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:

• Design, develop, test, and maintain full-stack applications (UI, service/API layer, and data access layer) in an Agile delivery environment.
• Participate in software programming initiatives to support innovation and enhancement, using Java, JavaScript, Python, SpringBoot,
• Implement responsive, user-friendly front-end features and collaborate with UX/design to ensure usable, accessible experiences.
• Build and maintain back-end services and APIs; implement business logic, integrations, and data access patterns.
• Develop, maintain, and evolve a modernized database architecture aligned to modernization initiatives, including cloud adoption.
• Create and optimize database queries and data models; ensure data integrity and performance.
• Write automated tests and participate in code reviews to improve quality, security, and maintainability.
• Troubleshoot, debug, and resolve defects across the stack; support production and lower-environment issue resolution as required.
• Produce technical documentation (design notes, API documentation, and operational runbooks) aligned to program needs.
• Operate and improve reliability/availability through monitoring, alerting, incident response, and continual service improvement.
• Produce and maintain technical documentation (build guides, runbooks, diagrams, and operational procedures).
• Stage new and upgraded services components or services to integration and testing environment. 
• Develop and engineer improvements to the infrastructure and architecture to support continuous development and continuous integration utilizing modern practices and tools. 
• Support and perform deployment orchestration, automation, and security configuration management (i.e., CloudFormation, Terraform, Ansible, GitLab, Bitbucket).
• Maintain documentation of code developed in support of CESO environments. 
• Support patching, logging, vulnerability scanning, and compliance tracking.
• Participate in the release management process. 
• Participate in Agile ceremonies (daily stand-ups, sprint planning, retrospectives) and Jira-based task tracking.

QUALIFICATIONS:

• Active TS clearance and SCI eligible with the ability to obtain and maintain a CI Poly. 
• BA/BS and 8 years minimum of experience in Information Technology.
• Demonstrated experience developing and supporting applications across the full stack (front-end + back-end + database).
• Experience with modern front-end fundamentals (HTML/CSS/JavaScript) and building responsive user experiences.
• Experience with back-end development concepts such as APIs, server-side logic, and database interaction.
• Hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.
• Strong background in automated testing, CI/CD, and modern software delivery practices.
• Experience with software development languages/environments such as: JavaScript, GitLab, Jenkins, Ansible Automation, Java, PSSQL, YAML, and Terraform.
• Ability to work effectively with cross-functional teammates and contribute across the full development lifecycle.
• 4 years’ experience with tools to include Ansible, Terraform, JMETER, EC2, ELB, RDS, Lambda, Docker. 
• Experience with deployment orchestration, automation, and security configuration management (i.e., CloudFormation, Terraform, Ansible, GitLab, Bitbucket)

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TDI does business with the federal government, which restricts employment to individuals who are either US citizens or lawful permanent residents of the United States.

“TDI is an Equal Opportunity Employer. Employment decisions are made based on individual qualifications, merit, and business needs. We do not discriminate in employment opportunities or practices based on race, color, religion, sex, or national origin, in accordance with applicable federal laws.”

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