Senior ServiceNow Developer — Lead Secure, Scalable Solutions

International Business Machines Corporation; Hursley; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Flexible working

Private medical

Pension plan

Job summary

IBM Consulting UK FutureNow is seeking a Senior ServiceNow Developer to lead complex UK public-sector ServiceNow programmes. You will design, code, and configure across applications, workflows and integrations, driving secure, upgrade-safe solutions aligned with enterprise standards.

Join a team delivering high-profile projects with modern tooling, Agile practices, and clear pathways for technical leadership and knowledge transfer.

Qualifications

• Proven experience as a Senior ServiceNow Developer delivering complex implementations and enhancements.
• Strong hands-on JavaScript development across Business Rules, Client Scripts, Script Includes, UI Actions, UI Policies and ACLs.
• Experience with Flow Designer, Workflow, IntegrationHub and ServiceNow automation.
• Strong experience developing REST/SOAP integrations, APIs and custom applications.
• Good understanding of ServiceNow platform architecture, data models, security and development best practices.
• Experience with Update Sets, Source Control, Automated Test Framework (ATF) and ServiceNow deployment practices.
• Strong troubleshooting, debugging and performance optimisation skills.
• Experience delivering upgrade-safe, configuration-first solutions with minimal customisation.
• Experience working in Agile/DevOps environments, including estimation, code reviews, testing and continuous delivery.
• Ability to translate technical and functional requirements into scalable, maintainable solutions.
• Strong communication skills and experience working with architects, consultants and client stakeholders.
• Experience mentoring developers and providing technical leadership.
• Understanding of UK public-sector security, governance and compliance requirements.
• UK SC Security Clearance or eligibility to obtain and maintain clearance.

Responsibilities

• Design, develop and configure ServiceNow solutions across applications, workflows, business rules, client scripts, UI policies, Script Includes and Flow Designer.
• Develop robust server-side and client-side JavaScript to meet complex business and technical requirements.
• Design and implement integrations using REST, SOAP, IntegrationHub and other ServiceNow integration technologies.
• Develop and maintain custom applications, scoped applications, data models, APIs and reusable components.
• Translate functional and technical requirements into scalable, maintainable and upgrade-safe solutions.
• Apply ServiceNow development best practices, coding standards and a configuration-first approach, minimising unnecessary customisation.
• Perform unit testing, debugging, troubleshooting and performance optimisation across ServiceNow solutions.
• Support deployment activities using appropriate ServiceNow development and release processes, including update sets and source control where applicable.
• Work closely with architects and technical leads to ensure solutions align with enterprise architecture, security and platform standards.
• Provide technical input into solution design, technical specifications, estimates and implementation approaches.
• Support Agile delivery through sprint planning, backlog refinement, development, testing, code reviews and retrospectives.
• Conduct code reviews and provide technical guidance and mentoring to junior ServiceNow developers.
• Maintain high-quality technical documentation and support knowledge transfer across development and support teams.
• Contribute to platform upgrades, technical debt reduction, automation and continuous improvement.
• Ensure development activities comply with IBM, client and UK public-sector security, governance and compliance requirements.
• Maintain and comply with UK SC Security Clearance requirements when working on sensitive public-sector programmes.

Skills

JavaScript

ServiceNow

Agile/DevOps

Technical leadership

Communication

Education

Bachelor's Degree

Tools

Flow Designer

IntegrationHub

REST

SOAP

Update Sets

Source Control

ATF

Job description

IBM Consulting UK FutureNow is seeking a Senior ServiceNow Developer to lead complex UK public-sector ServiceNow programmes. You will design, code, and configure across applications, workflows and integrations, driving secure, upgrade-safe solutions aligned with enterprise standards.

Join a team delivering high-profile projects with modern tooling, Agile practices, and clear pathways for technical leadership and knowledge transfer.