Leidos is seeking a Sr. Java Developer for Baltimore location. The Senior Java 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 member’s 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).
- Extensive Design and Programming skills in Java and JEE technologies.
- Extensive hands-on experience with one or more frameworks such as AngularJS, jQuery, ReactJS, and Express/Node.js
- Experience working on Agile projects and strong knowledge of Agile terminology and tools including VersionOne.
- 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 designing and deploying cloud-native applications onto AWS with PostgreSQL.
- Deep Knowledge of PaaS offerings such as Red Hat OpenShift and Docker.
- 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, WebSphere.
- Knowledge of security vulnerabilities in web applications and addressing them.
- Strong communication and documentation skills.
- Experience with the implementation of Section 508 standards for Web Applications.
- Exposure to writing Technical White Papers and systems design documents.
- Prior experience with federal or state governments IT projects.
Prior experience working on applications that help identify fraudulent activities (Anti-Fraud) in government or larger private organizations..
Day to Day Duties
- Design and develop applications from the functional requirements.
- Design and develop key application components as microservices by adapting the Twelve-Factor Application Methodology using Spring Boot, Java and RESTful architecture.
- Create POCs, templates for developing Behavior Driven Development (BDD) test framework for the APIs using Cucumber, Gherkin, and Java.
- Develop Simple Object Access Protocol (SOAP) based Web Services using Web Service Technologies and Security such as JAX-WS Web Services, WS-Security, IBM Data Power, Web Services-Interoperability (WS-I), Message Transmission Optimization Mechanism (MTOM), or SOAP with Attachments (SWA), Apache Axis and Web Service Definition Language (WSDL).
- Develop and maintain Enterprise Java Batch application using Java Specification Request (JSR) 352 specification and schedule java batch jobs using Control-M.
- Develop Data Access Layer (DAO) to interface the application with IBM DB2 9.0 database running on z/OS 64-bit mainframe operating systems for IBM mainframes that queries and retrieves data using SQL, JNDI, JDBC template and through Object Relational Mapping(ORM) tool Hibernate.
- Design Web Page components that are compliant with Section 508 of the Rehabilitation Act (29 U.S.C. 794d).
- Create Maven build scripts to automate the build process.
- Use the Continuous Integration and Continuous Delivery tools Bitbucket, Jenkins, Nexus, UCD to version control, build, store artifact, and deploy the software projects.
- Use MS Project, Visio and IT Governance Frameworks to document the solution architecture & develop UML based design documents.
- Develop unit test cases for every possible Java class with real scenarios using Junit, Mockito and PowerMock frameworks.
BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience. May possess a Doctorate in technical domain
Covid Guidance for the US
In order to enter Leidos facilities in the U.S. and to attend Leidos events outside our facilities, employees are required to be vaccinated for COVID-19 or maintain proof of a negative COVID-19 test within 96 hours of entry. In addition, we are receiving guidance from certain customers that onsite contractor personnel will need to be fully vaccinated to access customer facilities. If you are not vaccinated, please consider getting your COVID-19 vaccination as soon as possible. If you have any questions, please contact your Talent Acquisition POC.
Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 44,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $13.7 billion for the fiscal year ended December 31, 2021. For more information, visit www.Leidos.com.
Pay and Benefits
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 here.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Diversity
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.