Date: 6 Jul 2026

Location: Sydney, Australia

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Company: Singtel Group

At amaysim, it’s not just the customers that get all the Big Love – we make sure our people feel it too! Our people are the staple of our culture and everything we do is driven by our four key values, with empathy at the heart of it all. We work hard and have fun in the process, always looking for new ways to innovate and encourage whilst remaining true to our roots.

The Web & App UX Designer is responsible for building, delivering, and continuously refining amaysim’s customer experience across our website and mobile app. This hands-on role centers on UX composition, journey optimisation, and practical implementation across digital platforms.

Sitting within the Marketing & CX team, this role partners closely with Product, Technology, CVM, CX, and Coordinated Marketing to bring customer-first experiences to life. The role combines strong UX craft with execution capability, from designing intuitive experiences to getting hands-on updating the platform and supporting delivery.

The Web & App UX Designer will oversee UX guidelines across web and app, contribute to digital releases, and lead continuous refinement of key customer journeys. Flutter experience is desirable, as our web and app platforms are developed and maintained using Flutter.

What you’ll do

Take responsibility for the complete product experience throughout web and app.
Build simple, intuitive, and accessible customer experiences that balance customer needs with business objectives and technical constraints.
Build wireframes, prototypes, and high-fidelity designs, rapidly prototyping concepts to validate ideas.
Work closely with engineers to ensure the build intent is delivered and continuously improve the digital experience.
Understand customer difficulties through research and analytics,



translating them into practical product solutions.
Contribute to the evolution of our system, building reusable patterns and components.
Support experimentation and A/B testing to optimize customer journeys, bringing to bear AI-assisted tools to accelerate research and ideation.

What you’ll Bring

At least 7 years of UX experience, with a strong portfolio demonstrating outstanding product thinking and customer-centred build.
Demonstrated capacity to guide products from initial discovery to final production, collaborating closely with engineers to make sure ideas are effectively realized.
Experience working across shared web and app platforms; familiarity with Flutter is preferred.
Strong capability in journey mapping, usability testing, and experience optimization across end-to-end customer journeys.
Ability to collaborate effectively with Product, Technology, Marketing, and external partners.
Data-informed approach, comfortable using insights and testing to inform UX decisions.
Adaptable and practical, growing in fast-paced environments.
Natural curiosity about new technologies, AI, and modern product build practices.
Dedication to Optus’ values of empathy, simplicity, agility, and reliability.
Demonstrated success in driving measurable digital growth with strong commercial judgment.

The good stuff…

Competitive remuneration and colleague discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.




Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym, and in office childcare centre.
Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
Direct your own development and build future-ready skills with Optus U’s industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
Build meaningful connections through colleague-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network, and Express Yourself (LGBTQIA+).
Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander.

We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email [email protected] or call 1800 309 170.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity

📌 Web & App UX Designer (Haymarket)
🏢 Optus
📍 Haymarket