Sr. Software Engineer TS/SCI Polygraph

Overview Leidos has an exciting opportunity for a Sr. Software Engineer. Must have an active TS/SCI Polygraph up front. No exceptions. Responsibilities Perform software development lifecycle (SDLC) activities as both an individual and as a member of an agile development team building a large complex enterprise system. Develop the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of new capabilities. Follow Behavior-driven Development (BDD) pattern and implement robust testing leveraging DevOps automation and test automation tools where appropriate. Contribute to server-side business logic implementation as well as client web application and user interface (UI) development (Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI—Angular, JavaScript, CSS, HTML, etc.). Actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other team activities; analyze complex system requirements and use design tools and techniques to produce modifiable, efficient, reliable, understandable, fault-tolerant, and reusable code. Provide software process management and control throughout the coding portion of the software development process; promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications Must have a BS degree and 12 - 15 years of prior relevant experience or a Masters with 10 - 13 years of prior relevant experience. Additional experience may be substituted for a degree. Must have demonstrated experience with Java. Must have experience or familiarity with multiple Java frameworks: Spring (Boot and Data), Java EE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX. Must have experience or familiarity with multiple languages such as JavaScript, Python, C/C++, Groovy, SQL. Must have experience with development IDEs such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm. Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server. Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience with AngularJS, JSON, HTML, XML, XSLT. Must have experience with software source control and configuration management tools. Must have experience with cryptographic technologies (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures). Must have experience developing on Windows and/or Linux operating systems. Must have documented professional experience with web services. Must have a strong understanding of sound software development principles and practices. Must be able to plan and prioritize personal tasking and communicate effectively verbally and in writing. Must be an independent thinker, capable of performing high-quality work, both independently and with a team in a fast-moving environment. Preferred Qualifications Experience with the following: Java EE (EJB, JPA, JTA, JAXB, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting. Experience or familiarity with XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift). Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery. Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, UFT, Selenium, FITNesse. Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus. Experience with high-level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration. Experience in software development on Agile teams using practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD). Experience with Behavior Driven Development (BDD). Secure Software development practices (e.g., Layer 7 Policy). Experience with Scrum and Scaled Agile Framework (SAFe) methodologies, SAFe Agilist Certification, or experience as a member of an Agile team. EEO and Legal 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 qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr Leidos Inc