User Interface Subject Matter Expert (SME) / UI Team Lead

User Interface Subject Matter Expert (SME) / UI Team Lead Nationwide IT Services, NIS, is seeking a User Interface Subject Matter Expert (SME) / UI Team Lead for a potential opportunity to provide technical leadership for the design, development, integration, and support of modern web-based user interfaces and search-enabled applications. This position leads the UI team and serves as the primary expert in front-end and web application development, ensuring that solutions are scalable, maintainable, secure, and aligned with mission and business requirements. The UI SME works closely with cross-functional teams in Agile environments to deliver high-quality applications leveraging modern frameworks, messaging technologies, and enterprise search capabilities. Active Secret clearance required. 100% on-site Key Responsibilities Serve as the UI team lead and provide technical leadership for user interface design, development, integration, and support activities. Lead the development and maintenance of web applications using ASP.NET C# MVC and ASP.NET Core technologies. Design, build, and support responsive, scalable, and user-friendly interfaces using modern web development frameworks and tools. Provide expertise in decoupled application development leveraging message queuing technologies to support scalable and resilient system architectures. Support application and enterprise search capabilities, including implementation, tuning, and integration of search solutions. Provide technical guidance for ElasticSearch and/or AWS OpenSearch implementations, including configuration management of high-availability cloud OpenSearch clusters. Collaborate with developers, architects, infrastructure teams, and stakeholders to ensure UI solutions integrate effectively with backend services, search platforms, and enterprise systems. Participate in Agile development activities, including sprint planning, design reviews, code reviews, testing, and release planning. Recommend improvements to UI architecture, application performance, usability, maintainability, and development processes. Ensure development activities follow established coding standards, security requirements, and best practices. Minimum Qualifications 10+ years of software/web development experience. 5+ years of experience with Agile development methodologies. 5+ years of ASP.NET C# MVC-based web development experience using Visual Studio 2019 or higher. 5+ years of experience with Application Search or Enterprise Search technologies. Experience with ElasticSearch; AWS OpenSearch experience is a plus. Experience in configuration management of a cloud-based high-availability OpenSearch cluster with 10 or more nodes. 5+ years of experience in decoupled application development leveraging message queuing. 2+ years of experience with React.js or AngularJS. 1+ year of experience with ASP.NET Core using Visual Studio 2019. Leadership Responsibilities Lead and mentor the UI team in the delivery of modern web applications and interface solutions. Provide direction on front-end architecture, coding practices, integration strategies, and development standards. Coordinate UI development efforts with search, middleware, backend, and infrastructure teams to ensure successful end-to-end delivery. Clearance Requirement Active Secret clearance required. Work Location Work will be performed at DEA offices in Merrifield, VA; DEA Headquarters in Arlington, VA; and other offices deemed appropriate by the Government. #J-18808-Ljbffr Nationwide IT Services