ServiceNow Developer (HRSD & App Engine - Contract), Technology Consulting

At EY, we develop you with future-focused skills and equip you with world-class experiences. We empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams.We work together across our full spectrum of services and skills powered by technology and AI, so that business, people and the planet can thrive together.

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Join EY and shape your future with confidence.

The Opportunity

The ServiceNow Developer will be a hands-on technical lead for New Squad, designing, developing, and maintaining applications for workforce management and employee services while providing technical direction and quality oversight. The role combines ServiceNow development, business analysis, and technical leadership, with expertise in HR Service Delivery (HRSD), App Engine, and user-experience technologies, The Lead Developer will remain accountable for end-to- end delivery—from requirements and solution design through development, testing, deployment, and support—while establishing reusable Ul/UX capabilities, guiding developers, and helping to create a consistent experience across applications and squads.

Key Responsibilities:

1. Development & Technical Implementation 

Design, configure, develop, and maintain ServiceNow applications for workforce management and employee services using HRSD and App Engine
Configure HR services, case management, employee service workflows, lifecycle events, portals, catalog items, and related HRSD capabilities
Build scoped applications, data models, forms, business rules, Ul policies, client and server scripts, and automated workflows using App Engine Studio and Flow Designer 
Develop and maintain integrations using lntegration Hub and REST/SOAP APls where required 
Apply ServiceNow development standards and reusable design patterns to deliver secure, scalable, maintainable, and supportable solutions
Ensure solutions comply with organisational architecture, security requirements, lM8, and SGTS standards

2. Business Analysis, Stakeholder Engagement & User Experience 

Engage business stakeholders to understand workforce-management and employee-service needs, pain points, policies, and operational processes
Facilitate requirements workshops and translate business needs into clear process flows,  functional requirements, user stories, acceptance criteria, and solution designs 
Communicate solution options, constraints, risks, and trade-offs clearly to both business and technical stakeholders
Apply empathy and user-centred design principles to understand employees’ and service teams’ contexts, challenges, and behaviours, and translate these insights into intuitive, inclusive, accessible, and efficient experiences 
Validate proposed designs with users and stakeholders through walkthroughs, prototypes, and feedback sessions, and refine the solution based on evidence and user feedback
Balance user needs with business objectives, policy requirements, security controls and platform standards, 

3. Agile Delivery, Testing & Rollout 

Work within a Scrum-lite delivery model and contribute actively to backlog refinement, sprint planning, daily stand-ups, sprint reviews, and retrospectives 
Collaborate with stakeholders and the Product Owner to develop, prioritise, estimate, and refine user stories and acceptance criteria 
Plan sprint commitments based on priorities, dependencies, risks, and team capacity, and track delivery progress and blockers
Prepare test scenarios and test data, support system and integration testing, coordinate user acceptance testing, and ensure defects are tracked to closure
Plan and coordinate user briefings, training, communications, and operational-readiness  activities
Develop rollout and deployment plans, including release readiness, cutover activities, rollback considerations, release documentation, and post-deployment verification
Support production deployment, stabilisation, and handover to operations and support teams

4. Security, Compliance & Quality Assurance 

lmplement role-based access controls and appropriate safeguards for sensitive employee and workforce data
Adhere to lM8, SGTS, organisational security requirements, and applicable data-protection policies throughout the development lifecycle 
Establish and maintain automated tests using ServiceNow Automated Test Framework where appropriate
Support code reviews, quality checks, release controls, and Cl/CD practices for ServiceNow deployments
Remediate vulnerabilities, defects, and audit findings within agreed timelines

5. Technical Leadership, Reusable Ul/UX Capabilities & Design Governance 

Design, build, document, and govern a reusable library of Ul/UX components widgets, patterns, templates, and supporting utilities that developers across ServiceNow squads can adopt in their applications
Provide fit-for-purpose reusable capabilities across Service Portal, Employee Center, and Ul Builder, taking account of the distinct architecture, lifecycle, and constraints of each experience technology
Define component interfaces, configuration options, usage guidance, versioning, testing, security, accessibility, performance, and release practices so that shared assets remain reliable, upgrade-compatible, maintainable, and easy to consume
Establish contribution, review, publishing, adoption, and deprecation processes for the shared library; maintain related documentation and reference implementations; and gather developer feedback to improve it
Partner with the ServiceNow Ul/UX Designer to develop and maintain an internal design system that sets the visual and interaction language for Experience Hub, the employee front door to application and workflow services
Translate the design system into practical standards, design tokens, patterns,  templates, and reusable coded assets that deliver a coherent, accessible, responsive, and user-friendly experience across Experience Hub services 
Provide technical guidance to developers on architecture, solution design, platform capabilities, coding standards, reuse, security, performance, maintainability, and  upgrade considerations, while enabling teams to retain ownership of delivery
Lead design and code reviews for higher-risk, shared, or complex solutions; document review outcomes and technical decisions; identify cross-application dependencies; and ensure significant issues are resolved before release
Evaluate when to use out-of-the-box capabilities, configure existing components, extend shared assets, or build custom solutions, balancing user needs, delivery effort, platform alignment, technical debt, and long-term supportability

6. Strategic Engineering Enablement 

The Lead Developer will also work with the team to explore, define, and deliver the following  strategic engineering outcomes: 

Establish a standardised application deployment pipeline to improve release consistency,  control, and efficiency
Explore and validate a secure approach for transferring ServiceNow Protected Platform (SPP) vibe-coded solutions to the on-premises environment, or, to deploy Build Agent directly onto the on-premises environment 
Define and implement an appropriate developer role and access model for ServiceNow  developers, balancing delivery needs with security and governance requirement
Undertake other ad hoc technical explorations, proofs of concept, or short-term  assignments as required to address emerging needs and support the App Dev squads

7. System Maintenance, Support & Documentation 

Perform sprint-based maintenance, including incident resolution, defect fixes, performance tuning, and enhancements
Monitor application health, investigate issues, and resolve incidents in accordance with agreed service levels
Maintain functional and technical documentation, including requirements, process flows, solution designs, configuration records, integration specifications, test evidence, deployment guides, and support procedures
Create knowledge articles and conduct knowledge transfer to support teams and business users 
Use operational feedback and sprint retrospectives to improve solution quality, delivery  practices, and user experience 

To qualify for the role, you will need: 

Minimum 5 years of relevant experience delivering enterprise ServiceNow solutions, including substantial hands-on  experience in HRSD and App Engine
Demonstrated experience as a senior or lead developer  providing technical direction, conducting solution and code  reviews, and establishing development standards without  becoming solely a supervisory role
Experience designing and governing reusable Ul components,  widgets, patterns, or design-system assets for adoption by multiple applications or development teams,  
Experience performing combined business analysis and  development responsibilities and working directly with business stakeholders and Ul/UX designers

Skills and Attributes for Success: 

ServiceNow Certified System Administrator (CSA)  
Certified Application Developer (CAD)  
Certified lmplementation Specialist – HR Service Delivery (ClS- 
HR)  

What working at EY offers

EY offers a competitive remuneration package where you’ll be rewarded for your individual and team performance. We are committed to being an inclusive employer and are happy to consider flexible working arrangements. Plus, we offer:

Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next.
Success as defined by you: We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
Transformative leadership: We’ll give you the insights, coaching and confidence to be the leader the world needs.
Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.

Company description

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

All in to shape the future with confidence.