Full Stack Developer

Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age.

TDI is looking for a  Full Stack Developer who will support the Compartmented Enterprise Services Office (CESO) program delivering mission-focused software capabilities for DISA. This role develops, tests, and maintains secure, reliable applications across the full technology stack (front-end, APIs/services, and data). A Full stack developer should be able to switch between front-end and back-end development based on requirements and help the team prototype rapidly when needed.

This position is onsite 5 days/week in Arlington, VA and requires an active TS/SCI clearance. RESPONSIBILITIES:

• Java application development using Java, Spring Framework, Spring Boot, and Hibernate
• Front-end development using React, TypeScript, JavaScript, jQuery, JSON, HTML, and CSS
• Service-Oriented Architecture (SOA) and API development using RESTful services, ESB, and message queues
• CI/CD and Infrastructure as Code (IaC) development and implementation using Ansible, AWS CloudFormation, Terraform, GitLab CI, Jenkins, and related DevOps tools
• AWS infrastructure provisioning and management, including VPCs, subnets, Availability Zones, firewalls, NACLs, Security Groups, and hybrid connectivity
• AWS application development using services such as EC2, RDS, Lambda, SNS, SQS, S3, and Directory Services
• DevOps and automated testing tools, including GitLab, JFrog Artifactory or similar repositories, Selenium, Leapwork, and related technologies
• SDLC and change management, including development and documentation of branching strategies, troubleshooting/debugging, code reviews, and resolution of technical issues throughout the development lifecycle
• Secure software development practices, including coding and testing standards, threat modeling, fuzz testing, static code analysis, security scanning, and code reviews
• Security Operations process development and improvement, including creation and maintenance of SOPs, playbooks, and work instructions, with effectiveness measured through metrics and KPIs
• Requirements and feasibility analysis to evaluate user needs, software requirements, technical design, timelines, and cost constraints

QUALIFICATIONS:

• Active TS clearance and SCI eligible with the ability to obtain and maintain a CI Poly.
• Bachelor’s degree and 12+ years of directly relevant technical experience. Additional relevant experience may be considered in lieu of a degree
• 6+ years of experience designing, developing, and modifying standalone application software
• 5+ years of software development experience in Agile environments
• 5+ years of experience working in AWS cloud and virtualized infrastructure environments
• 3+ years of experience designing and developing Infrastructure as Code (IaC) using Ansible, Terraform, and AWS CloudFormation
• Proficiency in full-stack development technologies, including Java, JavaScript, Node.js, React, jQuery, Bootstrap, REST APIs, JSON, XML, HTML/CSS, and Visual Studio
• Extensive experience with application development, API integration/development, and scripting languages
• Experience implementing and maintaining CI/CD pipelines, including source code management and repositories such as GitLab

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