Full Stack Developer

Job Title:

Full Stack Developer
Job Category:
Engineering
Time Type:
Full time
Minimum Clearance Required to Start:
Public Trust
Employee Type:
Regular
Percentage of

Travel Required:

Up to 10%
Type of Travel:
Continental US

* * *

CACI is seeking a Senior Full Stack Developer to support the Department of Homeland Security's Cyber Crimes Center (C3) in designing and implementing sophisticated web applications and investigative tools. In this role, you will:

• Design and develop scalable, secure applications that support critical law enforcement investigations targeting criminal networks and dark web operations
• Build custom solutions that integrate with existing investigative systems and infrastructure
• Work within a collaborative technical team delivering mission‑critical software for national security operations
• Apply modern full stack development practices to solve complex investigative challenges in anonymized environments

This position requires U.S. citizenship and eligibility to obtain a DHS Public Trust clearance.

• Design and implement complex web applications with advanced knowledge of frontend and backend technologies
• Develop and maintain custom applications, tools, and sites to support DHS C3 investigative operations
• Build applications using dark web technologies such as Tor for secure, anonymous communication
• Develop RESTful APIs and microservices architecture to enable system integration and data exchange
• Write clean, maintainable code in Python and JavaScript for investigative software systems
• Implement responsive user interfaces using modern frameworks (React, Angular, or Vue.js)
• Develop server‑side applications using frameworks such as Express.js, Django, or Flask
• Maintain and deploy code using Docker, version control (Git/Git Hub), and CI/CD pipelines
• Design and optimize database schemas for performance and scalability
• Integrate applications with existing investigative systems through APIs and system interfaces
• Develop solutions that operate in anonymized and dark web environments while maintaining operational security
• Collaborate with data scientists, infrastructure engineers, and cybersecurity specialists on cross‑functional projects
• Participate in code reviews, testing, and quality assurance processes
• Document software architecture, APIs, and technical specifications
• Troubleshoot and resolve software defects and performance issues
• Support software development lifecycle from requirements gathering through production deployment
• Ensure applications meet federal security standards and compliance requirements

• Bachelor's degree in Computer Science, Software Engineering, or related technical field 5+ years of demonstrated full stack development experience with a proven track record of delivering production applications
• Experience developing dark web applications using technologies such as Tor for secure, anonymous communication
• Advanced proficiency in frontend frameworks (React, Angular, or Vue.js) with strong JavaScript/Type Script skills
• Expert‑level backend development experience with Python, Node.js, or Java
• Strong understanding of RESTful API design and microservices architecture
• Experience with relational databases (PostgreSQL, MySQL) and SQL query optimization
• Proficiency with version control systems (Git) and collaborative development workflows
• Experience maintaining and deploying applications using Docker and containerization
• Strong understanding of software design patterns, data structures, and algorithms
• Knowledge of web security best practices, secure coding principles, and anonymization technologies
• Excellent problem‑solving and debugging skills
• Strong communication skills with ability to collaborate effectively across technical teams
• Active Public Trust clearance or ability to obtain and maintain clearance

• Master's degree in Computer Science or related technical field
• Experience integrating AI/ML models into web applications and building interfaces for AI‑powered systems
• Knowledge of machine learning frameworks (Tensor Flow, PyTorch, scikit‑learn) and AI model deployment
• Experience developing applications that consume AI APIs or incorporate generative AI capabilities
• Und…