Senior AI Engineer / AI Architect

Melbourne | 3 Month Contract + Possible Extension | Daily Rate | Hybrid

What you’ll be doing
Designing the architecture for long-running, transactional AI agents
Taking agent features from prototype to reliable production
Making framework and tooling calls with a clear view of the trade-offs
Building in reliability, observability and failure handling as scale increases
Leaving a solid foundation the team can build on toward Series A

Must Have
Production experience building and shipping LLM agent systems
Deep knowledge of agent frameworks such as LangChain or LangGraph, including how they work underneath
Experience with agents that take real actions or execute transactions
Strong systems and architecture skills at product scale
The ability to be productive from day one with up-to-date AI tools
Availability to start at short notice

Other Requirements




Australian citizenship is mandatory.
Ability to obtain a baseline security clearance is required.
Experience with modern frontend ecosystems, cloud-native platforms and API-driven architectures.
Exposure to AI-augmented or specification-driven development approaches.
Experience using agentic AI development tools and workflows.
Previous experience working within government or highly regulated environments.

Perks
Supportive team.
Adaptable hybrid working arrangements.
Potential extension after 12 months.

Equal Opportunities

Halcyon Knights is an equal opportunities employment agency. We welcome applications from people of all backgrounds, identities, and experiences.
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