Job Description Senior ServiceNow Developer – ITSM, CSM & Finance/Accounts Payable Operations Calgary - Remote Role Summary We are seeking an experienced Senior ServiceNow Developer to design, build, configure, and support enterprise ServiceNow solutions across ITSM, CSM and a custom Finance module built on Accounts Payable Operations (APO). The ideal candidate will have strong hands-on development skills, practical experience and the ability to deliver scalable, maintainable solutions that improve operational efficiency and service quality. Key Responsibilities • Design, develop, and maintain ServiceNow applications, integrations, and customizations aligned to business and technical requirements. • Build and support core ServiceNow artifacts such as business rules, script includes, client scripts, UI policies, UI actions, ACLs, scheduled jobs, and background scripts. • Lead development and configuration activities within ITSM and CSM modules, ensuring dependable workflows, forms, notifications, and customer-facing processes. • Develop and maintain Flow Designer flows, subflows, approvals, and orchestration logic to automate business processes across key ServiceNow modules. • Create and execute Automated Test Framework (ATF) test suites to validate functionality, reduce regression risk, and support release quality. • Collaborate with business stakeholders, process owners, architects, and QA teams to translate requirements into effective technical solutions. • Troubleshoot defects, performance issues, and production incidents, provide root-cause analysis and implement sustainable fixes. • Support upgrades, enhancements, update sets, deployments, and release management activities in multi-environment ServiceNow programs. • Document technical design, configuration decisions, support procedures, and testing evidence in a clear and reusable manner. Required Qualifications • Minimum 10 years of hands-on ServiceNow development experience. • Minimum 10 years of overall IT experience. • Hands-on experience supporting and developing ITSM and CSM modules. • Strong experience building server-side and client-side ServiceNow customizations, including business rules, script includes, client scripts, UI policies, and related framework components. • Practical experience with Flow Designer and ATF. • ServiceNow Certified System Administrator (CSA) certification is required. • Strong understanding of ServiceNow data model, catalog, workflow concepts, forms, lists, notifications, and role-based access controls. • Experience working in Agile or iterative delivery environments with cross-functional teams. Preferred Qualifications • ServiceNow Certified Implementation Specialist (CIS) certifications in ITSM, and/or CSM. • Hands-on experience working on custom OOB functionalities related to Finance domain. • Experience with integrations using REST/SOAP APIs, IntegrationHub, MID Server, or scripted integrations. • Experience with performance troubleshooting, set-up of platform best practices, and governance of customization standards. • Exposure to CMDB, knowledge management, and ser