Senior Full-Stack Engineer (TS/SCI) | AWS & Next.js

ATR, LLC; Springfield (VA); On-site; USD 130,000 - 170,000; Full time

Job summary

ATR, LLC is seeking a Sr. Full Stack Developer to build browser-based applications in support of cybersecurity risk management. You will work with a modern stack (React/NodeJS, NextJS, Python) deployed in AWS (Lambda, Redshift, RDS, EC2, S3) and Docker.

The role requires a TS/SCI clearance, 10+ years of experience, and strong full stack capabilities across NextJS and SQL. You will join an Agile team delivering secure, scalable software.

Qualifications

• Active TS/SCI clearance required.
• Bachelor’s degree in Computer Science or related field.
• 10+ years of professional experience.

Responsibilities

• Develop and maintain modern web apps using NextJS.
• Implement back-end SQL data modeling for a seamless UX.
• Integrate front-end with back-end via RESTful APIs.
• Participate in Agile sprint cycles, planning, and reviews.
• Troubleshoot issues and prioritize bug fixes.
• Ensure accessibility, performance, and usability best practices.

Skills

TS/SCI clearance

Senior experience

Full stack development

RESTful APIs

Agile/Sprint

Testing & debugging

Leadership

FISMA RMF familiarity

Next.js

SQL (Postgres/T‑SQL/Redshift)

Docker

AWS

Communication skills

Customer-facing

Education

Bachelor’s degree in Computer Science or related field

Tools

Docker

AWS

Job description

ATR, LLC is seeking a Sr. Full Stack Developer to build browser-based applications in support of cybersecurity risk management. You will work with a modern stack (React/NodeJS, NextJS, Python) deployed in AWS (Lambda, Redshift, RDS, EC2, S3) and Docker.

The role requires a TS/SCI clearance, 10+ years of experience, and strong full stack capabilities across NextJS and SQL. You will join an Agile team delivering secure, scalable software.