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Senior .NET Developer

VST Consulting, IncPhoenix, AZ🇺🇸United StatesPosted Oct 8, 2026

Quick Overview

Salary
$45 - $55/hr
Seniority
Mid Senior
Work mode
Remote
Location
Phoenix, AZ, United States
Posted
Yesterday
DockerMicroservicesSQLSQL ServerAWSC#.NETASP.NETKubernetesPhoenixREST

Job Description

Role Name : Senior .NET Developer
Location: Phoenix, AZ (Candidates must be based in or around Phoenix, AZ)
Rate: $45 - 55/hr on W2
Experience : 8+
Employment Type: W2
Visa: Open to all W2 candidates; OPT candidates are welcome
Work Arrangement: Primarily remote, with in-office attendance required for a few days during the initial months for onboarding, training, and collaboration with the project team.

Job Description:

We are seeking an experienced Senior .NET Developer with strong expertise in C#, .NET Core, microservices architecture, and AWS cloud services. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend applications, RESTful APIs, and cloud-native solutions. Candidates must be located in or around Phoenix, AZ and be available to work from the office for a few days during the initial months as required by the project team.

Key Responsibilities:

  • Design, develop, test, and maintain scalable .NET applications and microservices.

  • Build, integrate, and maintain RESTful APIs and web services.

  • Deploy, configure, and manage applications using AWS cloud services.

  • Develop reliable backend solutions using C#, .NET Core, and ASP.NET Core.

  • Work with SQL Server and other relational databases to support application functionality and data management.

  • Collaborate with cross-functional teams to understand requirements and deliver high-quality software solutions.

  • Participate in code reviews, unit testing, debugging, and application performance optimization.

  • Troubleshoot production issues and provide ongoing application support.

  • Follow software development best practices and contribute to scalable, maintainable application architecture.

Required Qualifications:

  • 8+ years of software development experience.

  • Strong expertise in C#, .NET Core, and ASP.NET Core.

  • Hands-on experience designing and developing microservices architectures.

  • Experience with AWS services such as EC2, Lambda, ECS/EKS, S3, and RDS.

  • Strong knowledge of REST APIs and web services.

  • Experience with SQL Server or other relational databases.

  • Strong problem-solving, debugging, and communication skills.

  • Ability to collaborate effectively with distributed and cross-functional teams.

  • Must be based in or around Phoenix, AZ and available for occasional in-office work during the initial months.

Preferred Qualifications:

  • Familiarity with Docker and Kubernetes.

  • Experience developing and deploying cloud-native applications.

  • Experience with application monitoring, troubleshooting, and production support.

Mandatory Required Skills:

.NET, C#, .NET Core, ASP.NET Core, Microservices Architecture, AWS, Amazon EC2, AWS Lambda, Amazon ECS, Amazon EKS, Amazon S3, Amazon RDS, REST APIs, Web Services, SQL Server, Relational Databases, Backend Development, Cloud-Native Applications, Software Development, Production Support

Preferred Skills: Docker, Kubernetes, Containerization

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