Senior Full Stack AI Developer

CACI International; United States; Remote; USD 105,000 - 231,000; Full time

Job summary

CACI International seeks a Senior Full Stack AI Developer to join the DHS AI/ET initiative. The role focuses on designing and deploying AI-enabled web applications, with substantial hands-on coding (approximately 80%).

You will work on AI model integration, LLMs, RAG pipelines, and robust API development within an agile, distributed team. The ideal candidate has deep Python backend expertise, strong React/CSS frontend skills, and experience with cloud services (Azure preferred, AWS also

Qualifications

• U.S. Citizen with ability to obtain DHS Entry On Duty (EOD).
• BA/BS and 15 years relevant experience or equivalent.
• Proficient in full stack development (front-end and back-end).
• Expert Python for backend development; experience with React and CSS.

Responsibilities

• Design, develop, and maintain full-stack AI-enabled applications.
• Build and deploy ML/AI models including LLMs and RAG pipelines.
• Implement CI/CD pipelines using GitLab CI.
• Design backend services and APIs; ensure scalability and security.
• Collaborate with data scientists to integrate AI models.
• Participate in agile delivery phases and ceremonies.
• Stay current with AI technologies and best practices.

Skills

Full Stack development

Python backend

React frontend

Cloud Azure

APIs & REST

CI/CD (GitLab)

AI/ML development

Prompt engineering

LLMs

Typescript

Education

BA/BS degree

Tools

GitLab CI

Azure

AWS

Docker

Kubernetes

CosmosDB

PostgreSQL

OpenAI

Job description

Job Title: Senior Full Stack AI Developer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Public Trust

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

* * *

The Opportunity:
CACI is seeking a Senior Full Stack/AI Developer to join our team of technical experts supporting the U.S. Department of Homeland Security (DHS) Headquarters Artificial Intelligence and Emerging Technology (AI/ET) initiative. This team works with a federal workforce staff of technical experts for high-visibility, department-wide AI initiatives.

The ideal candidate is a strong individual contributor with continuous, hands-on coding experience, spending approximately 80% of their time writing code and will excel with current experience developing innovative AI solutions as part of a technically diverse and geographically disbursed team. The candidate should have a proven track record in building and deploying modern web applications and AI-powered solutions. Significant professional Full-Stack development experience with expertise in multiple programming languages, proficiency with cloud services (Azure and AWS with Azure preferred), deep expertise in Python for back-end development, experience with front-end frameworks such as React and CSS and strong experience in API development and management. Competitive candidates will have substantial experience in working in agile, collaborative engineering teams using modern engineering tools.

Responsibilities:

• Designing, developing and maintaining custom full-stack applications with a focus on AI and GenAI integration.
• Building, integrating, and deploying machine learning and AI models, including Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) pipelines, prompt engineering, andfine-tuning.
• Implementingand maintaining CI/CD pipelines using GitLab CI.
• Designing and implementing robust backend services and APIs.
• Collaborating with data scientists and AI researchers to create new functionality and to integrate AI models into applications.
• Develop and maintain full-stack applications with a focus on AI integration.
• Design and implement backend services and APIs.
• Participating in agile delivery phases and ceremonies including release and sprint planning, artifact creation, sprint testing, demonstrations and retrospectives.
• Staying current with the latest advancements in AI technologies, tools, and best practices.

Qualifications:

Required:

• U.S. Citizen with the ability to obtain Department of Homeland Security (DHS) Entry On Duty (EOD)
• BA/BS and 15 years’ relevant experience required. (Experience may be substituted for education: MA/MS and 12 years’ experience, AA and 17 years’ experience, or over 21 years’ experience without a degree)
• Ability to analyze technically complex problems and develop and implement new and innovative solutions.
• Full Stack development experience including proficiency in both front-end (React, Typescript, CSS) and back-end development, ability to handle all aspects of a web application from designing the user interface to managing the server and database.
• Expert proficiency in Python for backend development.
• Experience with prompt engineering; general knowledge of working with LLMs
• Experience with React and CSS for front-end development.
• Experience with a dynamic language/platform (e.g., Python, Node.js, Ruby, PHP)
• Additional experience in multiple additional software developer languages including, but not limited to: JavaScript, TypeScript, React, YAML, and JSON.
• Ability to work with cloud services and platforms (Azure or AWS) with a preference for strong working knowledge of Azure development and AI hosting infrastructure.
• Ability to develop and work with APIs including familiarity with RESTful services, knowledge of authentication methods, familiarity with data formats, and skilled in handling AP

Desired:

• Experience developing solutions using Azure services supporting AI solutions including Azure OpenAI, CosmosDB, and PostgreSQL
• Experience with Docker and building and deploying applications in Kubernetes containers.
• Experience and knowledge of AI/ML deployments om Azure

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation’s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range :

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$105,100-$231,100

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any otherprotectedcharacteristic.