Impactful Full-Stack .NET Portal Engineer (C#/ASP.NET Core)

Neevsys LLC; Rockville (MD); On-site; USD 90,000 - 130,000; Full time

Job summary

NNeevsys LLC is seeking an experienced full-stack .NET developer to build and support the portal end-to-end — Angular or React frontend with a .NET backend, backed by PostgreSQL. Your work will impact the medical and scientific communities served by the program.

Responsibilities include building portal features, data modeling in PostgreSQL, implementing authentication and access control, and integrating with backend services. US work authorization and contract clearance eligibility are required.

Qualifications

• Strong full-stack .NET development (C# / ASP.NET Core) with a modern front-end framework (Angular or React).
• Hands-on experience with PostgreSQL in a .NET environment.
• Experience building portal or web-application features end to end.
• Solid grasp of web security, authentication, and access control.
• US work authorization; clearance eligibility per contract environment.

Responsibilities

• Build and maintain portal applications end to end — Angular or React front ends and .NET backend services and APIs.
• Model and work with data in PostgreSQL within a .NET environment.
• Implement authentication, authorization, and role-based access for portal users.
• Integrate the portal with backend data services and other program applications.
• Contribute to design, testing, code review, and ongoing support.

Skills

Full-stack .NET

Angular/React

PostgreSQL in .NET

Web security & auth

Portal features end-to-end

Tools

ASP.NET Core

Job description

NNeevsys LLC is seeking an experienced full-stack .NET developer to build and support the portal end-to-end — Angular or React frontend with a .NET backend, backed by PostgreSQL. Your work will impact the medical and scientific communities served by the program.

Responsibilities include building portal features, data modeling in PostgreSQL, implementing authentication and access control, and integrating with backend services. US work authorization and contract clearance eligibility are required.