Senior Software Developer- Scrum Master with Security Clearance

Zachary Piper Solutions is seeking a Senior Software Developer – Scrum Master to support the development and modernization of mission-critical, cloud-native software systems in Gaithersburg, MD. The Senior Software Developer – Scrum Master will split responsibilities between hands-on Java software development and Scrum Master leadership, supporting Agile teams delivering real-time, safety-critical applications. This position involves developing microservices, implementing modern DevSecOps practices, and facilitating Agile delivery within a Scaled Agile Framework (SAFe) environment.

This position is hybrid, requiring three days onsite per week, and requires the ability to obtain and maintain a Public Trust clearance!

Responsibilities of the Senior Software Developer – Scrum Master: Spend approximately 50% of time designing, developing, testing, debugging, and maintaining production-quality Java applications and cloud-native microservices
Spend approximately 50% of time serving as Scrum Master, facilitating Agile ceremonies, removing impediments, and driving continuous improvement
Develop scalable microservices and RESTful APIs using Java, Spring Framework, Spring Boot, and Spring Security
Lead Agile ceremonies including sprint planning, daily standups, backlog refinement, sprint reviews, and retrospectives
Support SAFe activities including Program Increment (PI) Planning, system demonstrations, and inspect-and-adapt workshops
Track team velocity, flow metrics, sprint commitments, and PI objectives to improve delivery predictability
Collaborate with Product Owners, Release Train Engineers, software architects, and engineering teams to manage priorities, dependencies, and technical deliverables
Develop and maintain automated unit tests using JUnit, Mockito, and related testing frameworks
Integrate modern frontend technologies including React, JavaScript, HTML, and CSS
Support software architecture, technical design reviews, peer code reviews, and application performance optimization
Utilize Git, CI/CD pipelines, and DevSecOps practices to support secure and efficient software delivery
Leverage AI-assisted development tools to accelerate coding, debugging, refactoring, and automated testing
Support integration between modern cloud-native applications and legacy enterprise systems
Troubleshoot application issues across development, testing, and production environments
Identify and resolve cross-team dependencies, technical blockers, and delivery risks
Mentor junior developers and promote Agile best practices, software engineering standards, and team collaboration
Qualifications for the Senior Software Developer – Scrum Master: Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline with 8+ years of relevant experience; Master's degree with 6+ years of experience; equivalent professional experience may be considered
5+ years of hands-on experience designing, developing, testing, and maintaining production Java applications
2+ years of experience serving as a Scrum Master within a SAFe Agile software development environment
Strong experience developing microservices and RESTful APIs using Java, Spring Boot, Spring Framework, and Spring Security
Experience working with JSON, XML, XSD, and service integration technologies
Experience developing automated unit tests using JUnit, Mockito, or similar frameworks
Experience with frontend technologies including React, JavaScript, HTML, and CSS
Strong Linux experience, including application development and troubleshooting
Proficiency with Git version control and collaborative development workflows
Experience with CI/CD pipelines, DevOps practices, and automated software delivery
Experience with development tools such as IntelliJ IDEA, Eclipse, or Visual Studio Code
Strong understanding of software engineering principles, application architecture, and secure development practices
Experience facilitating Agile ceremonies, managing team dependencies, and driving continuous improvement
Excellent communication, technical leadership, and stakeholder management skills
Ability to obtain and maintain a Public Trust clearance

Preferred Qualifications: SAFe Scrum Master (SSM), SAFe Advanced Scrum Master (SASM), Certified ScrumMaster (CSM), or Professional Scrum Master (PSM) certification
Experience with AI-assisted coding tools such as Claude Code, OpenAI Codex, or similar technologies
Experience with hybrid cloud architectures, cloud-native platforms, and data mesh technologies
Experience with Docker, Kubernetes, and container orchestration
Experience with Kafka, event-driven architectures, or enterprise messaging systems
Python programming and Linux shell scripting experience
Experience with Ansible, YAML, and infrastructure automation
Experience with MongoDB or other NoSQL databases
Familiarity with FedRAMP, FISMA, or similar security compliance frameworks
Experience developing real-time, safety-critical, or highly regulated software systems
Experience supporting large-scale enterprise software modernization initiatives Comprehensive Benefits Package including Medical, Dental, Vision, 401(k), PTO, and Paid Holidays