ServiceNow Senior Developer

JR United Kingdom; Crawley; Remote; GBP 50,000 - 70,000; Full time

Job summary

A leading company is seeking a Senior ServiceNow Developer in Crawley to enhance their platform capabilities. The ideal candidate will drive development, conduct performance optimizations, and collaborate in an Agile environment. This role is crucial for maintaining platform standards and ensuring effective demos for stakeholders.

Qualifications

• Experience with ServiceNow applications and development.
• Skill in performance profiling and debugging.
• Familiarity with Agile methodology and collaboration in teams.

Responsibilities

• Develop and configure ServiceNow applications and modules.
• Conduct performance optimization and debugging of workflows.
• Participate in Agile ceremonies and collaborate closely with the team.

Skills

ServiceNow applications development

Performance optimization

Agile/Scrum methodologies

Collaboration

Job description

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ServiceNow Senior Developer, crawley, west sussex

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Client:

Cpl Life Sciences

Location:

crawley, west sussex, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

26.06.2025

Expiry Date:

10.08.2025

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Job Description:

ServiceNow Senior Developer

Inside IR35

Remote

3 months

Platform Development, Configuration and Documentation

• Develop and configure ServiceNow applications, including Custom Apps, Modules, UI Policies, Business Rules, and Client Scripts.
• Implement and maintain Workflows, Flow Designer flows, and Integration Hub spokes.
• Translate architecture and design into working, optimized code aligned with platform best practices.

Performance Optimization

• Conduct profiling and debugging of scripts, workflows, and queries to identify performance bottlenecks.
• Optimize GlideRecord usage, ACL performance, indexing, and background jobs.
• Collaborate with the architect to implement performance improvement recommendations.

Technical Debt & Code Quality

• Participate in identifying and addressing technical debt in existing modules and custom applications.
• Perform and respond to code reviews, refactor, and optimize logic where needed.
• Maintain clean, reusable, and modular code following defined standards and naming conventions.

Demo & Instance Readiness

• Prepare and validate instance readiness for feature demos and UATs (data prep, role mapping, test cases).
• Ensure the instance is clean, with demo-specific configurations and no test pollution.

Agile, Collaboration, and Demo Readiness

• Familiarity with Agile/Scrum methodologies and participation in ceremonies.
• Collaborate closely with BAs, Product Owners, and Developers to ensure business alignment.
• Lead and support feature demos, ensuring environments are technically ready and performance tested.
• Define and manage release readiness criteria from a technical perspective.
• Support in bi-weekly feature releases for client.

Testing & Validation

• Conduct unit testing, regression testing, and support performance testing.
• Log and resolve bugs or inconsistencies raised during internal QA or performance analysis.
• Use tools like Instance Scan, Script Tracer, Debug Logs to troubleshoot issues.

Nice to have

• Experience with CI/CD pipelines for ServiceNow.
• Hands-on with ATF (Automated Test Framework) for regression and performance validation.
• Experience handling demo or UAT environments, including data masking or synthetic data creation.
• Ability to present technical concepts to non-technical stakeholders clearly and confidently