cleared Journeyman Software Engineer

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.

• 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.