Software Developer

Description

Leidos is seeking an experienced Software Developer to support mission-critical projects and infrastructure initiatives. The ideal candidate is comfortable working with both legacy systems and modern cloud-based architectures, enjoys solving complex problems, and thrives in a collaborative Agile environment.

What You'll Do

Maintain, enhance, and modernize legacy applications to meet evolving mission needs

Design, develop, and deploy scalable solutions using Java, Spring Boot, Angular (TypeScript), and AWS

Build and consume RESTful APIs and integrate services across distributed systems

Develop custom ETL solutions and data pipelines, including solutions leveraging Elasticsearch

Write and maintain custom scripts to install, configure, and deploy applications on EC2 instances

Collaborate within Agile/Scrum teams to deliver high-quality software on schedule

Perform unit testing, peer code reviews, and automated testing (e.g., Selenium)

Document system designs, workflows, and technical solutions clearly and thoroughly

Mentor junior developers and promote software engineering best practices

Troubleshoot issues methodically and contribute technically sound solutions in a team environment

Required Qualifications

Active TS/SCI with Polygraph

Bachelor's degree with 10+ years of relevant experience (additional experience may be considered in lieu of a degree)

Strong hands-on experience with:

Java and Spring Boot

Angular (TypeScript)

Amazon Web Services (AWS) / cloud-based development

Experience developing RESTful APIs and custom ETL solutions

Proficiency with Git, Jenkins, Selenium, and Rundeck

Experience working in Linux command-line environments (Red Hat preferred)

Proven ability to interpret customer requirements and translate them into technical solutions

Strong communication, time management, and documentation skills

Desired Qualifications

Experience with identity, authentication, and access control development practices

Experience with containerization and modular or microservices-based architectures

Full-stack development experience

Familiarity with UI/UX design principles

Experience with automation frameworks and testing strategies

AWS Certification

Why Leidos

At Leidos, you'll work on meaningful missions, collaborate with talented engineers, and help modernize systems that matter. We value innovation, mentorship, and technical excellence.

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.

Original Posting

January 16, 2026

Pay Range

Pay Range $131,300.00 - $237,350.00. The Leidos pay range for this job level is a general guideline only and 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 [email protected].

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.

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