Onsite Full-Stack Developer – TS/SCI Clearance

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

Job summary

Tetrad Digital Integrity (TDI) is seeking a Full Stack Developer in Arlington, VA, to support the CESO program delivering mission-focused software for DISA. The role is onsite five days a week and requires an active TS/SCI clearance.

You will design, develop, test, and maintain full-stack applications across UI, APIs, and data layers, switching between front-end and back-end work as needed. Strong experience across full stack and cloud-enabled environments is essential.

Qualifications

• 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)
• Hands-on experience with APIs, server-side logic, and database interaction
• Strong background in automated testing, CI/CD, and modern software delivery practices

Responsibilities

• Design, develop, test, and maintain full-stack applications (UI, service/API layer, and data access layer) in an Agile delivery environment
• Implement responsive, user-friendly front-end features and collaborate with UX/design
• Build and maintain back-end services and APIs; implement business logic and data access patterns
• Develop and evolve a modernized database architecture, 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 environments
• Produce technical documentation (design notes, API documentation, runbooks)
• Operate and improve reliability/availability through monitoring and incident response
• Stage new services/components to integration and testing environments
• Develop infrastructure and architecture to support CI/CD and modern practices
• Support deployment orchestration, automation, and security configuration management
• Maintain documentation of code developed for CESO environments
• Support patching, logging, vulnerability scanning, and compliance tracking
• Participate in Agile ceremonies and Jira-based task tracking

Skills

Full stack development

API services

CI/CD

Automated testing

Cloud technologies

DevSecOps

Cross-functional teamwork

Education

Bachelor's degree in IT/CS

Tools

Ansible

Terraform

JMETER

EC2

ELB

RDS

Lambda

Docker

Job description

Tetrad Digital Integrity (TDI) is seeking a Full Stack Developer in Arlington, VA, to support the CESO program delivering mission-focused software for DISA. The role is onsite five days a week and requires an active TS/SCI clearance.

You will design, develop, test, and maintain full-stack applications across UI, APIs, and data layers, switching between front-end and back-end work as needed. Strong experience across full stack and cloud-enabled environments is essential.