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Full Stack Engineer Jobs in Australia 2026 with Visa Sponsorship

March 10, 2026 5:24 am

Full Stack Engineer Jobs in Australia 2026 with Visa Sponsorship

A Principal Full Stack Engineer / AI Engineer opportunity is available in Sydney, New South Wales, Australia, offering an exceptional salary package ranging from AUD $400,000 to $650,000 per year, plus equity and performance bonuses. The role also includes visa sponsorship under Australia’s Employer Sponsored visa programs, including Subclass 186 and Subclass 482 visas, making it suitable for qualified international candidates.

This position is part of a rapidly growing AI technology startup that is developing next-generation AI-powered consumer products used by millions of users globally. The company has achieved significant early traction, reaching over one million daily active users and an eight-figure annual revenue within a short period of time. The role offers the chance to work on high-scale infrastructure and product systems powering AI-driven experiences while collaborating with a highly skilled engineering and research team.

About Role

The Principal Full Stack Engineer will play a key role in designing and building high-performance backend systems and product infrastructure that support large-scale AI-powered applications. The engineer will work closely with product, engineering, and growth teams to deliver scalable software solutions capable of supporting millions of users interacting with real-time AI systems.

The role involves full ownership of systems from architecture and development to deployment and optimization. Engineers will be responsible for ensuring system performance, reliability, and scalability in a fast-paced environment where rapid iteration and product delivery are critical. This position is ideal for experienced engineers who enjoy tackling complex engineering challenges and contributing directly to product innovation at scale.

About Hiring Firm

The hiring company is a rapidly expanding AI-focused startup based in Sydney, focused on building interactive AI-driven platforms and consumer applications. The organization develops advanced technology that enables personalized digital experiences powered by artificial intelligence to redefine how users interact with AI-powered systems. The engineering team works closely with AI researchers and product leaders to build scalable infrastructure that supports large-scale AI workloads and consumer-facing platforms.

Responsibilities

Design and build scalable backend systems for AI-powered applications
Develop infrastructure supporting high-traffic consumer platforms
Own systems end-to-end from architecture and development to deployment
Optimize system performance, reliability, and scalability for large user bases
Build and maintain high-performance APIs and backend services
Collaborate with product, engineering, and growth teams to deliver new features
Maintain infrastructure supporting large-scale AI workloads
Contribute to continuous improvements in system architecture and engineering processes
Monitor system performance and implement improvements to ensure reliability
Participate in rapid development cycles within a fast-paced startup environment

Requirements

Strong experience in full-stack or backend software engineering
Proven experience building high-scale distributed systems or consumer platforms
Experience working on products serving millions of users
Strong proficiency in modern programming languages such as TypeScript
Experience with modern web frameworks such as Next.js
Solid understanding of scalable backend architecture and cloud infrastructure
Strong problem-solving skills and the ability to work independently
Experience working in fast-paced startup or product engineering environments
Ability to take ownership of systems from development through production deployment
Eligibility for Australian employer-sponsored visa programs (Subclass 186 or 482)

Click Here to Apply

Conclusion

This Principal Full Stack Engineer position offers a rare opportunity to join a fast-growing AI startup. You will work at the forefront of applied artificial intelligence. The role provides an outstanding career opportunity for experienced engineers looking to work on cutting-edge AI technologies.