Senior Software Engineer

Posting Start Date: 22 Aug 2025

Location: Sydney, New South Wales, AU, 2000

Company: Serco Plc

Serco is a place where you can grow

Join a team of 12,000+ professionals across Asia Pacific (APAC) and experience a place of challenge, opportunity, and reward.

We offer lots of headroom for you to grow and flexible benefits to suit you in every stage of your life and career, including:

  • Hybrid work arrangement - 2-3 days per week in office and the rest WFH

  • Exposure to innovative projects that impact millions across Australia

  • Career development opportunities through leadership and technical pathways

  • A supportive, inclusive and gender-equal culture

  • Access to cutting-edge technologies including low-code platforms

  • Generous leave entitlements and wellbeing support programs

Make an impact at Serco

We're on the lookout for a highly skilled and collaborative Senior Software Engineer to join our Digital & Technology Services team. In this role, you’ll help design, develop and deliver scalable and efficient full-stack web applications using both traditional technologies and the OutSystems low-code platform. You’ll work across exciting government projects in Defence, Health, Justice, Transport and more — all of which aim to create lasting, positive change.

As a Senior Software Engineer in the Digital & Technology Services team, you’ll make a positive impact by:

  • Designing and developing web applications using OutSystems and full-stack technologies

  • Collaborating with analysts, UX/UI designers and other developers to create cohesive solutions

  • Integrating systems and third-party services via REST/SOAP APIs

  • Ensuring code quality and maintainability through best practices and documentation

  • Troubleshooting and resolving issues, bugs and performance bottlenecks

  • Participating in Agile/Scrum processes, including sprints and retrospectives

Serco is a place for you

To be successful in this role you’ll have:

  • Proven experience as a Full Stack Developer, with a strong project portfolio

  • Demonstrated proficiency in OutSystems and full-stack development

  • Knowledge of front-end frameworks (e.g. Angular, React, Vue.js) and back-end languages (e.g. C#, Python, Java)

  • Experience integrating OpenAI services and working with cloud platforms (AWS, Azure or GCP)

  • A relevant degree in IT, Computer Science or Engineering

In joining us, you’ll be part of a highly supportive culture with trusted leaders that will help you achieve your goals. Here, you will appreciate a flexible approach to work-life that comes with working at a company with long-term government-backed contracts.

Are you ready to do important work that really matters?

At Serco, we bring together the right people, the right technology, and the right partners to create impactful solutions that address some of the world’s most urgent and complex challenges.

We focus on serving governments all over the globe. The work we do has touched the lives of millions in Australia, New Zealand, and Hong Kong, and offers unique opportunities to leverage your skills across our core capabilities in Health, Defence, Maritime, Justice, and Community Services.

We seek and celebrate diversity and encourage applications from all backgrounds and cultures including Aboriginal and Torres Strait Islander people, LGBTQI+, veterans and people with disability.

By joining Serco you’ll have access to Employee Networks led by colleagues who are passionate about diversity, inclusion and belonging.

Impact a better future at Serco.