Full Stack Developer — Secure Web Apps & APIs

CACI International Inc.

Fairfax, Northern (VA, KY)

Hybrid

USD 94,000 - 198,000

Full time

4 days ago
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Job summary

CACI International Inc. seeks a seasoned Full Stack Software Developer in Fairfax, VA, to design and implement scalable web applications supporting DHS C3 investigative operations.

You will work in a collaborative team to build secure, high-performance software for national security challenges in anonymized environments. The role requires 5+ years in full stack development, 2+ years with dark web tech (Tor), 4+ years in frontend frameworks (React/Angular/Vue), and 4+ years backend in

Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or related field.
  • 5+ years of demonstrated full stack development experience.
  • 2+ years of experience developing dark web applications using Tor.
  • 4+ years of frontend frameworks (React, Angular, or Vue.js) with strong JavaScript/TypeScript skills.
  • 4+ years of 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.

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.

Skills

Full stack development
Dark web development
Frontend frameworks
Backend development
RESTful APIs
SQL databases
Git / CI/CD
Docker / Kubernetes
Web security
Anonymization tech

Education

Bachelor's degree in CS/SE
Master's degree (preferred)

Tools

Docker
Kubernetes

Job description

CACI International Inc. seeks a seasoned Full Stack Software Developer in Fairfax, VA, to design and implement scalable web applications supporting DHS C3 investigative operations.

You will work in a collaborative team to build secure, high-performance software for national security challenges in anonymized environments. The role requires 5+ years in full stack development, 2+ years with dark web tech (Tor), 4+ years in frontend frameworks (React/Angular/Vue), and 4+ years backend in

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