**Description** **Position Summary** We are seeking a **UI Front End Developer (Senior)** with React and Angular UI development experience to join our team. This position will work closely with the Lead Architect and other developers participating in the system architecture design, systems engineering, development, integration testing and validation, and all aspects of the software life-cycle (requirements to design to implementation to test) for a browser based application implemented using Angular interfacing with backend microservice APIs. The candidate will be responsible for developing code as dictated by project requirement. **Job Responsibilities** + Design, develop, unit test UI interfaces written in Angular and/or React. + Use Integrated Development Environment Tools such as Visual Studio Code. + Design and implement JEE software applications. + Use modern software engineering tools and methodologies, including Eclipse, and Atlassian Products (Jira, Confluence). + Work with users in an Agile development approach to understand requirements, then elicit feedback and refine solutions through demonstrations. + Present the solution at formal and informal design reviews, and document the design according to the Government's system lifecycle methodology. **Qualifications** **Required Skills and Experience** **Most important front end technologies for the position are: Angular, Ngrx, and Angular library development.** + Bachelor’s degree in computer science or related engineering field with 9+ years of technical experience. + Recent 5 years’ experience developing front end application in frontend Angular (primary v10 or above). + Advance level experience in UI performance tuning and Component/Layout design. + Proven record of understanding HTML5, CSS3(flexbox, flexgrid), SASS and theme development. + 2 years in state management (NgRx). + Experience in developing reusable components and libraries (building NPM packages). + Excellent problem solving and critical thinking skills. + Advance level experience with unit testing. + Experience working with microservices design and implement design patterns. + Hands on experience with: + HTML, JavaScript, CSS (required). + AWS (EC2, S3, etc.) (required). + jQuery, Angular, React. + JEE Web Tier Technologies (JSP, Servlets, MVC Frameworks). + SQL (required). + XML. + Unix, Linux. + Database Connectivity (JDBC, JPA, Hibernate). + 3 years of experience in Single Page Application Development using JavaScript framework (Angular 8+ or ReactJS 5+). + 2+ year experience in Java/JEE (required). + Experience working with JEE Web Tier Technologies (JSP, Servlets, MVC Frameworks). + Experience working with JEE Servers (like Spring boot, Tomcat, WebSphere, etc.). + Demonstrated expertise in software engineering practices (e.g., reading/generating software specs, design patterns, continuous integration). + Experience in building quick prototypes that demonstrate ideas and potential in a hands-on environment. + Experience designing and delivering complex, highly scalable software components. + Experience working with users to define requirements and demonstrate solutions. **Desired Skills and Experience** + Experience developing 100% automation unit tests using eclipse is a strong plus. + Experience deploying and managing applications in a Docker environment a plus. + Agile development experience is a plus. + First-hand experience working with large project teams (working with the Federal Government is a strong plus). + Master’s degree in computer science or related field is a plus. **Customer Requirements** + Clearance – Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation. + Citizenship – Must be a US Citizen. + Location – On-site in Ashburn, VA 5 days per week. REQNUMBER: 2508899 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