Java Software Engineer – Spring Boot & Kubernetes

Leidos; Maryland; On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with company match

Flexible Schedules

Education and Training Support

Parental Paid Leave

Discounted Stock Purchase Plan

Job summary

Leidos is seeking a Software Engineer to join an Agile team modernizing an enterprise Java/Angular application. You’ll work on RESTful APIs, data access layers, and containerized services in Kubernetes across cloud and on-prem environments.

The role emphasizes architecture reviews, automated testing, and DevSecOps practices within a fast-paced national-security context.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 7+ years of software engineering experience on large programs.
• Active TS/SCI security clearance with polygraph.

Responsibilities

• Analyze requirements to design, develop, test, and maintain Java and Angular apps.
• Develop RESTful APIs and data access components for relational databases.
• Support modernization efforts including Spring Boot migrations and microservices.
• Deploy containerized apps in Kubernetes across cloud and on-premises.
• Participate in architecture reviews, code reviews, and continuous improvement.
• Develop automated tests, support CI/CD pipelines, and maintain docs in Confluence/Jira.
• Provide database admin support for Oracle/PostgreSQL/MariaDB and cross-train teams.

Skills

Java

Spring Boot

Angular

RESTful APIs

CI/CD

DevSecOps

Distributed systems

Architecture design

Agile methodologies

Code reviews

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes

Oracle

PostgreSQL

MariaDB

Jira

Confluence

GitLab CI/CD

Rancher/OpenShift

Job description

Leidos has a new and exciting opportunity for a Software Engineer in our Intelligence Sector's, 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.

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!

Are you passionate about modern software engineering and building enterprise applications with today's leading technologies? Leidos is seeking a Software Engineer to join an Agile development team responsible for modernizing and enhancing a mission-critical enterprise application.

This is an exciting opportunity to help transform a traditional Java application into a modern architecture utilizing Spring Boot, Angular, Docker, Kubernetes, RESTful APIs, relational databases, and modern DevSecOps practices. You'll work on challenging technical problems while contributing to architectural decisions, improving system performance, and helping shape the future of a critical enterprise system.

If you enjoy modernizing existing applications, learning new technologies, and collaborating with highly skilled engineers in an Agile environment, we'd like to hear from you.

Primary Responsibilities

• 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.

Basic Qualifications

• Bachelor's degree in Computer Science or a related discipline from an accredited college or university.
• Minimum of seven (7) years of software engineering experience on programs and contracts of similar scope, type, and complexity.
• Security Clearance Requirement: Active TS/SCI with polygraph

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.

Why Join Leidos?

• Work on a mission-critical enterprise application supporting National Security.
• Help modernize a production Java platform using Spring Boot, Angular, Docker, and Kubernetes.
• Contribute to architecture discussions and technical design decisions that shape the future of the application.
• Expand your expertise across software engineering, containerization, relational databases, CI/CD, and cloud-native technologies.
• Collaborate with an experienced Agile development team solving complex technical challenges using modern software engineering practices.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you.

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.

Original Posting:
July 31, 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.