Principal AI Engineer
Catapult
Melbourne
11 May 2026
Principal AI Engineer
Principal AI Engineer needed at Catapult to design and build a knowledge graph-based reasoning system for sports performance data. Based in Melbourne, on-site. You will own the core intelligence architecture, including Neo4j knowledge graph, context synthesis pipeline, and agent orchestration.
On-site
Full-time
Principal
Go
Neo4j
Salary
Not specified
Core Qualifications
Technical (Must-have)
GoNeo4jAWS BedrockPromptFooPythonRustKnowledge GraphsLLM reasoningGraphRAG
Soft Skills
engineering judgmentwritten communicationcuriosityownership
Tools (Must-have)
PromptFooAWS BedrockNeo4j
Preferred Qualifications
Technical (Nice-to-have)
Neo4jGraphRAGAWS BedrockPromptFooreal-time data pipelines
Key Responsibilities
- Design and build the knowledge graph architecture in Neo4j
- Build the context synthesis pipeline using map-reduce over graph communities
- Build the intelligence service in Go that turns structured knowledge into practitioner-facing answers
- Build the integration layer connecting Catapult's product data into the graph
- Build evaluation infrastructure from day one using PromptFoo and LLM-as-judge
- Build internal validation tools for domain experts
- Set the technical standard for a team using AI coding tools
- Sit on the architecture committee
Principal AI Engineerknowledge graphGoNeo4jsports technologyMelbourneon-siteLLMreasoningevaluation-driven development