Senior Full Stack Developer with Security Clearance

GCyber; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

GCyber in Arlington, VA is seeking a Full Stack Developer to support a government customer. You will design, build, test, and maintain secure, scalable applications across UI, APIs, and data layers using Java, JavaScript, Python, and Spring Boot in an Agile team.

You will deploy cloud-based solutions, implement CI/CD pipelines, and collaborate across disciplines to deliver secure software that meets DoD requirements.

Qualifications

• Full stack development across UI, API/service, business logic and data access layers.
• Experience with Java, JavaScript, Python and Spring Boot.
• Agile development environment and cross-functional collaboration.
• Hands-on with cloud and DevSecOps practices.

Responsibilities

• Design, develop, test, and maintain full‑stack applications across UI, API/service, business logic and data access layers.
• Develop and optimize front‑end features, back‑end services, APIs, databases, and data models.
• Implement automated testing, code reviews, troubleshooting, and defect resolution.
• Engineer infrastructure and CI/CD capabilities using CloudFormation, Terraform, Ansible, GitLab, and Bitbucket; support release management and security compliance.

Job description

GCyber is seeking a Full Stack Developer, to support our government customer. This role develops, tests, and maintains secure, reliable applications across the full technology stack (front-end, APIs/services, and data). Full stack developers can switch between front-end and back-end development based on requirements and help the team prototype rapidly when needed. As the Full Stack Developer, you will:

• Design, develop, test, and maintain full-stack applications across UI, API/service, business logic, and data access layers using Java, JavaScript, Python, and Spring Boot in an Agile environment.
• Develop and optimize responsive front-end features, back-end services, APIs, integrations, database architectures, queries, and data models to support modernization and cloud adoption.
• Implement automated testing, code reviews, troubleshooting, debugging, and defect resolution while ensuring application quality, security, performance, reliability, and maintainability.
• Engineer and automate infrastructure, deployments, and CI/CD capabilities using CloudFormation, Terraform, Ansible, GitLab, and Bitbucket; support integration/testing environments, release management, patching, vulnerability scanning, logging, and compliance.
• Support operational excellence through monitoring, alerting, incident response, and continuous improvement while maintaining technical documentation, runbooks, diagrams, and participating in Agile ceremonies and Jira-based task management.

Minimum Requirements and Experience

• Active DoD Top Secret clearance and SCI eligible to obtain and maintain a CI Poly.
• BA/BS and 8 years minimum of experience in Information Technology
• Active IAT II certification
• Demonstrated full-stack development experience across front-end, back-end, API, database, and responsive web application development using HTML, CSS, JavaScript, Java, and SQL.
• Hands-on experience with Oracle, SQL Server, cloud technologies, AWS services including EC2, ELB, RDS, Lambda, and Docker, as well as data integration and engineered systems.
• Strong experience with DevSecOps, automated testing, CI/CD, deployment orchestration, and infrastructure automation using Ansible, Terraform, CloudFormation, GitLab, Jenkins, Bitbucket, and JMeter.
• Proven ability to collaborate effectively across cross-functional teams and contribute throughout the software development lifecycle, including development, testing, deployment, security configuration, and operational support.