Scrum Master / Sr. Software Developer

About the role

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 is a hybrid position; candidates must be located within a one‑hour drive of Gaithersburg, MD; Eagan, MN; or Egg Harbor Township, NJ. The role splits time 50% hands‑on Java software development and 50% SAFe Agile leadership, supporting modernization of mission‑critical air traffic management systems through cloud‑native applications and Agile software delivery.

Responsibilities

• 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

• Education/Experience: 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/non‑technical communication.
• Eligible for Public Trust clearance.

Benefits

• Medical, Dental, Vision
• 401k Plan
• PTO, Holidays, Sick Leave (if required by law)

Pay

Salary: $160,000 - $180,000 (depending on experience)