GenAI Web Developer — TS/SCI Clearance

CACI International Inc; Chantilly (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International Inc in Chantilly, VA is seeking an AI Web Developer to design and enhance a GenAI-enabled web application for a government client. You will integrate LLMs, AI services, APIs, and MCP servers using C#/.NET, HTML5, JavaScript, Bootstrap, CSS, SQL, and cloud services on AWS and MS platforms.

You will lead development efforts, evaluate technologies, ensure security and scalability, and collaborate with analysts and DoD experts to translate complex requirements into reliable

Qualifications

• Minimum 2 years of web or software development experience.
• Active TS/SCI clearance with CI Polygraph.
• Experience with HTML, JavaScript, CSS, C#/.NET, and Bootstrap.
• Experience developing or integrating GenAI apps and LLMs via APIs/SDKs.
• Cloud experience with AWS and Microsoft platforms.
• Experience building web APIs, backend services, and SQL solutions.
• Familiarity with MCP servers and external system integrations.
• Knowledge of prompt engineering, tool calling, and RAG techniques.

Responsibilities

• Design, develop, test, and enhance GenAI-enabled web application features.
• Integrate LLMs, AI services, APIs, MCP servers, and data sources into workflows.
• Evaluate approaches, troubleshoot performance, security, and scalability issues.
• Develop and maintain web APIs, backend services, and SQL solutions.
• Leverage AWS and MS cloud services to deploy, monitor, and support apps.
• Apply GenAI techniques like prompt engineering and RAG to improve capabilities.
• Collaborate with analysts and experts; conduct code reviews and maintain docs.

Skills

HTML5

JavaScript

CSS

C#/.NET

Bootstrap

GenAI

LLM integration

APIs

AWS

Microsoft Cloud

SQL

Prompt engineering

RAG

Python

Docker

Education

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

Tools

Microsoft Foundry

Amazon Bedrock

Amazon SageMaker

MCP servers

Docker

Job description

CACI International Inc in Chantilly, VA is seeking an AI Web Developer to design and enhance a GenAI-enabled web application for a government client. You will integrate LLMs, AI services, APIs, and MCP servers using C#/.NET, HTML5, JavaScript, Bootstrap, CSS, SQL, and cloud services on AWS and MS platforms.

You will lead development efforts, evaluate technologies, ensure security and scalability, and collaborate with analysts and DoD experts to translate complex requirements into reliable