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Senior ServiceNow (SNOW) Developer

Avacone
Office & Professional
Office & Professional
Negotiable
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Description

Location
London

Hours
Full Time

Salary
Competitive salary based on experience

About the Role
We are seeking a highly experienced Senior ServiceNow Developer to design, build, and optimize scalable ServiceNow solutions across enterprise environments. This role demands deep platform expertise, strong engineering discipline, and the ability to collaborate closely with architects, product owners, and stakeholders to deliver high-quality outcomes. As a senior contributor, you will lead development efforts, mentor other developers, enforce best practices, and help shape platform standards and governance. Key responsibilities include leading the development and configuration of ServiceNow solutions aligned with enterprise architecture and platform standards, translating business requirements into technical designs and implementation plans, and developing advanced ServiceNow components such as Script Includes, Business Rules, Client Scripts, UI Policies, UI Actions, Flow Designer/IntegrationHub workflows, ACLs, and custom scoped applications. You will also build and maintain integrations using REST/SOAP APIs, MID Server, and external authentication mechanisms, ensure performance, scalability, maintainability, and compliance, provide technical leadership in sprint delivery and solution reviews, support production releases, troubleshoot complex issues, and maintain high-quality documentation.

Requirements

Experience
- 5+ years of hands-on ServiceNow development experience in complex environments
- Strong ServiceNow platform expertise including ITSM (mandatory), CMDB and CSDM principles, Workflow/Flow Designer, Service Portal/UI Builder (depending on scope)
- Advanced JavaScript skills and solid understanding of ServiceNow scripting patterns
- Experience designing and implementing enterprise integrations (REST/SOAP, MID Server, data imports)
- Strong understanding of ITIL processes and service management operating models
- Experience in Agile delivery (Scrum) with proven ability to work in cross-functional teams
- Strong communication skills in English (written and spoken)

About you
Detail-oriented and proactive with strong leadership capabilities. Able to mentor junior developers and contribute to knowledge sharing and development standards. Comfortable working in a collaborative environment and driving best practices across teams.

Qualifications
- ServiceNow certifications such as Certified System Administrator (CSA), Certified Application Developer (CAD), Certified Implementation Specialist (CIS) in one or more modules preferred
- Experience with ITOM (Discovery, Service Mapping, Event Management) is a plus
- Experience with SecOps, GRC, HRSD, or CSM modules desirable
- Knowledge of ServiceNow Performance Analytics and reporting
- Experience with DevOps, CI/CD, Automated Test Framework (ATF), and release automation is advantageous

Expiry date: 09/09/2026
Senior ServiceNow (SNOW) Developer
Company:
Avacone
Job Type:
Full-time
Location:
London