Senior Software Engineer

Telstra; Sydney; On-site; AUD 140,000 - 200,000; Full time

Benefits offered by this job

Performance-related pay

Learning programs access

Global presence across 22 countries

Purchased annual leave scheme

Additional Telstra day off

Discount Telstra products and services

Toolkit provided (laptop + mobile)

Job summary

Telstra is seeking a Senior Software Engineer in Sydney to design and deliver scalable backend services, APIs and event-driven solutions. You will own end-to-end software delivery, champion quality and security, and influence architectural decisions within a collaborative, Agile environment embedded in CI/CD best practice.

You will work on Telstra Self Service App and other B2B applications, applying deep technical expertise across Java/Kotlin/Node.js, AWS/Azure, Docker/Kubernetes, Kafka and

Qualifications

• Advanced backend engineering across Java, Kotlin and Node.js with REST APIs and microservices.
• Cloud-native architectures on AWS/Azure, Docker and Kubernetes with production ownership.
• Experience with event-driven systems, Kafka and Redis Streams, plus secure delivery pipelines.

Responsibilities

• Design, build and maintain scalable backend services and APIs using modern practices.
• Deliver secure, reliable software through automated testing and CI/CD.
• Diagnose production issues using logs, metrics and tracing tools.
• Own end-to-end solutions from design to deployment and production support.
• Collaborate with cross-functional teams to influence technical direction.

Skills

Backend engineering

Java/Kotlin/Node.js

REST APIs

Microservices

DDD

CI/CD

AWS/Azure

Docker/Kubernetes

Event-driven

Security/Quality

Tools

Kafka

Redis Streams

GitHub Copilot

Job description

Employment Type

Permanent

Closing Date

1 Oct 2026 11:59pm

Job Title

Senior Software Engineer

Job Summary

As a Senior Software Engineer, you thrive on understanding and translating customer needs into new products and capability. You apply deep technical expertise and experience in software application layer solutions, to develop and deliver scalable design blueprints across the end-to-end software development life cycle. Your continuous learning and improvement mindset, collaboration and influencing skills are critical to success in this role.

Job Description

Who We Are

We’re an iconic Aussie brand with a global footprint. Our purpose is to build a connected future so everyone can thrive. We’re all about providing the best experience and delivering the best tech on the best network.

This includes making Telstra the place you want to work. For you, that means a having career that grows with you and working with a team powered by human connection that prioritises wellbeing and choice.

What We Offer

• Performance-related pay

• Access to thousands of learning programs so you can level-up

• Global presence across 22 countries; opportunities to work where we do business.

• Purchased annual leave scheme

• Additional Telstra day off

• Additional 30% off Telstra products and services

• Toolkit provided (laptop + mobile phone + plan paid for)

What You’ll Do

Product & Technology - Software Engineering & IT develops and maintains Telstra’s software and IT systems, working on some really cutting-edge technologies.

As the Senior Software Engineer, you will use your advanced software engineering knowledge to deliver complex application capabilities and improve the health of Telstra’s many digital assets. You will translate customer and business needs into maintainable technical solutions, contributes to architectural decisions, champion quality and security, and supports software across the full development lifecycle. Working in a team that works directly on the Telstra Self Service App and many other B2B customer applications, you will identify areas of improvement while being forward thinking demonstrating your ability to identify improvement areas and facilitate solutions.

Responsibilities include:

• Design, build and maintain scalable backend services, APIs and event-driven solutions using modern engineering practices and Domain-Driven Design principles.

• Deliver secure, reliable and high-quality software through automated testing, CI/CD, observability and performance-focused engineering standards.

• Diagnose and resolve complex production, integration and performance issues using logging, tracing, metrics and debugging tools.

• Own solutions end-to-end, from technical design and development through to deployment, production support and continuous improvement.

• Collaborate with Product, Architecture, Security and Platform teams to deliver business outcomes and influence technical direction.

• Provide technical leadership through mentoring, stakeholder engagement, knowledge sharing and driving engineering excellence across teams.

About You

You have strong Full-Stack Software development technology experience with a priority focus on Backend delivery. Combined with excellent stakeholder management, engagement and presentation skills, you thrive in a role that is autonomous yet collaborative while working in an Agile team embedded in CI/CD best practice. You understand customer needs and use this knowledge to advise development teams and product Managers on best engineering solutions in line with Tech capabilities and ability to manage multiple sprint priorities as required.

Essential Skills ant Technologies:

• Advanced backend engineering expertise across Java, Kotlin, Node.js, REST APIs, microservices and Domain-Driven Design, with the ability to build scalable, resilient and high-performing solutions.

• Strong experience designing cloud-native architectures using AWS, Azure, Docker and Kubernetes, with end-to-end ownership of services in production environments.

• Deep knowledge of event-driven architecture, including Kafka, Redis Streams, enterprise messaging patterns and asynchronous processing at scale.

• Secure, reliable and quality-focused delivery through automated testing, CI/CD, observability, performance tuning and modern software engineering practices.

• Proven use of AI-assisted engineering tools, including GitHub Copilot, to accelerate development while maintaining strong security, governance and engineering standards.

• Technical leadership, sound engineering judgement and strong communication skills, with experience mentoring engineers, influencing stakeholders and driving continuous improvement across teams.

Nice to have:

• Cloud, security, API, AI or Agile certifications with a commitment to continuous learning.

• Experience developing frontend applications using React.js or similar frameworks

• Hands-on experience with AWS serverless platforms, modern backend frameworks and enterprise API management tools.

• Strong understanding of AI model selection, token optimisation and cost-effective AI solution design.

• Experience building AI agents, leveraging GitHub Copilot and applying emerging AI technologies, including RAG and agentic patterns.

We’re amongst the top 2% of companies globally in the CDP Global Climate Change Index 2023, being awarded an ‘A’ rating. If you want to work for a company that cares about sustainability, we want to hear from you.

As part of your application with Telstra, you may receive communications from us on [phone] (for job applications in Australia) and [phone] (for job applications in the Philippines and India).

When you join our team, you become part of a welcoming and inclusive community where everyone is respected, valued and celebrated. We actively seek individuals from various backgrounds, ethnicities, genders and disabilities because we know that diversity not only strengthens our team but also enriches our work. We have zero tolerance for harassment of any kind, and we prioritise creating a workplace culture where everyone is safe and can thrive.

As part of the hiring process, all identified candidates will undergo a background check, and the results will play a role in the final decision regarding your application.

We work flexibly at Telstra. Talk to us about what flexibility means to you. When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process.

We are aware of current limitations with our website accessibility and are working towards improving this. Should you experience any issues accessing information or the application form, and require this in an alternate format, please contact our Talent Acquisition team on [e-mail] or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment