Full Stack Developer

About the role

The Senior Full Stack Developer will support the Department of Homeland Security's Cyber Crimes Center (C3) in designing and implementing sophisticated web applications and investigative tools.

Responsibilities

• 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

Requirements

• 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
• Develop applications using dark web technologies such as Tor for secure, anonymous communication
• Create RESTful APIs and microservices architecture to enable system integration and data exchange
• Write clean, maintainable code in Python and JavaScript for investigative software systems
• 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

• 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/TypeScript 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

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
• Experience developing applications that consume AI APIs or incorporate generative AI capabilities
• Understanding of AI/ML workflows, model serving, and inference optimization