Full-Stack Engineer, TS/SCI – Arlington Onsite

Tetrad-Digital-Integrity-LL; Arlington (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Tetrad Digital Integrity in Arlington, VA is seeking a Full Stack Developer to support the CESO program, delivering mission-focused software across the full technology stack (UI, APIs/services, and data). You will design, develop, test, and maintain secure, reliable applications, switching between front-end and back-end work as needed to prototype rapidly.

Onsite five days a week; active TS/SCI clearance with SCI eligibility is required.

Qualifications

• 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.
• Hands-on experience with APIs, server-side logic, and database interaction.
• 4+ years with tools like Ansible, Terraform, JMETER, EC2, ELB, RDS, Lambda, Docker.
• Strong CI/CD and modern software delivery practices.

Responsibilities

• Design, develop, test, and maintain full-stack applications (UI, service/API layer, and data access) in an Agile environment.
• Participate in software initiatives to enable innovation, using Java, JavaScript, Python, SpringBoot.
• Implement responsive front-end features and collaborate with UX/design for accessible experiences.
• Build and maintain back-end services and APIs; develop business logic and data access patterns.
• Develop and evolve database architecture, including cloud adoption and data modeling.
• Write automated tests, conduct code reviews, and support production issue resolution.
• Produce technical documentation (design notes, API docs, runbooks) aligned to program needs.
• Support deployment orchestration, security configuration management, and continuous improvement.

Skills

Full stack development

Front-end development

Back-end development

UI/UX collaboration

CI/CD

Security-focused development

Cloud technologies

Agile methodologies

Problem solving

Education

BA/BS in a technical field

Tools

Ansible

Terraform

Jenkins

GitLab

Docker

EC2

RDS

Lambda

CloudFormation

Job description

Tetrad Digital Integrity in Arlington, VA is seeking a Full Stack Developer to support the CESO program, delivering mission-focused software across the full technology stack (UI, APIs/services, and data). You will design, develop, test, and maintain secure, reliable applications, switching between front-end and back-end work as needed to prototype rapidly.

Onsite five days a week; active TS/SCI clearance with SCI eligibility is required.