Senior ServiceNow Developer

Job Requisition ID: 39309 

Senior ServiceNow Developer | Portal & Custom Widget Specialist | Sydney, AUS

• Shape enterprise-wide digital experiences on a leading ServiceNow platform

• Work in agile, high-performing teams driving real user impact

• Flexibility, mentoring, and continuous professional growth opportunities

Step into a highly innovative, forward-thinking enterprise where your ServiceNow expertise will drive meaningful digital experiences. Based in Sydney, this permanent opportunity sits within our Application Services team and focuses on delivering engaging, user-centric portal experiences that power critical enterprise workflows.

In this role, you’ll help transform how employees interact with digital services — designing intuitive, scalable ServiceNow portal solutions that enhance usability, adoption, and performance across the enterprise.

What will your typical day look like?

Day to day you’ll lead the design and development of advanced Service Portal pages and custom widgets, delivering responsive and scalable user experiences that support complex enterprise workflows.

You’ll collaborate closely with IT and business stakeholders, translating requirements into functional prototypes and interactive solutions. From architecting AngularJS-based custom widgets to integrating workflows and backend services, you’ll play a key role across the full SDLC lifecycle — design, development, testing, deployment, and optimisation.

You’ll also mentor junior developers, conduct code reviews, drive UI/UX improvements, and champion continuous platform enhancement through adoption of new ServiceNow features and best practices.

About the team

You’ll join a collaborative, high-performing Application Services team specialising in custom scoped application development and platform optimisation on ServiceNow.

We value innovation, usability, and continuous improvement. The team works in agile environments and partners closely with business stakeholders to deliver impactful digital solutions. Your expertise in portal and widget development will directly influence how employees engage with critical enterprise services.

Enough about us, let’s talk about you.

You may have all or some of the following skills / experiences:

• 5+ years of experience in ServiceNow development, with strong expertise in custom widget development and Service Portal architecture

• Deep knowledge of AngularJS, JavaScript, HTML5, CSS3, Bootstrap, JSON, and REST/SOAP integrations

• Proven experience with client scripts, server scripts, Script Includes, Glide APIs, and scoped application development

• Experience designing responsive, user-centric portal pages with strong UX principles

• Ability to debug and optimise complex widget performance issues

• Strong understanding of integration patterns and ServiceNow APIs

• Experience working across the full SDLC lifecycle

• Strong documentation, solution design, and stakeholder communication skills

• ServiceNow certifications (CSA, CAD) highly regarded

• Familiarity with Now Experience UI Framework or modernising Service Portal implementations (desirable)

Why Deloitte?

• At Deloitte, we focus our energy on interesting and impactful work. We’re always learning, innovating and setting the standard; making a positive difference to our clients and our society. We put coaching at the heart of what we do, helping our people grow their careers in any direction – whether it be up, moving into something new, or even moving across the world.
• We embrace diversity, equity and inclusion. We have a diverse collection of people from different backgrounds, with different experiences, gender identities, abilities and thinking styles. What binds us together is a shared commitment to value everyone’s perspective and to cultivate inclusion; so that our work environment is a safe space we can all belong.
• We value in-person connection with our clients and our colleagues. We offer several ways for you to work flexibly so that you can serve your clients, stay connected with your team, and manage your personal priorities.
• We help you live and work well. To support your personal and professional life, we offer a range of perks and benefits, including retail discounts, wellbeing leave, paid volunteering days, twelve flexible working options, market-leading parental leave and return to work support package.

Next Steps

Sound like the sort of role for you? Apply now, we’d love to hear from you!

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By applying for this job, you’ll be assessed against the Deloitte Talent Standards. We’ve designed these standards so that you can grow in your career, and we can provide our clients with a consistent and exceptional Deloitte employee experience globally. The preferred candidate will be subject to background screening by Deloitte or by their external third-party provider.

By applying for this job, you’ll be assessed against the Deloitte Talent Standards. We’ve designed these standards so that you can grow in your career, and we can provide our clients with a consistent and exceptional Deloitte employee experience globally. The preferred candidate will be subject to background screening by Deloitte or by their external third-party provider.