Web Application Developer – TS/SCI Poly – Secure Modernization

CACI; Herndon (VA); On-site; USD 120,800 - 265,800; Full time

Job summary

CACI is seeking a Web Application Developer with Polygraph to support our federal customer’s delivery function. The role focuses on modernizing web interfaces in a secure, cleared environment, leveraging .NET, Angular, and REST services.

You will design and implement new web interfaces, maintain legacy .NET applications, and work with teams to ensure secure, scalable solutions. A TS/SCI with Polygraph is required, along with strong background in C#, ASP.NET, and modern front-end tech.

Qualifications

• Active TS/SCI clearance with polygraph.
• Bachelor’s degree in Computer Science or related field.
• 10+ years in web development with ASP.NET, Angular, and REST APIs.
• Experience with Oracle SQL and PL/SQL.
• Experience with MVC patterns and secure authentication (SAML/OIDC).
• CI/CD experience in high-security environments.
• Ability to plan in sprints and learn quickly.

Responsibilities

• Design and implement new web-based interfaces and services with direct collaboration with software leads and users.
• Provide operations and maintenance support for existing .NET applications.

Skills

Top Secret/SCI clearance

ASP.NET

Angular

HTML/CSS/JavaScript

REST APIs

MVC patterns

C#

CI/CD

SAML/OIDC

Education

Bachelor’s degree in Computer Science or related field

Master’s degree in Computer Science or related field

Tools

Angular (v2-12) SPA

Node.js

TypeScript

Oracle SQL

PL/SQL

Job description

CACI is seeking a Web Application Developer with Polygraph to support our federal customer’s delivery function. The role focuses on modernizing web interfaces in a secure, cleared environment, leveraging .NET, Angular, and REST services.

You will design and implement new web interfaces, maintain legacy .NET applications, and work with teams to ensure secure, scalable solutions. A TS/SCI with Polygraph is required, along with strong background in C#, ASP.NET, and modern front-end tech.