Senior .NET Developer: Cloud, Microservices & APIs

Valiant Technologies LLC; Miami (FL); On-site; USD 120,000 - 150,000; Full time

Job summary

Valiant Technologies LLC is seeking an experienced Senior .NET Developer to design, develop, and maintain enterprise applications using C# and .NET Core. You will lead development activities, implement RESTful services, and mentor junior engineers in a fast-paced, collaborative environment.

The role requires hands-on expertise with ASP.NET Core, .NET 6/7/8, Web API, microservices, SQL Server, and cloud platforms (Azure or AWS).

Qualifications

• Senior .NET Developer with hands-on experience designing, developing, and maintaining enterprise applications.
• Strong expertise in C#, ASP.NET Core, .NET 6/7/8, Web API, and microservices.
• Proficiency with SQL Server, EF Core, LINQ, and ADO.NET.
• Experience implementing authentication/authorization with OAuth 2.0, JWT, and ASP.NET Identity.

Responsibilities

• Design, develop, and maintain enterprise applications using C# and .NET Core.
• Build scalable backend services using ASP.NET Core and Web API.
• Develop RESTful APIs and implement Microservices architecture.
• Mentor junior developers and provide technical leadership.
• Collaborate with architects, QA, business analysts, and product teams.
• Participate in Agile ceremonies and code reviews.
• Implement unit and integration testing with xUnit/NUnit and Moq.

Skills

C#

ASP.NET Core

.NET 6/7/8

Web API

Microservices

SQL Server

Azure or AWS

OAuth 2.0

JWT

ASP.NET Identity

CI/CD

Unit Testing

Tools

Azure DevOps

Jenkins

GitHub Actions

Job description

Valiant Technologies LLC is seeking an experienced Senior .NET Developer to design, develop, and maintain enterprise applications using C# and .NET Core. You will lead development activities, implement RESTful services, and mentor junior engineers in a fast-paced, collaborative environment.

The role requires hands-on expertise with ASP.NET Core, .NET 6/7/8, Web API, microservices, SQL Server, and cloud platforms (Azure or AWS).