Haast

Senior AI Engineer

Haast

full-time

Posted on:

Location Type: Hybrid

Location: Sydney • 🇦🇺 Australia

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Job Level

Senior

Tech Stack

AWSCloudPython

About the role

  • Design & Build: Architect and implement hybrid search methods combining vector databases with LLMs.
  • Optimize & Scale: Lead the optimization of retrieval strategies and pipelines for high-recall compliance detection.
  • Benchmark & Evaluate: Develop evaluation systems, drive continuous tuning, and set performance standards.
  • Partner & Deliver: Collaborate with product and engineering to deliver new ML features end to end.

Requirements

  • Proven experience in ML or search engineering in production
  • Proficiency in Python and writing clean, maintainable code
  • Hands-on experience with LLMs, RAG architectures, and real-time inference systems
  • Experience designing, deploying, and maintaining ML systems in production
  • Experience working across back-end systems and search infrastructure
  • Experience building NLP evaluation systems
  • Bonus points if you have:
  • Experience with Vespa, OpenSearch, or similar search technologies
  • Data engineering or benchmarking system design
  • FastAPI framework experience
  • AWS cloud expertise
  • Startup or high-growth environment experience
  • Research background in ML or search
  • DevOps and CI/CD familiarity
Benefits
  • Flexible hybrid model - Sydney preferred, Aus remote possible for the right candidate
  • Competitive salary and above market equity (ESOP) - we share success
  • Collaborative, engineering-driven culture with a focus on learning and growth
  • Work with the AI technologies everyone talks about - but rarely gets to use

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
PythonLLMsRAG architecturesreal-time inference systemsNLP evaluation systemsdata engineeringbenchmarking system designFastAPIDevOpsCI/CD
Soft skills
collaborationleadershipoptimizationevaluationtuning