Full Stack Software Developer - TOR

Description

The company supports the Department of Homeland Security (DHS) Cyber Crimes Center (C3) by building web applications and investigative tools.

The work supports law enforcement investigations into criminal networks and dark web operations, where software must be scalable and secure.

You will join a collaborative technical team that builds software for national security operations, often in anonymized environments.

Responsibilities

• Build complex web applications, using strong skills across frontend and backend technologies.
• Create and upkeep custom applications, tools and sites for DHS C3 investigations.
• Use dark web technologies such as Tor to build secure, anonymous communication.
• Build custom solutions that connect with existing investigative systems and infrastructure, including through APIs and system interfaces.
• Develop RESTful APIs and microservices that allow systems to integrate and exchange data.
• Write clean, maintainable Python and JavaScript for investigative software.
• Build responsive user interfaces with React, Angular or Vue.js.
• Build server-side applications with Express.js, Django or Flask.
• Ship and maintain code using Docker, Git/GitHub and CI/CD pipelines.
• Design and tune database schemas for performance and scale.
• Build solutions that work in anonymized and dark web settings while keeping operations secure.
• Work with data scientists, infrastructure engineers and cybersecurity specialists on cross-functional projects.
• Take part in code reviews, testing and quality assurance.
• Document software architecture, APIs and technical specifications.
• Find and fix software defects and performance problems.
• Support the software lifecycle, from gathering requirements to production deployment.
• Make sure applications meet federal security standards and compliance requirements.

Requirements

• Bachelor's degree in Computer Science, Software Engineering or a related technical field.
• At least 5 years of full stack development experience, with production applications you have delivered.
• At least 4 years of frontend framework experience (React, Angular or Vue.js) and solid JavaScript or TypeScript skills.
• At least 4 years of backend experience with Python, Node.js or Java.
• Strong grasp of RESTful API design and microservices architecture.
• Experience with relational databases such as PostgreSQL or MySQL, including SQL query optimization.
• Proficiency with Git and collaborative development workflows.
• Experience deploying and maintaining applications with Docker and Kubernetes.
• Strong understanding of software design patterns, data structures and algorithms.
• Knowledge of web security best practices, secure coding and anonymization technologies.
• Willing and able to work onsite in Fairfax, VA.
• Must be a U.S. citizen able to pass a DHS background investigation. The check covers felony convictions over the past 3 years, illegal drug use over the past 1 year, and misconduct such as theft or fraud over the past 1 year, among other criteria.
• Desired: Master's degree in Computer Science or a related technical field.
• Desired: Experience integrating AI/ML models into web applications and building interfaces for AI-powered systems.
• Desired: At least 2 years building dark web applications with technologies such as Tor for secure, anonymous communication.
• Desired: Knowledge of machine learning frameworks such as TensorFlow, PyTorch or scikit-learn, and of deploying AI models.
• Desired: Excellent problem-solving and debugging skills.
• Desired: Strong communication skills and the ability to work across technical teams.

Conditions

Full-time, regular position based onsite in Fairfax, VA.

Travel of up to 25%, within the continental US.

No security clearance is required to start.

Final salary depends on factors such as location, Federal Government contract labor categories and wage rates, relevant experience, specific skills, education and certifications.

The proposed salary range is $94,400 - $198,200.

Benefits

• Comprehensive benefits, including healthcare, wellness, financial, retirement, family support and continuing education.
• A flexible time off benefit that lets you take the time you need.
• Access to learning resources to help you grow your career.