Sr. Software Developer / Scrum Master - 176800

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.

Responsibilities of the Scrum Master / Sr. Software Developer:

Software Development — 50%

• 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, DevSecOps, and AI-assisted development tools.
• Mentor junior engineers and maintain code quality standards.

Scrum Master — 50%

• 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.

Qualifications for the Scrum Master / Sr. Software Developer:

• 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.
• DevOps: CI/CD pipelines and modern DevOps 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/NoSQL.
  • 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.

Compensation for the Scrum Master / Sr. Software Developer:

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

This job opens for applications on 10/12. Applications for this job will be accepted for at least 30 days from the posting date.

#LI-MS1

#LI-HYBRID

Keywords: Senior Software Developer, Senior Software Engineer, Java Developer, Java Software Engineer, Full Stack Developer, Backend Developer, Scrum Master, Technical Scrum Master, SAFe Scrum Master, Software Development, Software Engineering, Java, Java SE, Java EE, J2EE, Spring Framework, Spring Boot, Spring Security, Spring MVC, Spring Data, Spring Cloud, Microservices, Microservices Architecture, Cloud-Native Applications, RESTful APIs, REST API Development, API Integration, JSON, XML, XSD, Web Services, React, React.js, JavaScript, HTML, HTML5, CSS, CSS3, Frontend Development, Backend Development, Full Stack Development, JUnit, Mockito, Unit Testing, Integration Testing, Automated Testing, Test-Driven Development, TDD, Code Reviews, Debugging, Software Architecture, Software Design, Object-Oriented Programming, OOP, Design Patterns, SOLID Principles, SDLC, Agile Software Development, Agile Methodologies, Scrum, Scrum Master, SAFe Agile, Scaled Agile Framework, SAFe, Agile Release Train, ART, Release Train Engineer, RTE, Program Increment Planning, PI Planning, Sprint Planning, Iteration Planning, Backlog Refinement, Sprint Retrospectives, System Demos, Inspect and Adapt, Agile Ceremonies, Agile Coaching, Servant Leadership, Continuous Improvement, Cross-Team Dependencies, Velocity Tracking, Flow Metrics, Sprint Execution, Jira, Confluence, Linux, Unix, Linux Administration, Linux Shell Scripting, Bash, Git, GitHub, GitLab, Bitbucket, CI/CD, Continuous Integration, Continuous Delivery, Continuous Deployment, DevOps, DevSecOps, Jenkins, GitLab CI, GitHub Actions, Maven, Gradle, IntelliJ IDEA, Eclipse, Visual Studio Code, VS Code, Docker, Kubernetes, Containerization, Container Orchestration, Hybrid Cloud, Cloud Computing, Cloud-Native Development, Cloud-Native Architecture, Data Mesh, Distributed Systems, Event-Driven Architecture, Apache Kafka, Messaging Systems, Terraform, Infrastructure as Code, IaC, Ansible, YAML, Python, MongoDB, NoSQL, AI-Assisted Development, AI-Assisted Coding, Claude Code, OpenAI Codex, Generative AI, Secure Software Development, Cybersecurity, FedRAMP, FISMA, Public Trust, Federal Government, Government Contracting, FAA, Federal Aviation Administration, Air Traffic Control, Air Traffic Management, Air Traffic Systems, National Airspace System, NAS, Common Automation Platform, CAP, L-CAP, ERAM, En Route Automation Modernization, STARS, Standard Terminal Automation Replacement System, Safety-Critical Systems, Mission-Critical Systems, Real-Time Systems, Legacy System Modernization, Systems Integration, Production Support, Application Deployment, Technical Leadership, Stakeholder Management, Cross-Functional Collaboration, SAFe Scrum Master Certification, SSM, SAFe Advanced Scrum Master, SASM, Certified Scrum Master, CSM, Professional Scrum Master, PSM