> Markdown version of [/jobs/ext/3858985-service-now-developer](https://www.wearedevelopers.com/jobs/ext/3858985-service-now-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Service Now Developer - **Company:** Cognizant - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Computer-Aided Design, Application Programming Interfaces (APIs), Agile Methodology, JIRA, Unit Testing, Configuration Management Databases, Data Migration, Simple Object Access Protocol (SOAP), ServiceNow IT Service Management, Client Side Scripting, SOAPAPI, Network Support, ServiceNow Customer Service Management, Servicenow - **Published:** October 22, 2026 - **Apply:** https://dejobs.org/x/x/E84557A2E7424FEDA71EEA38A1C94614/job/ ## About the Role · Strong ServiceNow development, JavaScript and Glide API experience. · Experience in TSM, TSOM, CSM, ITSM, ITOM or CMDB/CSDM. · Experience with Flow Designer, IntegrationHub, REST/SOAP, Import Sets and Transform Maps. · Understanding of CMDB, CSDM, IRE, testing and deployment. · Good Agile, Jira, communication and documentation skills. Desirable Experience · Telecom or fibre-network experience, preferably with TSM/TSOM and service assurance. · Exposure to TM Forum APIs, OSS/BSS integrations, Discovery, Service Mapping or platform migration. Preferred Certifications · ServiceNow CSA or CAD; relevant CIS certification is desirable. ## Description We are seeking a hands-on ServiceNow Developer to build, integrate and support telecom solutions across TSM, TSOM, CSM, ITSM and CMDB/CSDM., · Configure and develop ServiceNow solutions and telecom service-assurance workflows. · Develop Business Rules, Script Includes, Client Scripts, UI Policies, ACLs and notifications. · Build workflows and integrations using Flow Designer, IntegrationHub and REST/SOAP APIs. · Support CMDB/CSDM, CI relationships, IRE, Discovery, Service Mapping and data migration. · Perform unit testing, resolve defects and support SIT, UAT, releases and hypercare. · Maintain Jira stories and technical documentation while following ServiceNow development standards.