production issues and perform root cause analysis.

Basic Qualifications

• 6+ years of experience in C#, ASP.NET Core, and backend application development.
• 3+ years of experience with Entity Framework Core, SQL Server, database design, and query optimization.
• 2+ years of hands-on experience developing and integrating GraphQL APIs.
• 2+ years of experience with Docker, Kubernetes/Helm, GitLab CI/CD, and cloud-native application delivery.
• Core Technical Skills
• Backend: C#, ASP.NET Core
• API: GraphQL
• ORM: Entity Framework Core
• Database: SQL Server 2019/2022
• Architecture: Clean Architecture, Repository Pattern, Service Pattern, Dependency Injection
• Containers: Docker, Kubernetes, Helm
• DevOps: Git, GitLab, GitLab CI/CD
• Cloud: Microsoft Azure, Azure SQL
• Identity: Azure AD/Entra ID Authentication
• Development Tools: Visual Studio Code

Nice to Have

• Strong understanding of Clean Architecture, SOLID principles, and enterprise design patterns.
• Experience building high-volume and scalable backend services.
• Knowledge of REST APIs in addition to GraphQL.
• Experience with authentication and authorization using Azure AD/Entra ID, OAuth 2.0, or OpenID Connect.
• Experience with Kubernetes deployment and troubleshooting.
• Knowledge of Helm charts and Kubernetes configuration management.
• Experience implementing automated unit, integration, and API testing.
• Familiarity with application monitoring, logging, and observability.
• Experience with Azure-native application deployment and managed services.
• Understanding of secure coding and cloud security best practices.
• Strong analytical, troubleshooting, communication, and problem-solving skills.