Junior Full Stack Software Engineer (DevSecOps)

re-zoo-me; Herndon, Northern (VA, KY); Hybrid; USD 80,000 - 128,000; Full time

Benefits offered by this job

25 days PTO

Enhanced benefits

Bonus potential

Job summary

Peraton in Herndon, VA is seeking a junior software engineer to contribute to full-stack features in an Agile DevSecOps environment. You’ll fix bugs, ship enhancements, and learn best practices while collaborating with modern cloud, data, and messaging technologies.

You’ll work with product owners, UX, QA, and fellow engineers, documenting technical work in Confluence and tracking tasks in Jira to ensure high-quality, secure solutions.

Qualifications

• Bachelor's degree or higher in a relevant field with 2+ years of related experience or a Master's with related experience.
• Active TS/SCI with polygraph is required.
• Experience with two or more of: Java, Python, JavaScript/TypeScript; REST/JSON fundamentals; Docker.
• Familiarity with Agile/Scrum and basic Git usage.

Responsibilities

• Build and deliver software in sprints: design, develop, test, document, and integrate features across front-end and back-end services.
• Apply Agile engineering practices: backlog grooming, sprint planning, standups, demos, and retros.
• Support DevSecOps workflows: Git-based workflows, CI/CD pipelines, containerization, and deployment to production.
• Automate testing: unit/integration tests and simple scripts to improve quality and repeatability.
• Analyze legacy components and migrate to modern stacks and microservices.

Skills

Active TS/SCI with polygraph

Java (Spring/Spring Boot)

Python (FastAPI or Flask)

JavaScript/TypeScript (React/Angular)

REST/JSON fundamentals

Docker

AWS (EC2, S3)

Git & CI/CD basics

Education

Bachelor's degree in a field applicable to the position

Master's degree in a field applicable to the position

Tools

Poetry (Python packaging)

Jira

Confluence

Job description

About Peraton

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Program Overview

Improves sustainment efforts for new enhancements and capabilities while maintaining operational applications and their authority to operate. Program supports research, development, testing, and evaluation based on customer requirements and agile processes, while assisting with intelligence missions and global integration efforts.

About The Role

Join a cross-functional Scrum team building mission-focused software in an Agile DevSecOps environment in our Herndon, VA location. As a junior engineer, you'll contribute to full-stack features, participate in acceptance criteria development, automate tests using Open Source/COTS tools, document instructions, and support integration activities. You'll fix bugs, ship enhancements, and learn best practices while working with modern cloud, data, and messaging technologies.

What You’ll Do

• Build & deliver software in sprints: design, develop, test, document, and integrate features across front-end and back-end services.
• Apply Agile engineering practices: participate in backlog grooming, sprint planning, daily standups, demos, and retros.
• Support DevSecOps workflows: use Git-based workflows, CI/CD pipelines, and containerization to move changes from development to production.
• Automate testing: create unit/integration tests and simple scripts to improve quality and repeatability.
• Contribute to modernization: assist senior engineers in analyzing legacy ExtJS/Spring components and migrating to modern stacks and microservices.
• Collaborate & learn: work closely with product owners, UX, QA, and other engineers; document technical work in Confluence and track tasks in Jira.

Technologies You’ll Use (and grow into)

• Front-end: JavaScript/TypeScript with React or Angular, HTML5, CSS3, responsive design; exposure to state management (Redux/NgRx) and modern build tools (Webpack, Vite, Angular CLI).
• Back-end: Python 3.8+ (FastAPI or Flask), OR Java (Spring/Spring Boot); RESTful API design and OpenAPI/Swagger.
• Messaging: Basic understanding of message brokers (e.g., ActiveMQ), JMS/STOMP concepts; integrating Python apps (e.g., stomp.py).
• Data: PostgreSQL, MongoDB (schemas, indexing), and AWS managed databases (DynamoDB, DocumentDB).
• Search & Analytics: Exposure to Elasticsearch (v8+)-index management, query DSL, analyzers/tokenizers, Python client usage.
• Cloud & DevOps: AWS (EC2, S3), Docker, Kubernetes (foundational), CI/CD with Jenkins, GitLab CI or GitHub Actions; infrastructure-as-code (intro level).
• Testing & Quality: JUnit, Pytest, Jest; familiarity with integration/E2E tools (Cypress, Selenium) and TDD concepts.
• Security: Awareness of secure API design, OAuth2/JWT, CORS configuration, and OWASP-aligned practices.

Qualifications

Required Qualifications

• A Bachelor's degree in an area applicable to the position with 2+ years of relevant experience OR a Master's degree in an area applicable to the position; an additional 4 years of experience maybe considered in lieu of a degree requirement.
• Active TS/SCI with polygraph (required)
• Programming: Coursework or hands-on experience in two or more of the following:
• Java (Spring/Spring Boot),
• Python (FastAPI or Flask; package management with Poetry is a plus),
• JavaScript/TypeScript (React ecosystem or Angular).
• Core skills: REST/JSON fundamentals; basic Git usage; familiarity with Agile/Scrum; exposure to Docker.
• Cloud/Data: Experience or coursework with AWS services (e.g., EC2, S3, plus one of PostgreSQL, DynamoDB, DocumentDB).
• Testing: Experience with unit testing (e.g., JUnit, Pytest, or similar).

Desired

• Front-end state management (Redux, NgRx); modern build tooling (Webpack, Vite, Angular CLI).
• Python async/await and ASGI servers (Uvicorn/Hypercorn).
• Elasticsearch basics (indexing, query DSL) and Python client usage.
• MongoDB schemas, aggregation pipelines, performance tuning; drivers (PyMongo or Motor).
• Message broker familiarity (ActiveMQ, JMS/STOMP).
• CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions); infrastructure-as-code (Terraform/CloudFormation).
• Kubernetes fundamentals; container orchestration patterns.
• Legacy analysis/migration: ExtJS and Spring to modern microservices/API gateway patterns.
• E2E testing (Cypress/Selenium); integration testing strategies.
• Collaboration tooling (Jira, Confluence); code reviews and branching strategies.
• Monitoring/observability awareness (Prometheus, Grafana, ELK).

Soft Skills

• Strong analytical and problem-solving mindset; curiosity to learn and ask great questions.
• Clear written and verbal communication for documenting and collaborating.
• Team-oriented with the ability to work independently on assigned tasks.
• Receptive to feedback and mentoring; growth-oriented attitude.

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Details

Target Salary Range: $80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.