Senior .NET & React Full-Stack Engineer (Top Secret)

AIS (Applied Information Sciences); Washington; On-site; USD 100,000 - 150,000; Full time

Job summary

AIS is seeking a Senior Software Engineer to join our team and support a mission-critical federal client in Washington, DC. You will contribute to secure web applications and services across backend, frontend, and cloud environments, using .NET and React technologies.

You will design, develop, test, and maintain features, while collaborating with clients and teammates to ensure high quality, scalable solutions and adherence to best practices.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology or related field.
• 3–5 years of professional software development experience using C# and the .NET framework.
• Hands-on experience with ASP.NET, Entity Framework, and SQL Server.
• Experience developing front-end applications or components using React, JavaScript/TypeScript, HTML, and CSS.
• Familiarity with architectural patterns and API styles, including REST and/or RPC.
• Experience integrating front-end components with back-end services and APIs.

Responsibilities

• Design, develop, test, and maintain full-stack features using C#, ASP.NET, Entity Framework, SQL Server, React, JavaScript/TypeScript, HTML, and CSS.
• Build responsive front-end interfaces with React and modern UI practices.
• Develop scalable, secure backend components and APIs.
• Modify and enhance existing code for performance and maintainability.
• Integrate third-party tools, APIs, and services as needed.
• Participate in the full SDLC from planning to deployment.
• Write clean, secure code following team guidelines.
• Conduct unit and integration testing to ensure functionality.
• Troubleshoot and resolve application, integration, and performance issues.
• Use Git/GitLab for version control and collaboration.
• Assist with remediation of code and package vulnerabilities identified by security scans.

Skills

C#

ASP.NET

React

JavaScript/TypeScript

SQL Server

REST APIs

Git/GitLab

Security best practices

Cloud platforms (AWS/Azure)

Entity Framework

Docker

Education

Bachelor's degree in Computer Science/Software Engineering/Information Technology

Tools

Entity Framework

GitLab

React

ASP.NET

Job description

AIS is seeking a Senior Software Engineer to join our team and support a mission-critical federal client in Washington, DC. You will contribute to secure web applications and services across backend, frontend, and cloud environments, using .NET and React technologies.

You will design, develop, test, and maintain features, while collaborating with clients and teammates to ensure high quality, scalable solutions and adherence to best practices.