Backend Full Stack Engineer Jobs in Aiken, SC (NOW HIRING)

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

The Defense Sector at Leidos currently has an opening for a Web and Application Developer to work at Ft. Gordon, GA. In support of the Warfighter Readiness program.

The Web and Application Developer is responsible for designing, developing, testing, and maintaining web-based applications, mobile applications, and supporting software systems. This position works closely with project managers, designers, stakeholders, and end users to create secure, scalable, and user-friendly solutions that meet organizational objectives. The developer will support the full software development lifecycle, including planning, coding, debugging, deployment, documentation, and ongoing maintenance.

The ideal candidate possesses strong programming knowledge, experience with modern development frameworks, and the ability to work independently or within a collaborative development environment. This role requires analytical thinking, problem-solving abilities, and the capability to adapt to evolving technologies and project requirements.

• Develop and maintain websites, web applications, and mobile applications.
• Write, test, debug, and deploy code for front-end and back-end systems.
• Build and maintain databases, APIs, and system integrations.
• Ensure applications are secure, responsive, and optimized for performance.
• Troubleshoot software issues and provide technical support.
• Collaborate with designers, developers, and stakeholders to gather requirements and deliver solutions.
• Maintain technical documentation and version control repositories.
• Support software updates, enhancements, and cybersecurity compliance.

• Design, develop, and maintain responsive websites and web applications.
• Create front-end user interfaces using HTML, CSS, JavaScript/TypeScript, and modern frameworks.
• Develop server-side functionality and APIs to support web applications.
• Optimize websites and applications for performance, scalability, and usability.
• Ensure compatibility across browsers, operating systems, and mobile devices.
• Integrate databases, cloud services, and third-party APIs.

• Develop and maintain desktop and mobile applications for iOS, Android, and cross-platform environments.
• Build secure and scalable application architectures.
• Troubleshoot, debug, and resolve software defects and technical issues.
• Participate in software testing, quality assurance, and deployment activities.
• Implement software updates, patches, and feature enhancements.

• Design, manage, and maintain relational and non-relational databases, such as PostgreSQL, MySQL, and Oracle including SQL optimization and ORM technologies.
• Develop database queries, stored procedures, and data integration solutions.
• Ensure data integrity, security, and backup procedures are followed.

• Follow secure coding standards and cybersecurity best practices.
• Assist with vulnerability remediation and security testing.
• Maintain compliance with organizational policies and industry standards.
• Protect sensitive data and ensure secure authentication methods are implemented.

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related field preferred. 4 additional years of experience can be applied in lieu of degree.
• Must have at least an active Secret Security clearance with the ability to obtain a TS/SCI clearance within 1 year.
• Minimum 4 or more years of experience in web and application development.
• Equivalent combinations of education, certifications, and experience may be considered.
• Experience with mobile app development, cloud services, and enterprise applications preferred.

• Experience with AWS, Azure, or Google Cloud
• Knowledge of cybersecurity and secure coding practices
• Familiarity with DevOps, CI/CD pipelines, and container technologies such as Docker or Kubernetes
• Active TS/SCI security clearance

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.

July 22, 2026

Pay Range $65,650.00 - $118,675.00

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 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.

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.