Secure Full-Stack Developer - Onsite Arlington, TS/SCI

Tetrad Digital Integrity LLC; Arlington (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Tetrad Digital Integrity is seeking a Full Stack Developer to support the CESO program delivering mission-focused software capabilities for DISA. This onsite role develops, tests, and maintains secure, reliable applications across the full technology stack (front-end, APIs/services, and data).

Based in Arlington, VA, the position requires an active TS/SCI clearance. You will switch between front-end and back-end work, collaborate with UX/design, and contribute to automated testing, deployments,

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, 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)

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.

Skills

Front-end fundamentals

APIs

Full stack development

CI/CD

DevSecOps

Education

BA/BS

Tools

Ansible

Terraform

JMETER

EC2

ELB

RDS

Lambda

Docker

GitLab

Jenkins

Ansible Automation

PSSQL

YAML

Terraform

Job description

Tetrad Digital Integrity is seeking a Full Stack Developer to support the CESO program delivering mission-focused software capabilities for DISA. This onsite role develops, tests, and maintains secure, reliable applications across the full technology stack (front-end, APIs/services, and data).

Based in Arlington, VA, the position requires an active TS/SCI clearance. You will switch between front-end and back-end work, collaborate with UX/design, and contribute to automated testing, deployments,