Senior AI Engineer

Not another research role - Build AI that’s transforming compliance workflows in enterprise organisations today.

About Haast

We're not just talking about AI - we're building one of the first enterprise-grade LLM implementations that delivers real, measurable value to compliance and legal teams today.

Over the past two years, we've transformed compliance from a painful checkbox exercise into a smooth, intelligent process. Our AI-powered platform helps, compliance, and marketing teams revolutionise their operations with 80% faster reviews and 4x productivity boosts, freeing them to focus on work that matters.

As the regtech industry rockets toward a $50 billion future, we're proudly leading this shift on the global stage.

The Role

This role is ideal for someone who wants to take ownership of high-impact systems, push the boundaries of AI and search technology, and ship models into production that enterprise teams rely on daily..

You'll design and implement hybrid recall methods that combine advanced search technologies with large language models. You’ll build scalable systems that detect compliance risks in real time and power critical decision-making for enterprise teams.

Impact you'll make

• 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.

What you'll bring

Must Have:

• 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

Why Haast

Growth & Impact

• Recently secured a $6M seed round led by AirTree to accelerate our growth

• Build enterprise-grade AI technology that major enterprise institutions trust - not just prototypes

• Shape how AI transforms compliance, a sector long overdue for change

• Accelerate your career: learn more in 12 months than most roles offer in 3 years

Culture & 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

If you’re looking for a high-impact role where your work shapes the future of enterprise AI, we’d love to hear from you.

At Haast, we believe bold ideas come from diverse perspectives. We’re committed to building a team that reflects the world we work in; across gender, background, orientation, ability, and experience. Even if you don’t tick every box, we’d still love to hear from you. If this role sparks your interest, reach out - let’s chat.