Journeyman Software Engineer (TS/SCI with Polygraph)

Yellow Duck Technologies is seeking a cleared Journeyman Software Engineer to support the design, development, testing, and deployment of complex software systems for mission-critical offensive cyber operations. This position applies software engineering principles and SAFe Agile methodologies to deliver scalable, secure, and high-performance applications. The engineer works within cross-functional teams to implement features that meet technical, functional, and security requirements throughout the software lifecycle.

Responsibilities:

• Develop software features according to user stories and acceptance criteria.
• Write clean, maintainable, and well-documented code.
• Implement automated unit and integration tests (80% coverage minimum).
• Participate in code reviews and pair programming.
• Support DevSecOps pipeline implementation and maintenance.
• Develop microservices using containerization technologies.
• Integrate with Government platform services and APIs.
• Participate in all team-level SAFe ceremonies.
• Support troubleshooting and production issue resolution.
• Contribute to technical documentation and knowledge transfer.

Requirements:

• Must have an active TS/SCI clearance with polygraph.
• Bachelor's degree in Computer Science, Engineering, or related field. An additional 4 years of experience may substitute for a Bachelor’s degree.
• 7+ years of software development experience.
• Proficiency in one or more languages: Python, Java, Go, JavaScript/TypeScript.
• Experience with microservices architecture and containerization (Docker, Kubernetes).
• Knowledge of DevSecOps practices and CI/CD pipelines.
• Experience with test-driven development (TDD) and automated testing.
• Familiarity with Git version control and collaborative development.
• Understanding of RESTful API design and implementation.
• Experience with Linux/Unix environments.

Yellow Duck Technologies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, ethnicity, religion, sex, sexual orientation, gender identity and expression, national origin, disability, genetic information, veteran status, or any other protected characteristic or class.