Leidos is seeking a
Software Engineer to join an Agile development team supporting the modernization and enhancement of a mission-critical enterprise application. This position offers the opportunity to modernize a Java-based system by migrating from a traditional Apache Tomcat deployment to a cloud-native architecture built on Spring Boot, Docker, Kubernetes, Angular, and modern software engineering practices. The ideal candidate is passionate about modern software engineering and enjoys modernizing existing enterprise applications using Java, Spring Boot, RESTful APIs, relational databases, and container technologies. The successful candidate will have the opportunity to influence technical design decisions while helping shape the future architecture of a mission-critical system.
- Analyze user and system requirements to design, develop, test, and maintain Java and Angular applications.
- Design, develop, and support RESTful APIs, service integrations, and data access components for Oracle, PostgreSQL, and other relational databases.
- Support application modernization initiatives, including Spring Boot migration, database modernization, microservices, and containerization.
- Deploy and support containerized applications in Kubernetes environments across cloud and on-premises infrastructure.
- Participate in architecture reviews, code reviews, troubleshooting, technical design, and continuous process improvement.
- Develop automated unit and integration tests, support CI/CD pipelines, and maintain technical documentation using Confluence and Jira.
- Provide backup database administration support for Oracle, PostgreSQL, and MariaDB while cross-training across application, database, and deployment technologies to ensure operational continuity.
Required Qualifications- TS/SCI with Polygraph.
- Bachelor's degree in computer science or related discipline from an accredited college or university.
- Minimum eight (8) years of software engineering experience on programs and contracts of similar scope, type, and complexity.
Preferred Qualifications- Experience developing Java enterprise applications using Spring Boot (or similar frameworks) and Angular (or comparable front-end technologies).
- Experience designing and implementing RESTful APIs and integrating applications with Oracle, PostgreSQL, MariaDB, or other relational databases.
- Experience with application modernization, including Spring Boot migrations, microservices, and database modernization initiatives.
- Experience developing, deploying, and supporting containerized applications using Docker, Podman, and Kubernetes platforms (e.g., Rancher, Amazon EKS, OpenShift).
- Familiarity with Kubernetes concepts including Deployments, Services, ConfigMaps, Secrets, Ingress, Persistent Volumes, Helm charts, and cloud-native architectures.
- Experience implementing GitLab CI/CD pipelines, automated testing, DevSecOps practices, and modern software delivery processes.
- Experience using Jira and Confluence in Agile environments, providing database operational support, and working with XML, JSON, or other structured data formats.
Original Posting:July 27, 2026
Pay Range:Pay Range $107,900.00 - $195,050.00
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.