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Caci, LLC - Commercial has filed one layoff notice in the last twelve months, covering 75 workers, most recently June 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings

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About the job

Job Title: Full Stack Software Developer - TOR

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: Up to 25%

Type of Travel: Continental US

* * *

The Opportunity:

CACI is seeking a 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. As the Full Stack Developer, you will design and develop scalable, secure applications that support critical law enforcement investigations targeting criminal networks and dark web operations,

You will work within a collaborative technical team delivering mission-critical software for national security operations applying modern full stack development practices to solve complex investigative challenges in anonymized environments.

Responsibilities:

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

Build custom solutions that integrate with existing investigative systems and infrastructure

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/GitHub), 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

Qualifications:

Required:

Bachelor's degree in Computer Science, Software Engineering, or related technical field

5 or more years of demonstrated full stack development experience with a proven track record of delivering production applications

4 or more years of experience in frontend frameworks (React, Angular, or Vue.js) with strong JavaScript/TypeScript skills

4 or more years of experience in 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 Kubernetes containerization

Strong understanding of software design patterns, data structures, and algorithms

Knowledge of web security best practices, secure coding principles, and anonymization technologies

Willing and able to work onsite in Fairfax, Va

Must be a U.S. Citizen with the ability to pass DHS background investigation, criteria include but are not limited to: 3 year check for felony convictions

1 year check for illegal drug use

1 year check for misconduct such as theft or fraud

Desired:

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

2 or more years of experience developing dark web applications using technologies such as Tor for secure, anonymous communication

Knowledge of machine learning frameworks (TensorFlow, PyTorch, scikit-learn) and AI model deployment

Excellent problem-solving and debugging skills

Strong communication skills with ability to collaborate effectively across technical teams

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.

The proposed salary range for this position is: $94,400 - $198,200

CACI is an Equal Opportunity 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 other protected characteristic.