> Markdown version of [/jobs/ext/3973788-software-engineer-stf-e4](https://www.wearedevelopers.com/jobs/ext/3973788-software-engineer-stf-e4). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Stf - E4 - **Company:** Lockheed Martin - **Location:** Norristown, PA, United States - **Salary:** $135,700.0 - $251,900.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Unit Testing, Python (Programming Language), Object-Oriented Software Development, Open Source Technology, Scrum Methodology, E2e Testing, Software Engineering, Data Processing, Spring-boot, Kubernetes Helm Charts, Gitlab, Git, Computer Equipment, Integration Tests, Build Tools, Front End Software Development, Software Version Control, Docker, Jenkins - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-stf-e4-king-of-prussia-pa--7341f453-ea31-47b9-847a-08e27031dbac ## About the Role Software Engineering, Cost Control, Operations Planning, Automation, Software Engineering, Industry Standards, Open Source, Docker, Agile Programming Methodologies, Scrum Project Management and Software Development, * Software development experience with object-oriented programming languages such as Java and JavaScript * Experience developing software with CI/CD build tools (GitLab, Jenkins) * Experience working on large-scale software projects with multiple teams and stakeholders * Familiarity with software test best practices, including unit test, integration test, and end-to-end test * US Citizenship Required: No clearance required to start but must be able to obtain and maintain a TS/SCI security clearance Desired Skills * Experience with SpringBoot or Quarkus for backend Java development * Experience with LIT for JS front-end * Experience with Node.js/Express for hosting UIs * Experience with Python * Experience with Helm charts for IaC * Experience with software version control tools, such as GIT * Ability to work effectively in a fast-paced and rapidly changing environment * Strong time management skills that enable on-time project delivery * Familiarity with the Space Domain #LMSpaceSoftwareEng #SpaceSecurity #SpaceNSS ## Description Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.