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Junior Full Stack Software Engineer (DevSecOps)

PeratonMcLean, VAL4 MidSeptember 15th, 2026
Overview In this role you contribute to a cross-functional Scrum team delivering mission-focused software in an Agile DevSecOps setting. You will work on full-stack features, automate tests, and support modernization of legacy components while collaborating with product, UX, QA, and other engineers. You’ll gain experience across cloud, data, and messaging technologies, helping to ship improvements in a secure, scalable environment. This position offers hands-on growth in a national security program with opportunities to influence architectural decisions and best practices. You will work closely with cross-functional teams to deliver impactful solutions at pace. Compensation / Benefitssubsidized employee benefits for dependents25 days of PTO annuallybonus plan eligibility ResponsibilitiesDesign, develop, test, document, and integrate features across frontend and backend services in sprintsParticipate in backlog grooming, sprint planning, daily standups, demos, and retrosSupport DevSecOps workflows with Git-based processes, CI/CD pipelines, and containerizationAutomate unit and integration tests and develop scripts to improve quality and repeatabilityAssist in modernizing legacy ExtJS/Spring components toward modern microservicesCollaborate with product owners, UX, QA, and engineers; document work in Confluence and track tasks in Jira Key requirementsBachelor or Master in a relevant field; 2+ years of experience, or 4 years of experience in lieu of degreeActive TS/SCI with polygraphExperience or coursework in two or more: Java (Spring Boot), Python (FastAPI/Flask), JavaScript/TypeScript (React/Angular)Core skills: REST/JSON, Git, Agile/Scrum, DockerCloud/Data: AWS services + PostgreSQL, DynamoDB, or DocumentDBTesting: unit testing with JUnit or PytestStrong analytical and problem-solving mindsetCuriosity and eagerness to learnClear written and verbal communicationFront-end: JavaScript/TypeScript with React or Angular, state management (Redux/NgRx)Back-end: Python (FastAPI/Flask) or Java (Spring Boot), REST/OpenAPIMessaging: ActiveMQ, JMS/STOMP concepts