Senior Full Stack Developer

CACI International•National Harbor, MD

About The Position

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, Chief Technology Officer Directorate (CTOD), 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 software solutions as part of a technically diverse and geographically disbursed team. The candidate 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), expertise in Python for back-end development, experience with front-end frameworks such as React and CSS, strong experience in API development and management, and a comprehensive knowledge of both SQL and NoSQL databases. Competitive candidates will have substantial experience in working in agile, collaborative engineering teams using modern engineering tools.

Requirements

U.S. Citizen with the ability to obtain Department of Homeland Security (DHS) Entry On Duty (EOD)
BA/BS and 10 years’ relevant experience required. (Experience may be substituted for education: MA/MS and 7 years’ experience, AA and 12 years’ experience, or over 16 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
Strong 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 API errors.
Comprehensive understanding of SQL/PostgreSQL and NoSQL databases; experience in integrating SQL/PostgreSQL and NoSQL databases within the same application, when appropriate; and advanced understanding of security best practices for both SQL/PostgreSQL and NoSQL databases.
Ability to work with Data Scientist teams to integrate applications with AI/ML, Big Data, or BI solutions.
Ability to work independently on a complex task with little direction and management oversight.

Nice To Haves

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 on Azure.
Familiarity with other front-end tools or Python frameworks.
Experience developing AI/ML solutions or complex solutions for predictive analytics.
Experience working in a geographically dispersed, remote team.
Understanding of Data Science principles and best practices.

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, and fine-tuning.
Implementing and 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.
Ensuring the performance, quality, and responsiveness of full-stack applications.
Develop and maintain full-stack applications with a focus on AI integration.
Design and implement backend services and APIs.
Collaborate with data scientists and AI researchers to integrate AI models into applications.
Ensure the performance, quality, and responsiveness of applications.
Conduct code reviews and maintain code quality standards.
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.

Benefits

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.

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