Senior Software Developer
Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 28, 2026. BAE Systems scores A on the Alion truth index.
Senior Software Developer
Job Location: SA (Osborne Naval Shipyard)
We work in a thriving sector - one that puts us at the forefront of exciting and meaningful work. Every day we push boundaries to produce some of the world’s most innovative and ground breaking technology. Individually we all contribute to our success. Collectively we make the impossible possible.
Recognised for delivering projects of global and national significance that help keep Australia safe, it is our shared passion that shapes our culture, and our people that make it a great place to work.
Who we are:
Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow - shaping a safer future, for all of us.
We embrace flexible work arrangements at BAE Systems Australia, such as working a 9-day fortnight.
Role Description
We are seeking an experienced Senior Software Engineer to join our team supporting the Hunter Program at Osborne Naval Shipyard, South Australia.
In this role, you will be responsible for the analysis, design, development, maintenance, and support of software that are critical to program success. Working within a collaborative and multidisciplinary environment, you will contribute to the ongoing reliability, performance, and enhancement of software solutions while partnering closely with internal teams and customer stakeholders.
Core Duties:
- Design, develop, test, deploy, and maintain scalable software applications and services.
- Contribute to the design and implementation of microservices-based architectures using modern containerisation technologies.
- Develop high-quality, maintainable code using JavaScript, Node.js, and related technologies.
- Design and implement secure APIs, authentication mechanisms, and role-based access controls.
- Contribute to software architecture decisions, technical roadmaps, and engineering best practices.
- Collaborate with cross-functional teams and stakeholders to understand requirements and deliver effective technical solutions.
- Support build, release, and deployment processes across development and production environments.
- Investigate, troubleshoot, and resolve software issues, ensuring system stability and performance.
- Participate in code reviews, technical documentation, and continuous improvement initiatives.
- Provide ongoing production support and contribute to system enhancements and optimisation activities.
- Ensure software solutions comply with relevant quality, security, and engineering standards.
About YOU
- Experience in software engineering, including the design, development, and support of enterprise applications.
- Proficiency in JavaScript and Node.js with demonstrated experience in containerisation technologies, including Docker and/or Podman, within microservices environments.
- Strong software design and architecture experience, with the ability to develop scalable and maintainable solutions.
- Experience developing and integrating RESTful APIs, authentication services, and role-based access controls.
- Strong understanding of relational databases, including PostgreSQL (preferred) or similar database technologies.
- Experience developing custom web applications and user-focused software solutions.
- Proven experience with build and release management, CI/CD pipelines, deployment processes, and production support.
- Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues.
- Australian citizenship and the ability to obtain and maintain an NV1 Defence Security Clearance.
Why BAE Systems?
Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work - this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family - support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.
A place where everyone can thrive
We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.
We support our veteran community through VetNet Australia, along with initiatives such as Reserve Service Leave, a Veteran Mentoring Program, and partner-supported programs.
We welcome applications from all candidates and strongly encourage Aboriginal and Torres Strait Islander peoples to apply.
We are proud to be recognised as an employer of choice for women by WORK180 and recipients of the Benchmarcx Top Employer for Candidate Experience Excellence 2026. As members of the Circle Back Initiative, we commit to responding to every applicant.
If you require any reasonable adjustments during the recruitment process, please contact our recruitment team to discuss the support you may need. You can also connect with us via Careers and Employment.
Security statement
Please note, as a defence security clearance is required for this role, applicants must be Australian citizens and either possess or be eligible to obtain and maintain one. Further information regarding security clearances.