Backend Software Engineer

Change Recruitment; Sydney; Hybrid; AUD 140,000 - 160,000; Full time

Benefits offered by this job

Professional development opportunities, including training and certifications

Collaborative, engineering-driven culture

Work with cutting-edge technology in defence and AI/ML

Job summary

A high-growth Defence Tech company in Sydney is seeking a Backend Software Engineer to enhance backend systems. The ideal candidate will have over 3 years of experience in software development, particularly in Node.js and best practices. This role offers a competitive salary, professional development, and the chance to work with cutting-edge technology in a collaborative environment.

Qualifications

• Minimum 3 years experience in backend software development.
• Strong proficiency with Node.js.
• Experience with NestJS.

Responsibilities

• Architect, build, and maintain backend systems that enhance functionality.
• Implement automated testing to ensure platform stability.
• Collaborate with engineering peers to design and support new features.

Skills

Node.js

REST APIs

Microservices

Unix/Linux environments

Job description

Base pay range

A$140,000.00/yr - A$160,000.00/yr

This range is provided by Change Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Location

Location: Sydney - Hybrid (2/3 Days Work From Home)

About the Company

My client is an innovative, high-growth Defence Tech company operating at the forefront of AI/ML, sensor fusion, and complex data systems. Backed by strong investment and serving customers across the world, they are rapidly scaling both their product capabilities and global presence.

With a strong engineering culture and a focus on delivering impactful solutions, my client offers the opportunity to work on projects that make a tangible difference in the real world.

The Role

They are seeking a Backend Software Engineer to join their agile development team. The ideal candidate will bring a strong understanding of backend best practices and a track record of delivering high-quality, scalable solutions.

Key Responsibilities

• Architect, build, and maintain backend systems that enhance functionality and user experience


• Implement automated testing to ensure platform stability and reliability


• Collaborate with engineering peers to design, release, and support new features


• Take ownership of services and code in production environments


• Manage and optimise relational databases for performance and scalability

Ideal Experience

• Minimum 3 years experience in backend software development


• Strong proficiency with Node.js


• Experience with NestJS


• Solid understanding of REST APIs, microservices, and backend development best practices


• Experience working in Unix/Linux environments


• Competitive salary package with performance-based incentives


• Access to cutting-edge technology and tools in defence and AI/ML


• Professional development opportunities, including training and certifications


• Contribute to projects with national security importance and global reach

What you'll get / Benefits

• Work with cutting-edge technology in defence and AI/ML


• Professional development opportunities, including training and certifications


• Collaborative, engineering-driven culture

This is a chance to join a talented engineering team tackling complex, high-impact challenges. The work you do will directly contribute to building secure, scalable backend systems that support mission-critical applications. For those who thrive in a high-growth environment and enjoy building from the ground up, this role offers the opportunity to make a genuine impact.

Apply now for immediate consideration or contact [e-mail] for more details.

Key details

• Seniority level: Mid-Senior level


• Employment type: Full-time


• Job function: Information Technology


• Industries: Technology, Information and Media