The role partners with senior technical leaders and architects to understand and implement requirements in ServiceNow HRSD.The Senior ServiceNow Platform Developer (1043) will: Configure, enhance, and maintain applications within the ServiceNow HR Service Delivery (HRSD) product, including HR Case management, Configurable Workspaces, Knowledge, Employee Document Management, Employee Center Pro, and Employee Journeys Lead development projects on HR Case, Knowledge, Employee Document Management Design and build HR Services, HR Templates, COEs, Record Producers, Catalog Items, and HR Case Workflows using Flow Designer and/or Workflow Editor Design and build UI actions, related lists, Workspace components, and form/panel configurations in HR Agent Workspace Implement HR Criteria, Role Assignment Rules, and user/group/role logic (including criteria-based role assignment) for secure and accurate access control Design, develop, and maintain Business Rules, Script Includes, Client Scripts, UI Policies, UI Actions, ACLs, and other platform automation aligned with HRSD processes Co-lead unit testing, UAT support, incident resolution, and ongoing platform optimization for HRSD and system-wide Create and maintain data imports, transform maps, data migration scripts, and ETL logic for HR data models and COE-specific tables Troubleshoot complex issues related to case routing, HR services, configurable workspaces, platform analytics, scope-to-scope security, and role-based access controls. Class Specifications for 1043-Technology Engineer - SeniorEducation: An associate degree in computer science, computer engineering, information systems, or a closely related field from an accredited college or university OR its equivalent in terms of total course credits/units [i.e., at least sixty (60) semester or ninety (90) quarter credits/units with a minimum of twenty (20) semester or thirty (30) quarter credits/units in one of the fields above or a closely-related field].Experience: