Senior Java Developer

The Digital Modernization Sector has an opening for a Java/Spring Developer to work in Woodlawn, MD

This position requires onsite work in Woodlawn, MD five days a week

Leidos is seeking a Java / Spring / Spring Boot Developer for Baltimore location. The Java / Spring / Spring Boot Developer shall have extensive experience in developing and maintaining the high-performing Java applications. The candidate will have prime accountability for major projects and will develop detailed and robust design, code, test, and implement proposed systems. The candidate will have the ability to develop technical solutions and document the solution architecture and design using standard design tools. The candidate will demonstrate design experience and be willing to challenge other team members' designs as well as receive and incorporate feedback. The candidate will be responsible for creating maintainable, adaptable, scalable, defect-free code using software development best practices and coding standards (i.e. software reuse, refactoring, continuous integration, test automation, secure development, Test Driven Development, static code analysis, peer/code review). This person will be performing Software Development on a daily basis.

Required Skills:

• Spring Framework (Spring Boot is required), REST API, SOAP Clients, Junit, Cucumber, JMockit/ PowerMock, Log4j2/LogBack, Swagger, JWT/OAuth, Camel, Jackson, WSDL, JSON, XML, DB2, MongoDB, PostGreSQL, JAX-WS/JAX-RS
• Tools knowledge / experience: ANDI - Chrome - Google Web Browser, DB Visualizer, Eclipse / RAD + WebSphere, Fiddler, Firefox, GIT, Maven, NodeJS - Angular Dependency, OpenShift CLI, Notepad++, Postman / ReadyAPI /SoapUI, Putty/WinScp/ Any FTP tools, VS Code
• MDE Web-Based Tools: BitBucket/Stash, CheckMarx, Dynatrace, Jenkins, OpenShift, SonarQube, Splunk, Urban Code Deploy
• Design and Programming skills in Java and JEE technologies.
• Full-stack software development experience with Java and JEE technologies with strong understanding of user interface frameworks, back-end software architecture interactions.
• Hands-on experience with Angular 2.0 or higher
• Experience working on Agile projects and strong knowledge of Agile terminology
• Experience in developing the applications using Single-Page Architecture.
• Experience in coding "responsive" web pages with an understanding of the cross-browser limitations and browser compliance standards.
• Experience with modern software development tools for Continuous Integration including Jenkins, Git/BitBucket, Jira, Nexus, Maven, Jenkins, SonarQube, Fortify, and UrbanCode Deploy.
• Experience with Web Services Technologies (XML, JAXP, JAXB, JAX-WS, AXIS, JERSEY, JSON, CXF, REST and SOAP) and Security (LTPA, JWT, OAUTH2).
• Hands-on Design and development experience on Microservices and Restful API.
• Experience with Automated unit test (i.e. JUnit, Mocking frameworks), Test Driven Development (TDD), and Behavior-driven development (BDD) (Cucumber).
• Experience with JEE technologies including Struts, Spring Framework (IoC, MVC, Transactions, Security, and Batch), Spring Boot, Spring JDBC, JPA, Hibernate, SOAP/RESTful, XML, DB2, Tomcat, and WebSphere.
• Knowledge of security vulnerabilities in web applications and addressing them.
• Strong communication and collaborative skills in providing technical direction and hands-on software development to include design, development and testing.

Desired Skills:

• Experience with the implementation of Section 508 standards for Web Applications.
• Exposure to creating systems design documents.
• Prior experience with federal or state government IT projects, preferred.
• Experience with front-end technologies such as JavaScript, TypeScript, JQuery, Ajax, HTML5, CSS3, and Bootstrap.

Day to Day Duties

• Develops and modernizes legacy Digital Identity code using Spring Boot, Spring MVC, Java, ReadyAPI, Angular and Git.
• Creates and updates all relevant documents, software specifications on Confluence sites for further development and testing.
• Creates API documentation and automated unit test scenarios using ReadyAPI.
• Implements Maven for efficient project setup.
• Develops back-end services of user functionality of registration, verification, validation
• Develops unit test scenarios using JUnit5 testing suite.
• Utilizes Eclipse IDE for quick and efficient code development of the project.
• Employs Agile and Scrum process for task tracking and continues development.

Education -

Bachelor's Degree 12+ years with advanced IT experience or professional IT certifications. Additional years of experience can be substituted in lieu of degree.

Must be able to obtain and maintain a public trust clearance

Original Posting:
April 28, 2025
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.

Pay Range:
Pay Range $126,100.00 - $227,950.00

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.