Senior .NET API Engineer - Microservices & Security

Valiant Technologies LLC; Houston (TX); On-site; USD 84,000 - 120,000; Full time

Job summary

Valiant Technologies LLC in Houston, TX seeks a Senior .Net Developer to design and build scalable RESTful APIs and microservices using C# and .NET/.NET Core. You will own the API lifecycle, implement secure authentication, and work within an Agile team to deliver high-quality solutions.

The role emphasizes API-first design, proficiency with OAuth/OIDC, JWT, and enterprise identity providers, plus hands-on experience with Apigee and distributed services. On-site in Houston.

Qualifications

• Proficient in C#/.NET and ASP.NET Core Web API.
• Experience with API design-first approaches and RESTful services.
• Familiar with Agile/Scrum practices and Azure DevOps/Jira.

Responsibilities

• Design and develop scalable RESTful Web APIs and microservices using C#, .NET/.NET Core, ASP.NET Core Web API, and ASP.NET MVC Core with a design-first/API-first approach.
• Own the end-to-end API lifecycle including API design, development, testing, deployment, versioning, and support; utilize Apigee for API management and gateway integration.
• Implement authentication/authorization with OAuth 2.0, OpenID Connect, JWT, RBAC, and enterprise identity providers like Microsoft Entra ID.
• Demonstrate strong experience in microservices architecture including service decomposition, reusable API design, error handling, logging, resiliency, and distributed service integration.
• Work with relational databases and SQL including data modeling, query development, and integration with .NET-based APIs.
• Collaborate in Agile/Scrum teams; participate in design/code reviews, sprint planning, and use Azure DevOps and Jira for source control and CI/CD.

Skills

C#/.NET

ASP.NET Core Web API

ASP.NET MVC Core

Job description

Valiant Technologies LLC in Houston, TX seeks a Senior .Net Developer to design and build scalable RESTful APIs and microservices using C# and .NET/.NET Core. You will own the API lifecycle, implement secure authentication, and work within an Agile team to deliver high-quality solutions.

The role emphasizes API-first design, proficiency with OAuth/OIDC, JWT, and enterprise identity providers, plus hands-on experience with Apigee and distributed services. On-site in Houston.