Senior Software Developer

Description

Leidos' Defense Sector is seeking a Senior Software Developer to support an Army Program focused on delivering advanced capabilities for operational decision-making in complex and dynamic environments. The Senior Software Developer leads the design, development, and delivery of complex software systems across the full engineering lifecycle. This role requires deep technical expertise, strong architectural judgment, and the ability to mentor and guide development teams. The developer will collaborate with cross-functional stakeholders, drive technical decision-making, and ensure that software solutions are scalable, secure, and maintainable. This position is ideal for someone who excels at solving challenging problems and influencing long-term technical strategy.

Locations include Aberdeen Proving Ground, MD; Fort Belvoir, FL; Tampa, FL

This position is contingent upon program award, anticipated late March.

This role is open to candidates with a wide range of experience levels. The scope of the position and corresponding compensation will be aligned with the candidate's background and expertise.

Primary Responsibilities:

• Lead the design, implementation, and optimization of software applications, services, and system components.
• Architect scalable, reliable, and secure solutions aligned with business and technical requirements.
• Mentor junior and midlevel engineers, providing technical guidance and code review oversight.
• Collaborate with product management, systems engineering, and QA to refine requirements and ensure seamless integration.
• Troubleshoot complex issues across development, test, and production environments.
• Drive improvements in development processes, tooling, automation, and system performance.
• Develop and maintain technical documentation, including design specifications and architectural diagrams.
• Support CI/CD pipelines, deployment activities, and production monitoring.
• Participate in and lead agile ceremonies such as sprint planning, backlog refinement, and retrospectives.

Basic Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or related technical field with 8 - 12+ years of experience or a Master's degree with 6 - 10+ years of experience. Additional experience may be considered in lieu of a degree.
• Active Secret clearance with the ability to obtain a TS/SCI.
• Professional software development experience.
• Strong proficiency in one or more modern programming languages (e.g., Java, C#, Python, JavaScript/TypeScript).
• Experience designing and building scalable, distributed, or cloudbased systems.
• Proficiency with version control systems such as Git.
• Solid understanding of software architecture, design patterns, data structures, and algorithms.
• Experience with RESTful APIs, microservices, or eventdriven architectures.
• Strong analytical, problemsolving, and communication skills.
• Proven ability to lead technical efforts and collaborate across multidisciplinary teams.

Preferred Qualifications:

• Master's degree in a related technical discipline.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Knowledge of CI/CD pipelines, automated testing, and DevOps practices.
• Familiarity with containerization and orchestration (Docker, Kubernetes).
• Experience with relational and NoSQL databases.
• Background in highavailability, highperformance, or missioncritical systems.
• Experience with frontend or backend frameworks (React, Angular, Vue, .NET, Spring, Django).
• Ability to influence architectural decisions and longterm technical strategy.

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.

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

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.

Pay and Benefits

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.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.