Senior Machine Learning Engineer - Private Search Quality (AU remote)

Build evaluate improve ML ranking models for private team brand search; Communicate technical tradeoffs to non technical stakeholders; Contribute to indexing using ElasticSearch OpenSearch and vector search; Drive relevance and recall improvements; Extend private and brand search coverage to agent search surfaces; Implement exact title match; Improve intelligent result understanding and search recovery; Investigate and resolve search quality regressions in production;