ServiceNow Senior Developer

JR United Kingdom; Luton; Remote; GBP 50,000 - 75,000; Full time

Job summary

A leading UK company is seeking a Senior Developer with expertise in ServiceNow for a remote opportunity. The role involves developing applications, optimizing performance, and collaborating with stakeholders in an Agile environment. Ideal candidates will have significant experience in ServiceNow, focusing on technical debt and code quality.

Qualifications

• Experience in developing and configuring ServiceNow applications.
• Proficient in performance optimization and debugging.
• Familiar with Agile methodologies and working in a collaborative environment.

Responsibilities

• Develop and configure ServiceNow applications and custom modules.
• Conduct profiling and debugging of scripts and queries.
• Participate in code reviews and optimize existing logic.

Skills

ServiceNow applications

Agile/Scrum methodologies

Performance Optimization

Technical Debt

CI/CD pipelines

Automatic Test Framework

Integration Hub

Job description

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ServiceNow Senior Developer, luton, bedfordshire

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Client:

Cpl Life Sciences

Location:

luton, bedfordshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

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