• The Drupal Software Engineer will be a developer working across the Drupal portals, with particular focus on the UI and backend features supporting the Applicant Portal and Reviewer Portal. • Build and maintain the Applicant Portal, Reviewer Portal, Metadata Manager Portal, and Administrator Portal front end components. • Implement a user centered UI aligned with NSF’s design standards and consistent with USWDS patterns where used. • Ensure complete Section 508 compliance including keyboard navigation, semantic structure, ARIA patterns, and screen reader compatibility. • Implement role-based access control in the UI so users see only the data and actions appropriate for their role. • Work closely with UX, product, and NSF teams to implement wireframes and requirements accurately. • Build and maintain Drupal backend logic including custom modules, hooks, forms, and custom Form API implementations. • Implement workflows for application intake, review processes, scoring, metadata validations, and program configuration. • Build and maintain RESTful APIs and integration points. • Support metadata ingestion pipelines and validation rules. • Implement user and role management consistent with RBAC requirements. • Collaborate with database engineers on data modeling, queries, and performance tuning. • Contribute to monitoring, logging, and error handling to support production stability. • Perform end to end analysis, design, and development. • Code, debug, test, and troubleshoot during the full development lifecycle. • Conduct and participate in peer code reviews. • Participate in UI and UX discussions and provide engineering input. • Mentor and support junior engineers as needed.