Software Engineer - Multiple Levels - Fully Cleared with Polygraph Required

web application and user interface (UI) development; Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, Java Frameworks, J2E, Python, C++, Oracle, MongoDB, SQL Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.