Job Description
Job SummaryThe
Software Engineer will perform software development lifecycle (SDLC) activities as a member of an Agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for 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 (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available.
Primary ResponsibilitiesThe Software Engineer will be responsible for software development activities both individually and as a member of an Agile team. The Software Engineer will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities. The individual will analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. She/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. She/he will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench.
Basic Qualifications- Requires Masters degree and 15 years of prior relevant. Additional experience may be substituted for a degree.
- **Must have demonstrated experience with Java**
- Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
- Must have experience or familiarity with multiple languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).
- Must have experience with development IDEs (Integrated Development Environments) 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 working with AngularJS, JSON, HTML, XML, XSLT.
- Must have experience with software source control and configuration management tools.
- Must have experience developing on Windows 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 be able to 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.
- Clearance Required: Must have TS/SCI with Polygraph
Preferred Qualifications- Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.
- Experience or familiarity with multiple of the following technologies: 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, Unified Functional Tester (UFT), Selenium, FITNesse.
- Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus.
- Experience developing on Linux operating systems.
- Experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).
- 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 Agile Developer 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 (i.e., Layer 7 Policy).
- Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilist Certification, or experience as a member of an Agile team.
Original Posting:August 14, 2026
Pay Range:Pay Range $154,050.00 - $278,475.00
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.
