Backend .NET Developer

Fives DyAG Corp.; Atlanta (GA); Hybrid; USD 83,000 - 96,000; Full time

Job summary

NTT DATA is seeking a Mid-to-Senior Backend .NET Developer with strong C#, ASP.NET Core, GraphQL, and SQL Server experience for a hybrid role in Atlanta, GA. This 9+ month contract requires collaboration with architects, frontend, QA, DevOps, and Product teams to deliver secure, scalable backend services.

Responsibilities include designing APIs, data access, CI/CD via GitLab, and cloud integration with Azure.

Qualifications

• 6+ years of backend development with C# and ASP.NET Core.
• 3+ years with EF Core, SQL Server, and query optimization.
• 2+ years building GraphQL APIs.
• 2+ years Docker, Kubernetes/Helm, GitLab CI/CD and cloud delivery.
• Experience with Azure AD/Entra ID authentication.

Responsibilities

• Design, develop, test, and maintain backend apps with C# and ASP.NET Core.
• Design scalable APIs using GraphQL and modern practices.
• Develop data-access with Entity Framework Core.
• Tune SQL Server 2019/2022 and write complex queries.
• Apply Clean Architecture, repository patterns, and DI.
• Create unit and integration tests.
• Containerize with Docker and deploy to Kubernetes via Helm.
• Implement CI/CD pipelines with GitLab.
• Integrate Azure services including Azure SQL and Entra ID auth.
• Perform code reviews and performance optimizations.
• Collaborate with DevOps for deployment automation.
• Troubleshoot production issues and root-cause analysis.

Skills

C#

ASP.NET Core

Entity Framework Core

GraphQL

SQL Server

API Development

Dependency Injection

Clean Architecture

Repository Pattern

Docker

Kubernetes

Helm

GitLab CI/CD

Azure

Azure AD/Entra ID

Visual Studio Code

Tools

Docker

Kubernetes

Helm

GitLab CI/CD

Azure

Azure AD/Entra ID

Visual Studio Code

Job description

Backend .NET Developer - 26-02249

Hybrid/Onsite in Atlanta, GA

9+ Months Duration

Temp W2 or C2C

*Local Candidates Only / No Relocation

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.

About NTT DATA

Where required by law, NTT DATA provides a reasonable range of compensation for specific roles.

The starting hourly range for this remote role is $60 to $70.

This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate's actual work location, relevant experience, technical skills, and other qualifications. This position may also be eligible for incentive compensation based on individual and/or company performance.

This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include medical, dental, and vision insurance, flexible spending or health savings account, life, and AD&D insurance, short-and-long-term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally required benefits.

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com

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