Sr. Software Developer​/Scrum Master

Zachary Piper Solutions is seeking a Scrum Master / Sr. Software Developer to support a leading federal technology and defense contractor delivering mission-critical software and modernization solutions for government agencies..
This a HYBRID position, candidates must be located within a 1 hour drive from
Gaithersburg, MD;
Eagan, MN; or Egg Harbor Township, NJ.

The Scrum Master / Sr. Software Developer will split responsibilities between hands-on Java software development and SAFe Agile leadership, supporting the modernization of mission-critical air traffic management systems through cloud-native applications and Agile software delivery.

• Design, develop, test, debug, deploy, and maintain production Java applications and cloud-native microservices.
• Contribute to architecture, technical design, code reviews, and automated testing.
• Support integration with legacy air traffic systems and new platform components.
• Troubleshoot development, testing, and production issues.
• Utilize CI/CD, Dev Sec Ops , and AI-assisted development tools.
• Mentor junior engineers and maintain code quality standards.

• Lead SAFe Agile ceremonies, including PI planning, sprint planning, backlog refinement, system demos, and inspect-and-adapt workshops.
• Remove impediments and drive continuous improvement.
• Track velocity, flow metrics, sprint progress, and PI objectives.
• Coordinate with Release Train Engineers, Product Owners, management, and stakeholders.
• Manage cross-team/ART dependencies, risks, and blockers.
• Drive predictable sprint execution and program delivery.

• Experience/
  
  Education:
  
  Bachelor's + 8 years relevant experience OR Master's + 6 years; equivalent experience accepted in lieu of degree.
• Java: 5+ years designing, developing, testing, and reviewing production applications.
• Scrum Master: 2+ years serving as Scrum Master on a SAFe Agile team within a large-scale software development environment.
• Spring: Significant hands-on Spring Framework, Spring Boot, and Spring Security experience.
• Microservices/APIs: Design and implementation of microservices and RESTful APIs; JSON, XML, XSD.
• Frontend: React, JavaScript, HTML, CSS.
• Testing: JUnit, Mockito, or equivalent unit testing frameworks.
• Linux & Git: Significant experience with both.
• Dev Ops: CI/CD pipelines and modern Dev Ops practices.
• Development Tools: IntelliJ, Eclipse, VS Code, or equivalent IDEs.
• Software Engineering: Strong development principles, best practices, and technical/nontechnical communication.
• Eligible for Public Trust clearance*
• Desired/Nice-to-Have:
  • Certifications: SAFe SSM, SASM, CSM, PSM.
  • Cloud: Hybrid cloud, data mesh, cloud-native services.
  • Containers: Docker, Kubernetes.
  • Messaging: Kafka, event-driven architecture.
  • Additional Technologies: Python, Ansible, YAML, Linux shell scripting, MongoDB/No
    
    SQL.
  • AI Development: Claude Code, Codex, or comparable AI-assisted coding tools.
  • Government/Security: FedRAMP, FISMA, large government programs.
  • Domain: Safety-critical systems, air traffic control/management, flight services.

• Salary: $160,000 - $180,000
  * depending on experience*
• Comprehensive Benefits:
  Medical, Dental, Vision, 401k Plan, PTO, Holidays, Sick Leave if required by law