Senior ServiceNow DeveloperAsegúrese de presentar su candidatura con toda la información solicitada, tal como se expone en la descripción del puesto a continuación.Department: Cyber Services and CapabilitiesEmployment Type: Full TimeLocation: ESP MadridDescriptionThe Senior ServiceNow Developer is the most senior hands?on technical authority for the ServiceNow platform underpinning our cybersecurity managed services. The role designs, builds and maintains complex, heavily customised applications in an environment where out?of?the?box functionality is not sufficient: scoped applications, custom data models, advanced server?It demands expert?level JavaScript, a rigorous approach to performance, maintainability and upgradeability, and the judgement to know when to configure, when to customise, and when to challenge the requirement.

Complex Application Development: Design and build scoped applications, custom data models and business logic that go well beyond out?of?the?box capability, while keeping the instance supportable and upgradeable.Advanced Scripting and JavaScript Engineering: Write, review and refactor advanced server?side JavaScript across Script Includes, Business Rules, GlideAjax, Scripted REST APIs, UI Scripts, UI Actions and Service Portal widgets, applying sound engineering practice within the constraints of the platform.Integrations: Design and build robust integrations with external systems, security tooling and customer platforms using REST and SOAP, including authentication, error handling, retry behaviour and monitoring.Platform Health and Upgradeability: Own the technical quality of a heavily customised, multi?customer set of instances: performance tuning, reduction of technical debt,



upgrade impact analysis and remediation of skipped or broken customisations.Code Review and Technical Standards: Set and enforce coding standards, secure development practice and peer review across the team, and drive consistent, measurable improvement in code quality.impacting production issues, including root cause analysis across integrations, ACLs, asynchronous processing and performance, and communicate findings to service and customer stakeholders.Collaboration: Work closely with ServiceNow administrators, frontend developers, UX and service delivery colleagues to ensure solutions are implemented and operated seamlessly end to end.Skills, Knowledge & ExpertiseHands?on ServiceNow development experience, including a minimum of 3 years in complex, heavily customised, multi?level JavaScript: strong command of server?side JavaScript, including debugging, refactoring and performance?conscious codeDemonstrable experience as the most senior technical developer on a platform or team: setting standards, owning code review, making architectural decisions and mentoring other developersExperience delivering ServiceNow within a managed service, MSP or multi?customer environment, including direct engagement with customers on requirements, technical escalations and service impactServiceNow Certified Application Developer (CAD) and Certified System Administrator (CSA)Expert knowledge of platform development: scoped applications, data model and table design, Business Rules, Script Includes, GlideRecord and GlideAggregate,



ACLs, Flow Designer, scheduled jobs and asynchronous processingDeep knowledge of ServiceNow client and server APIs, including Scripted REST APIs, GlideAjax and the differences between scoped and integral application developmentProven experience designing and maintaining integrations (REST, SOAP, OAuth and SSO patterns) with external and customer?side systemsDemonstrable experience of performance tuning, advanced debugging and diagnosing complex platform issues in productionExperience of platform upgrades on a customised instance, including impact analysis and remediationSecure software development lifecycle (SSDLC) practice, structured release management and version control (update sets, application repositories, ATF, CI/CD)Ability to work autonomously, own delivery end to end, and set technical direction for othersExcellent written and verbal communication in English, including the ability to explain technical trade?technical and customer stakeholdersDesirable RequirementsBachelor's degree in computer science, information systems or a related fieldAdditional ServiceNow certifications (CIS in relevant modules, Certified Technical Architect or Certified Master Architect)Experience with modern frontend frameworks, in particular ReactExperience in a cybersecurity or managed services environment (Security Operations, Vulnerability Response, SIEM, SOC)Experience working in an agile delivery model with Jira and Azure DevOpsJob BenefitsFlexible Working: Balance your work and personal life with our flexible working options.Generous Holiday Allowance: Enjoy 25 days of holiday, plus bank holidays, with the option to buy up to 5 additional days of annual leave.Green Car Scheme: friendly car scheme.

📌 Senior Servicenow Developer (Madrid)
🏢 Ncc Group
📍 Madrid