Senior .Net Developer

Virginia Department of Environmental Quality; Richmond (VA); Hybrid; USD 115,000 - 150,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

The Virginia Department of Environmental Quality (DEQ) in Virginia is seeking a senior .NET developer to lead the design, development, and maintenance of web APIs, services, and user interfaces across the full stack. This role requires hands-on coding and technical leadership to ensure secure, scalable applications.

The position follows a hybrid work schedule (in-office and telework) and requires the candidate to work from a Virginia location.

Responsibilities

• This position is responsible for analysis, design and development of new applications, including web APIs and user interfaces.
• The position performs hands-on software development and provides technical leadership on application architecture, design patterns, and development standards.
• Duties include data modeling and database design, building secure, accessible, and responsive user interfaces, and leading and participating in code reviews.
• Maintains the Agency's applications and IT systems, mentors other developers, and documents technical decisions.

Job description

Job Description

To provide leadership in .NET development and maintenance of application software systems working across the full stack from APIs and databases to the user interface. Please note this position follows a hybrid work schedule to include both in-office and telework. Candidates must be able to work from the assigned work location in Virginia.

Hiring Range

$115,000 - $150,000

Full Time or Part Time

FULL TIME

Responsibilities

This position is responsible for analysis, design and development of new applications, including web APIs and user interfaces. The position performs hands‑on software development and provides technical leadership on application architecture, design patterns, and development standards. Duties include data modeling and database design, building secure, accessible, and responsive user interfaces, and leading and participating in code reviews. This position will also maintain the Agency's applications and Information Technology systems, mentor other developers, and document technical decisions.

Qualifications

• Significant experience in professional software development , including hands‑on work with C# and .NET, with current experience on .NET 8 or greater.
• Advanced skills in ASP.NET Core web API development, including routing, middleware, dependency injection, configuration, and consistent error handling.
• Experience with Entity Framework Core or a similar ORM, including query performance, transactions, and schema migrations.
• Working knowledge of relational databases such as SQL Server, Oracle, or PostgreSQL, including data modeling and SQL queries, with familiarity with NoSQL data stores a plus.
• Proficiency with front‑end development using TypeScript and a modern component framework such as Vue, React, or Angular, building accessible and responsive user interfaces.
• Knowledge of web security fundamentals, including OAuth 2.0, OpenID Connect, and authorization design.
• Proficiency with Git, including branching and merging strategies, code reviews, and CI/CD pipelines.
• Demonstrated ability to apply software architecture and design patterns, weigh trade‑offs, and document design decisions.
• Knowledge of containerization, such as Docker, and cloud computing concepts, including software as a service and platform as a service, with experience in distributed caching or messaging and background‑processing frameworks a plus.
• Ability to analyze, design, implement, and maintain IT applications and databases.
• Ability to mentor and lead a small development team and communicate technical concepts clearly to technical and non‑technical audiences.

About Us

The Virginia Department of Environmental Quality (DEQ) is the primary environmental permitting agency in the Commonwealth of Virginia. It is responsible for administering laws and regulations related to air quality, water quality, water supply, renewable energy, and land protection. Through the dedication and work of over 800 employees across six regional offices and the Central Office in Richmond, DEQ issues permits, conducts monitoring and inspections, and enforces the law.