Senior .NET Engineer - Hybrid, API & Architecture Lead

Commonwealth of VA Careers; Richmond (VA); Hybrid; USD 115,000 - 150,000; Full time

Job summary

The Virginia Department of Environmental Quality (DEQ) is seeking a lead .NET developer to drive design and development across APIs, databases, and user interfaces. This role supports a hybrid work schedule and requires work from the assigned location in Virginia.

Responsibilities include hands-on development, architecture guidance, code reviews, and mentoring a small team while maintaining DEQ applications and IT systems. Strong C#, .NET, EF Core, SQL, and modern front-end skills are essential.

Qualifications

• Significant experience in professional software development with C#/.NET and .NET 8+.
• Advanced ASP.NET Core API development including routing, middleware, DI, configuration, and error handling.
• Experience with EF Core or similar ORM and SQL databases.

Responsibilities

• Lead analysis, design and development of new applications, including web APIs and UIs.
• Perform hands-on software development and guide architecture and design decisions.
• Mentor developers, conduct code reviews, and maintain applications and IT systems.
• Document technical decisions and ensure secure, accessible interfaces.
• Collaborate across teams on data modeling and database design.

Skills

C#

.NET

ASP.NET Core

TypeScript

Vue

React

Angular

OAuth 2.0

OpenID Connect

Git

CI/CD pipelines

Docker

Tools

Docker

CI/CD pipelines

SQL databases

Job description

The Virginia Department of Environmental Quality (DEQ) is seeking a lead .NET developer to drive design and development across APIs, databases, and user interfaces. This role supports a hybrid work schedule and requires work from the assigned location in Virginia.

Responsibilities include hands-on development, architecture guidance, code reviews, and mentoring a small team while maintaining DEQ applications and IT systems. Strong C#, .NET, EF Core, SQL, and modern front-end skills are essential.