Full Stack Software Developer

RiseMe; Fairfax (VA); On-site; USD 94,000 - 198,000; Full time

Job summary

CA CI, The Opportunity: Join CACI as a Full Stack Developer supporting the DHS Cyber Crimes Center in Fairfax. You will design scalable web apps, APIs, and investigative tools using modern front-end and back-end tech, including Python, JavaScript, and Docker/Kubernetes.

Collaborate across disciplines to build secure systems for national security investigations; participate in code reviews, testing, and deployment, while meeting federal security standards and DHS background requirements.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related technical field.
• 5+ years of full stack development delivering production applications.
• 2+ years building dark web applications using Tor for secure communication.
• 4+ years frontend in React/Angular/Vue.js with strong JavaScript/TypeScript.
• 4+ years backend with Python/Node.js/Java and REST API design.
• Relational databases (PostgreSQL/MySQL) and SQL optimization.
• Docker and Kubernetes for deployment and CI/CD pipelines.
• Strong design patterns, data structures, and secure coding practices.
• Must be able to work onsite in Fairfax, VA and pass DHS background checks.

Responsibilities

• Design and implement complex web applications with frontend and backend expertise.
• Develop tools and sites to support DHS C3 investigations.
• Build applications using dark web technologies for secure comms.
• Create RESTful APIs and microservices for system integration.
• Write clean code in Python and JavaScript; implement responsive UIs.
• Maintain deployments with Docker, Git, and CI/CD pipelines.
• Collaborate with data scientists and cybersecurity specialists on projects.
• Review code, perform testing, and document architecture and APIs.

Skills

Full stack

JavaScript

TypeScript

Python

REST APIs

Microservices

Docker

Kubernetes

Git

Security

Education

Bachelor's degree in CS

Master's degree (preferred)

Tools

React

Angular

Vue.js

Express.js

Django

Flask

PostgreSQL

MySQL

Job description

Job Title: Full Stack Software DeveloperJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage 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
• 2 or more years of experience developing dark web applications using technologies such as Tor for secure, anonymous communication
• 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
• 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 - $198,200CACI 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.