Senior ServiceNow Developer

Job Description

Purpose of the role:
To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

• Development and delivery of high‑quality software solutions by using industry‑aligned programming languages, frameworks, and tools.
• Ensuring that code is scalable, maintainable, and optimised for performance.
• Cross‑functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participation in code reviews, and promotion of a culture of code quality and knowledge sharing.
• Staying informed of industry technology trends and innovations and actively contributing to the organisation’s technology communities to foster a culture of technical excellence and growth.
• Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Join our HR Technology team as a Senior Service Now Developer and play a key role in transforming the colleague experience across Barclays. In this role, you’ll design and deliver high‑impact Service Now HR Service Delivery solutions, working closely with HR and Technology stakeholders to shape architecture, drive agile delivery, and integrate with platforms such as Workday and the Microsoft ecosystem.

Combining hands‑on development with technical leadership, you’ll help set standards, improve performance and security, and deliver innovative solutions at scale, making this an exciting opportunity for someone passionate about modern HR platforms and meaningful enterprise transformation.

To be successful as a Senior Service Now Developer – a 12‑month full‑time contract – you should have experience with:

• Architecting and implementing Service Now platform and HR Service Delivery solutions at enterprise scale.
• Implementing Now Assist for Generative and Agentic AI use cases.
• Supporting infrastructure such as Workday, Entra, Microsoft Graph, and Microsoft 365 (Teams, Copilot) at a working knowledge level.
• Some other highly valued skills may include:
  • Experience designing conversational interfaces with Copilot.
  • Experience working with zero‑copy data architectures.
  • Experience designing and implementing end‑to‑end use cases with Workday.
• You may be assessed on the key critical skills relevant for success in the role, such as risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, as well as job‑specific technical skills.

This role will be based in either our Glasgow or Northampton office.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence, and Stewardship – our moral compass, helping us do what we believe is right.

They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.