Senior Software Engineer

Date: 7 Nov 2025

Location: Sydney, Australia

Company: Singtel Group

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband, and digital solutions.

As a Senior Software Engineer – Fullstack (iOS Specialist), you'll play a key role in delivering seamless digital experiences. This role involves building intuitive solutions across iOS applications, Salesforce Commerce storefronts, and customer web portals, leveraging cutting-edge AI technologies.

What You'll Do

• Technical designing & implementation of high-quality mobile application solutions for consumer/SMB customers.
• Developing, delivering, and maintaining applications for front-end and back-end integration.
• Incorporating LivePerson Chat SDK and integrating Google CCAI technologies to improve context handoff and intent recognition.
• Collaborating across Optus CX, AI, and Engineering teams to ensure secure, customer-centric solutions aligned with our transformation roadmap.
• Performing solution development and technical/UX/UI oversight tasks, including approving API Interface Contracts and UX/UI/Visual compositions of front-end apps.

What You Bring

• Strong iOS development knowledge using Swift, SwiftUI, and Xcode.
• Demonstrated track record of successfully integrating LivePerson Chat SDK into iOS and Salesforce Commerce storefronts.
• Understanding of Google CCAI / Dialogflow CX for conversational context handoff.
• Experience with RESTful APIs, OAuth 2.0, and backend integrations.
• Familiarity with Android development environment.
• Previous experience as a senior member of an engineering team within a large enterprise.
• Ability to work with IT teams, business units, and collaborators, establishing positive relationships.

The good stuff….

• Competitive remuneration and employee 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 on-site 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 employee-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 or call We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit