Senior Software Developer

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.

In this position, you will design and implement software solutions independently while working closely with systems engineering, product delivery, and DevSecOps teams. The primary focus is on developing containerized applications within an Agile/SAFe environment. This position supports government programs and requires the ability to obtain and maintain a favorable Public Trust investigation.

Primary Responsibilities

• Responsible for software development activities both individually and as a member of a team including writing, testing, debugging, and maintaining source code within an Agile environment.
• Use AI-assisted development tools to accelerate coding, refactoring, debugging, and test creation.
• Develop solutions to complex issues and problems that impact multiple areas or disciplines.
• Actively participate in Agile scrum ceremonies and other related team activities.
• Troubleshoot and participate in the resolution of technical issues in lab and operational environments.
• Provide support as needed for system engineering, test engineering, and system owner teams.
• Communicate with internal team members across multiple areas and client team members. May communicate with parties external to the organization.

• Bachelor’s degree in Computer Science or a related field with 8-12 years of relevant experience, or a Master’s degree with 6-10 years of experience. May also possess a Doctorate.
• Expert knowledge of Java with substantial hands-on programming experience
• 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
• Significant 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.)
• Experience working within the Agile Scrum framework
• 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

• Experience with AI-assisted coding (Claude Code, Codex etc.)
• 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

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.