Description We are seeking an experienced Front-End React Developer to design, develop, test, and support a modern, secure, data-intensive enterprise web application. The successful candidate will develop responsive, accessible, and maintainable user interfaces using React and will work closely with solution architects, backend developers, AI/ML engineers, DevOps engineers, QA personnel, and business stakeholders. The role focuses on interactive dashboards, workflow interfaces, record-management screens, search and filtering, reporting, data visualization, and integration with backend APIs and enterprise services. The team follows Agile/Scrum practices with iterative development, sprint-based delivery, demonstrations, testing, and continuous stakeholder feedback. Key Responsibilities • Design, develop, test, and maintain enterprise web applications using React. • Develop reusable, modular, maintainable React components and responsive, accessible user interfaces. • Develop interactive dashboards, complex forms, data tables, record-detail screens, workflow interfaces, search, filtering, sorting, pagination, navigation, and saved views. • Integrate React applications with RESTful APIs and backend services and implement appropriate client-side state management and data-fetching patterns. • Implement role-aware user experiences and support enterprise authentication and authorization, including SSO and MFA. • Develop interfaces for AI-generated or AI-assisted content and support human review and approval workflows. • Implement reporting, data visualization, and self-service export functionality. • Work with SQL/MariaDB relational data structures and write or understand SQL queries for development, testing, troubleshooting, and data validation. • Translate requirements, user stories, acceptance criteria, and wireframes into production-quality interfaces. • Develop unit, component, and integration tests; participate in code reviews and maintain coding standards. • Troubleshoot front-end, browser, API integration, and application-performance issues. • Support system integration testing, user acceptance testing, regression testing, and production deployment. • Work effectively in a Linux-based development environment using VS Code, Git, package managers, build tools, debugging tools, and common shell utilities. • Actively participate in Agile/Scrum ceremonies, including sprint planning, daily stand-ups, backlog refinement, sprint reviews/demos, retrospectives, estimation, and release activities. • Collaborate with the Product Owner/Scrum team to refine user stories, define acceptance criteria, estimate work, and deliver committed sprint objectives. • Develop and maintain appropriate technical documentation. Qualifications Required Qualifications: • Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline, or equivalent professional experience. • 5+ years of professional front-end or web application development experience, including 3+ years of hands-on React development. • Strong proficiency in React, JavaScript, HTML5, and CSS3. • Strong understanding of functional components, hooks, reusable component design, routing, state management, and modern React development patterns. • Experience developing enterprise-scale, data-intensive web applications and dashboards and integrating them with RESTful APIs. • Working knowledge of SQL and relational database concepts; familiarity with MariaDB/MySQL tables, relationships, queries, views, and data structures. • Experience with Git, automated front-end testing, responsive design, cross-browser compatibility, and secure front-end development practices. • Experience working in Linux-based development environments and comfort with the Linux command line/shell, environment variables, file systems, permissions, logs, and common development utilities. • Experience using Visual Studio Code (VS Code) or a comparable modern IDE for development, debugging, source control, linting, and code-quality workflows. • Understanding of authentication, authorization, session management, and role-based access concepts. • Hands-on experience working as part of an Agile/Scrum software development team, including sprint planning, daily stand-ups, backlog refinement, sprint reviews, and retrospectives. • Strong analytical, debugging, problem-solving, written, and verbal communication skills. • Must be a US Citizen and able to obtain and maintain a Public Trust. Preferred Qualifications • Experience with React Router and modern state/data-management approaches. • Experience with React Testing Library, Jest, Vitest, or comparable testing frameworks. • Hands-on experience with MariaDB/MySQL-backed enterprise applications. • Experience with enterprise UI/component libraries and data-visualization tools. • Experience with Section 508/WCAG accessibility requirements. • Experience with enterprise SSO/MFA, Microsoft 365, and/or SharePoint integrations. • Experience developing workflow-oriented applications and interfaces incorporating AI/ML or LLM-generated content. • Familiarity with CI/CD and DevSecOps practices. • Familiarity with Posit (formerly RStudio) products and development environments is a plus. • Experience working with data science, analytics, AI/ML, research teams, federal government, healthcare, life sciences, or other regulated environments is a plus. Core Technical Skills React | TypeScript | JavaScript | HTML5/CSS3 | REST APIs | SQL | MariaDB/MySQL | Linux | VS Code | Git | Automated Testing | Agile/Scrum | Responsive UI | Section 508/WCAG | SSO/MFA Plus: Posit/RStudio | AI/ML/LLM Applications | SharePoint/Microsoft 365