Job Description

Senior AI Software Engineer | Python, Java, Graph DB | Sydney CBD | Hybrid | 12 Month Contract (extendable)n

Sirius Technology is working with a leading financial services organisation based in Sydney CBD to recruit a Senior AI Software Engineer for a high-impact 12-month contract.

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This role sits within an enterprise AI Enablement platform team in Retail Banking, building the core software rails and infrastructure that allow engineering teams across the organisation to deploy multi-agent AI solutions. This is a core backend software engineering position requiring robust programming fundamentals, distributed systems experience, and production-grade software development. The team has been running production multi-agent environments for over a year, so we are seeking an engineer with genuine commercial production experience integrating AI systems, rather than candidates focused solely on basic experimentation, hobby projects, or quick prototypes.

Responsibilitiesn

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- Design and build scalable, production-grade backend systems and microservices in Python and Java to enable enterprise-wide AI agent deployment.
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- Architect and integrate robust AI/ML pipelines into existing high-availability software platforms.
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- Leverage Graph technologies to structure, query, and optimise complex enterprise data relationships for agentic workflows.
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- Build and maintain infrastructure for multi-agent platforms, state management, and enterprise security controls.
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- Utilise modern AI tools and LLM capabilities to solve complex software engineering bottlenecks at scale.
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- Collaborate with business unit development teams to streamline integration and maintain platform reliability.
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Skillsnn
- Strong core software engineering fundamentals with extensive commercial backend development experience in Python and Java.
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- Proven commercial experience deploying production AI/ML pipelines and LLM infrastructure (beyond POCs or personal projects).
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- Hands-on experience working with Graph technologies (e.g., Neo4j, Amazon Neptune, or knowledge graphs).
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- Experience with, or exposure to, multi-agent enterprise software environments and complex LLM orchestration.
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- Solid analytical and problem-solving capabilities within high-availability distributed systems.
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- Must be an Australian Citizen or Permanent Resident (PR).
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📌 Senior AI Software Engineer (Sydney)
🏢 Sirius People
📍 Sydney