Senior Javascript Engineer Jobs in Montana (NOW HIRING)

Description: 100% On-site in either Billings, MT or Lakewood, CO or Phoenix, AZ or Fulson, CA Our client seeks a Senior ServiceNow Application Developer to design, develop, configure, enhance, and maintain ServiceNow applications and platform capabilities that support mission-critical business and IT service management functions. The role implements scalable, secure, and efficient ServiceNow solutions across workflow automation, integrations, custom applications, catalog items, and platform improvements. The developer partners with stakeholders, functional teams, and technical staff to translate business requirements into reliable platform capabilities that improve service delivery, operational efficiency, and user experience. Due to federal security clearance requirements, applicant must be a United States Citizen or Permanent Resident with an active Public Trust clearance. This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $55.00 to $75.00/hr. w2 Responsibilities: * Collaborate with business stakeholders, program leadership, and technical teams to gather requirements and translate them into effective ServiceNow solutions. * Design, develop, configure, test, and maintain ServiceNow applications, modules, workflows, forms, business rules, client scripts, UI policies, integrations, and related platform components. * Lead the development and enhancement of ServiceNow capabilities across areas such as ITSM, request management, knowledge management, asset management, CMDB, and other supported modules. * Maintain and optimize existing ServiceNow applications to ensure continued functionality, reliability, performance, and alignment with operational needs. * Troubleshoot and resolve issues related to ServiceNow application functionality, workflows, integrations, system performance, and data quality. * Support platform governance by following established development standards, change management procedures, documentation requirements, and configuration management practices. * Develop, enhance, and maintain integrations between ServiceNow and third-party enterprise systems using REST/SOAP, IntegrationHub spokes, MID Server, OAuth/JWT authentication, and other secure integration patterns. * Perform unit testing, support system integration testing, assist with user acceptance testing, and validate deployments prior to production release. * Create and maintain technical documentation, system design artifacts, knowledge articles, and user guidance related to developed solutions. * Provide technical support and subject matter expertise for ServiceNow-related incidents, service requests, problems, and enhancement efforts. * Participate in meetings with government and contractor personnel to provide status updates, technical recommendations, and solution demonstrations. * Support full platform administration including ACL configuration, role/access management, instance cloning, upgrades, performance tuning, AI governance controls, and operational sustainment activities to ensure continuity of service. Experience Requirements: * U.S. Citizen requirement. * Ability to pass federal background investigation and obtain a Public Trust. * 6+ years of hands-on ServiceNow development experience. * Proven experience developing, configuring, and supporting applications within the ServiceNow platform. * Experience with JavaScript, business rules, client scripts, UI policies, Flow Designer, IntegrationHub, and REST/SOAP integrations. * Strong understanding of ServiceNow platform architecture, application lifecycle management, and secure development practices. * Experience with modules such as ITSM, Service Catalog, CMDB, Asset Management, and Knowledge Management. * Hands-on experience with ServiceNow Now Assist, including configuration of generative AI features, responsible AI controls, and AI-driven agents and automations. * Experience with AI-driven development using the ServiceNow SDK preferred. * Strong analytical and problem-solving skills and effective communication. * Ability to work independently in a fast-paced, mission-oriented environment. * Experience supporting federal or regulated enterprise environments preferred. Education Requirements: * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.