**Description** **SAIC** is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Sterling, VA to begin an exciting and challenging career with SAIC Federal Systems. ***Onsite as needed*** **Responsibilities** + Active member of the agile software development team participating in all Program Increment and Sprint ceremonies. + Design and develop .Net applications including middleware applications, user interface applications (java script framework), and web services applications. + Develop and integrate with PostgreSQL server databases. + Develop software design documentation which may include design diagrams, data flow diagrams, software module descriptions, etc. + Use Integrated Development Environment (IDE) tools to include Microsoft Visual Studio and GIT + Manage software testing activities to include data setup, defect troubleshooting and resolution. + Provide Tier 3 / 4 engineering support, as needed, for solutions deployed to production. **Qualifications** **Qualifications** + Middleware and User interface driven applications. + Web Services development. + Excellent troubleshooting and resolution skills. + Multi-threaded applications; Exception handling. + Integration with hardware devices and vendor SDKS. + Ability to work in team environments across a diverse set of projects with multiple stakeholders. + Javascript, Vue.js, C#, .NET Core, Web API, Visual Studio code, Jenkins, Gitlab, xUnit, SonarQube. + AWS experience. + Agile development. **Education and Experience** + Bachelor’s degree in computer science or a directly related field (4 years' experience may be considered in lieu of degree). + 9+ years of experience in software development/engineering. **BI Requirement** + Current holder of a DHS Public Trust clearance or the ability to obtain one. + Note: Employment will be contingent upon having/obtaining a DHS Public Trust clearance prior to starting. SAIC accepts applications on an ongoing basis and there is no deadline. Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site. REQNUMBER: 2412099 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability