Sr. Software Developer / Scrum Master - 176800

Zachary Piper Solutions; Gaithersburg (MD); Hybrid; USD 160,000 - 180,000; Full time

Job summary

Zachary Piper Solutions is seeking a Scrum Master / Sr. Software Developer to support a federal technology and defense contractor. Hybrid role; candidates should be within an hour of Gaithersburg, MD, Eagan, MN, or Egg Harbor Township, NJ.

You will split duties 50/50 between hands-on Java software development and SAFe Agile leadership, modernizing air traffic management systems with cloud-native apps and agile software delivery.

Qualifications

• Bachelor's or higher with 8+ years experience or Master's with 6+ years.
• 5+ years of Java design, development, testing and reviews.
• 2+ years as Scrum Master on a SAFe agile team.
• Strong Spring Framework, Spring Boot and Spring Security experience.
• Design/implement microservices and RESTful APIs (JSON/XML).
• Frontend: React, JavaScript, HTML, CSS; testing basics.
• Linux exposure and Git proficiency; CI/CD and DevOps practices.
• Eligible for Public Trust clearance.

Responsibilities

• Software Development — design, develop, test, deploy, and maintain Java apps and cloud-native microservices.
• Contribute to architecture, design reviews, automated testing, and code quality.
• Integrate with legacy air traffic systems and new components.
• Troubleshoot development, testing, and production issues; use CI/CD/DevSecOps.
• Mentor junior engineers and uphold coding standards.
• Scrum Master — lead SAFe ceremonies, remove impediments, track velocity and delivery metrics.
• Coordinate with Release Train Engineers, Product Owners and stakeholders.
• Manage cross-team dependencies, risks, and blockers for program delivery.

Skills

Java

SAFe Agile

Microservices

REST APIs

React

CI/CD

DevSecOps

Code reviews

Mentoring

Education

Bachelor's degree

Master's degree

Tools

IntelliJ

Eclipse

VS Code

Docker

Kubernetes

Git

Job description

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