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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Software Engineer - **Company:** CareerCircle - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $107,900.0 - $195,050.0 - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), XML Schema, Spring Security, Agile Methodology, Artificial Intelligence, Systems Engineering, Confluence, Automation of Tests, Unit Testing, Behavior-Driven Development, Cascading Style Sheets (CSS), Cloud Computing, Cloud Engineering, Configuration Management, Collaborative Software, Signals Intelligence, Cyber Security, Continuous Delivery, Continuous Integration, Software Debugging, Linux, DevOps, Programming Tools, Web Development, Eclipse (Software), Github, Integrated Development Environments, Spring Framework, JavaScript Libraries, JSON, Junit, Python (Programming Language), Key Management, Unix Shell, MongoDB, Pair Programming, Public Key Infrastructure, Scrum Methodology, Software Architecture, Release Management, Mockito, Ansible, Scaled Agile Framework, Shell Script, Software Engineering, Software Systems, Subversion, Extensible Markup Language (XML), YAML, Java Application Server, Computer Network Operations, Cloud Platform System, Test-Driven Development (TDD), ReactJS, Spring-boot, Git, Integration Tests, Kubernetes, Information Technology, Front End Software Development, Restful APIs, Software Version Control, Devsecops, Jenkins, Microservices - **Published:** July 26, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/md/gaithersburg/4b9d6279-f34a-40ad-b249-9f7e26f6ee9b ## About the Role * Bachelor's degree in Computer Science or a related field with 8+ years of relevant experience or a Master's degree with 6+ years of prior experience. May also possess a Doctorate * 5+ years of experience designing, developing, testing, and reviewing Java applications. * 2+ years of experience serving as a Scrum Master on a SAFe Agile team within a large-scale software development environment. * Extensive experience with Web development and commonly used front-end tools and languages (React, HTML, CSS, JavaScript) * Extensive experience with unit testing tools such as Junit and Mockito * Experience with RESTful API, JSON, XML, XSD * Significant experience with Spring Framework, Spring Security, and Spring Boot * Significant experience with Linux * Significant experience with version control systems such as Git or Subversion * Experience with common development tools and IDEs (Eclipse, VS Code, etc.) * Understanding of sound software development principles and practices * Ability to effectively communicate verbally and in writing * Ability to obtain SF-85 Public Trust (Tier 2) suitability determination * US citizenship required Preferred Qualifications: * Knowledge of or experience with AI-assisted coding (Claude Code, Codex etc.) * Knowledge of or experience with microservices and cloud-based environments * Knowledge of or experience with Python programming language * Knowledge of or experience with Ansible playbooks and YAML * Knowledge of or experience with Linux shell scripting * Knowledge of or experience with MongoDB * Knowledge of air traffic control and flight services, DevOps Planning Teamwork Equities Leadership Purchasing Mitigation User Story Upskilling Digital.ai Market Data Cryptography Communication Prioritization Key Management Detail Oriented Time Management Test Automation Sprint Planning Ancient History Software Systems Pair Programming Agile Methodology Kanban Principles Analytical Method Development Testing Systems Engineering Time Off Management Security Engineering Software Development Technological Change Signals Intelligence Continuous Deployment Sprint Retrospectives Recognizing Strengths Test Automation Tools Continuous Integration Collaborative Software Certified Scrum Master Scaled Agile Framework Agile Project Management Public Key Infrastructure Certified SAFe Scrum Master Behavior-Driven Development Computer Network Operations Scrum (Software Development) Continuous-Flow Manufacturing Test-Driven Development (TDD) PMI Agile Certified Practitioner Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0, Github Jenkins Planning Equities Backlogs DevSecOps Operations Leadership Mentorship Governance Innovation Kubernetes Mitigation Market Data Communication Accountability Cyber Security Prioritization Sprint Planning Ancient History Computer Science Agile Leadership Agile Methodology Change Management Kanban Principles Lean Manufacturing Release Management Software Solutions Process Improvement Development Testing Integration Testing Software Engineering Software Development Lifecycle Management Atlassian Confluence Sprint Retrospectives Communication Release Cloud-Native Computing Stakeholder Management Certified Scrum Master Configuration Management Agile Software Development Collaborate with Engineers Certified SAFe Scrum Master Scrum (Software Development) PMI Agile Certified Practitioner SAFe Release Train Engineer (RTE) Project Management Professional Certification Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Google IT Automation with Python Google Project Management ## Description CI/CD Junit Ansible VS Code Aviation Equities Debugging DevSecOps Pipelines Leadership Management Unix Shell SAFe Agile Scalability Market Data RESTful API Claude Code Unit Testing Microservices Version Control Web Development Spring Security Ancient History Computer Science Technical Design Spring Framework Agile Methodology Programming Tools Eclipse (Software) Development Testing Air Traffic Control Software Engineering Software Development Software Architecture Cloud-Native Computing Operational Efficiency Artificial Intelligence Agile Software Development Java (Programming Language) Git (Version Control System) Cascading Style Sheets (CSS) Scrum (Software Development) React.js (Javascript Library) Python (Programming Language) Continuous Improvement Process Federal Aviation Administration Front End (Software Engineering) Extensible Markup Language (XML) HyperText Markup Language (HTML) Troubleshooting (Problem Solving) JavaScript (Programming Language), Leidos is seeking Senior Java Software Engineer - Scrum Master to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments. These efforts focus on delivering mission-critical, future-ready solutions that provide safety-critical flight services to the pilot community. This is a hybrid technical role where approximately 50% of your time will be spent designing, developing, testing, and maintaining production software, while the remaining 50% will be dedicated to serving as Scrum Master for an Agile development team. We are looking for experienced software engineers who enjoy facilitating Agile teams while remaining actively involved in coding, technical design, reviews, and software delivery. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native capabilities. You will work alongside cross-functional teams and technical leaders to deliver predictable outcomes in a highly regulated, safety-critical environment., * Approximately 50% hands-on software engineering: Design, develop, test, review, debug, deploy, and maintain production-quality cloud-native Java microservices while contributing to software architecture and technical design decisions. * Approximately 50% Scrum Master responsibilities: Facilitate Agile ceremonies, remove impediments, promote continuous improvement, and help the team deliver predictable sprint outcomes. * Leverage modern DevSecOps practices, CI/CD pipelines, AI-assisted development tools, and engineering best practices to accelerate the delivery of secure, high-quality software. * Coordinate with the Release Train Engineer, management, and cross-functional stakeholders to communicate team status, risks, dependencies, and delivery progress. * Support deployment, operational troubleshooting, and resolution of critical issues in development, test, and production environments. * Mentor junior engineers and foster collaboration across engineering teams to ensure successful sprint execution and project delivery., CI/CD Junit Ansible VS Code Aviation Equities Debugging DevSecOps Pipelines Leadership Management Unix Shell SAFe Agile Scalability Market Data RESTful API Claude Code Unit Testing Microservices Version Control Web Development Spring Security Ancient History Computer Science Technical Design Spring Framework Agile Methodology Programming Tools Eclipse (Software) Development Testing Air Traffic Control Software Engineering Software Development Software Architecture Cloud-Native Computing Operational Efficiency Artificial Intelligence Agile Software Development Java (Programming Language) Git (Version Control System) Cascading Style Sheets (CSS) Scrum (Software Development) React.js (Javascript Library) Python (Programming Language) Continuous Improvement Process Federal Aviation Administration Front End (Software Engineering) Extensible Markup Language (XML) HyperText Markup Language (HTML) Troubleshooting (Problem Solving) JavaScript (Programming Language) +0 Google IT Automation with Python ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [CI/CD with Github Actions](https://www.wearedevelopers.com/videos/856-ci-cd-with-github-actions) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Dev Digest 119 - ❤️ === ❤️](https://www.wearedevelopers.com/magazine/454-dev-digest-119) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this)