Zachary Piper Solutions is seeking a Senior Software Developer – Scrum Master to support a company focused on modernizing critical national aviation systems through the development of a next-generation air traffic management platform. This position is hybrid, requiring onsite support in Gaithersburg, MD; Eagan, MN; or Egg Harbor Township, NJ (3 days onsite, 2 days remote). The Senior Software Developer – Scrum Master will split responsibilities between hands-on software engineering and Agile team leadership, supporting the development of cloud-native applications while facilitating Scrum ceremonies and driving SAFe Agile delivery. This is an opportunity to contribute to a mission-critical platform that will help shape the future of U.S. air traffic operations and national airspace safety. Responsibilities for the Senior Software Developer – Scrum Master include: • Design, develop, test, review, deploy, and maintain production-quality Java-based cloud-native microservices and APIs • Serve as Scrum Master for an Agile development team, facilitating sprint planning, daily standups, retrospectives, backlog refinement, and PI planning activities • Collaborate with Product Owners, Release Train Engineers, and cross-functional teams to manage dependencies, resolve blockers, and ensure successful delivery outcomes • Support DevSecOps initiatives through CI/CD pipelines, automated testing, code reviews, and modern software development best practices • Troubleshoot, maintain, and enhance complex distributed systems operating in highly regulated, mission-critical environments Required Qualifications for the Senior Software Developer – Scrum Master include: • 8+ years of software development experience with a Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience); Master's degree with 6+ years also considered • 5+ years of experience developing, testing, and supporting production Java applications • 2+ years of experience serving as a Scrum Master within a SAFe Agile environment • Strong experience with Java, Spring Framework, Spring Boot, Spring Security, RESTful APIs, microservices, JSON, XML, and XSD • Experience with JUnit, Mockito, Git, Linux, CI/CD pipelines, and modern DevOps practices • Experience with frontend technologies including React, JavaScript, HTML, and CSS • Strong communication skills with both technical and non-technical stakeholders • Ability to obtain and maintain a Public Trust clearance Compensation for the Senior Software Developer – Scrum Master include: Salary Range: Up to $140.50/hour depending on experience Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick Leave as required by law #LI-JB1 Keywords: Senior Software Developer, Scrum Master, SAFe Agile, Java Developer, Spring Boot, Spring Framework, Spring Security, Microservices, REST API, Cloud Native Development, DevSecOps, CI/CD, Git, Linux, React, JavaScript, Kubernetes, Docker, Hybrid Cloud, Data Mesh, Public Trust Clearance, Software Engineering, Agile Release Train, FAA Programs, Air Traffic Management, JUnit, Mockito, Government Contracting, Distributed Systems, DevOps Engineer, Platform Engineering