Software Engineer

MariaDB Equities OpenShift DevSecOps Pipelines Automation Purchasing Kubernetes Upskilling PostgreSQL Code Review Market Data RESTful API Spring Boot Data Access Cryptography GitLab CI/CD Microservices Schema Markup Apache Tomcat Test Automation Helm (Software) Ancient History Computer Science Technical Design Spring Framework Agile Methodology Docker (Software) Analytical Method Influencing Skills Rancher (Software) Time Off Management Security Engineering Software Engineering Relational Databases Atlassian Confluence Signals Intelligence Cloud-Native Computing Technical Documentation Angular (Web Framework) Database Administration Cloud-Native Architecture Containerized Application Java (Programming Language) Computer Network Operations Influencing Without Authority Front End (Software Engineering) Extensible Markup Language (XML) Troubleshooting (Problem Solving) Amazon Elastic Kubernetes Service Application Programming Interface (API) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), 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., 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. Related Jobs C# Developer (POS Applications) TEKsystems

Bethesda, MD*Remote

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Washington, DC*On-Site

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Google IT Automation with Python Application Developer (SWE-2) Leidos

Ft Meade, MD*On-Site

CI/CD PySpark Equities Pipelines Operations Purchasing Kubernetes Upskilling Market Data RESTful API Cryptography Elasticsearch Key Management Ancient History Docker (Software) Rapid Prototyping Analytical Method Data Visualization Workflow Management Technology Research Time Off Management Security Engineering Signals Intelligence Prototype Development Java (Programming Language) Computer Network Operations Git (Version Control System) Python (Programming Language) Front End (Software Engineering) JavaScript (Programming Language) Application Programming Interface (API) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Login | JoinContact

• 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.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!, 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 .

Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management., 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 .