ServiceNow Senior Developer

JR United Kingdom; Northampton; Remote; GBP 50,000 - 80,000; Full time

Job summary

A leading company in the technology sector is seeking a ServiceNow Senior Developer in Northampton. The role involves developing, configuring, and optimizing ServiceNow applications while ensuring technical excellence and close collaboration with business stakeholders. This position requires expertise in performance optimization, Agile methodologies, and the ability to present technical concepts effectively.

Qualifications

• Experience developing and configuring ServiceNow applications.
• Proven track record in performance optimization and debugging.
• Familiarity with CI/CD pipelines and Agile methodologies is preferred.

Responsibilities

• Develop and configure ServiceNow applications and modules.
• Conduct profiling and debugging to enhance performance.
• Collaborate with stakeholders ensuring demo and instance readiness.

Skills

ServiceNow applications

Performance optimization

Agile/Scrum methodologies

Debugging

Technical debt management

CI/CD pipelines

Tools

Automated Test Framework

Instance Scan

Script Tracer

Job description

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ServiceNow Senior Developer, northampton

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Client:

Cpl Life Sciences

Location:

northampton, 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