Senior AI Architect: Multi-Agent Systems & Vertex AI

LTM; Australia; On-site; AUD 180,000 - 260,000; Full time

Job summary

LTM in Australia is seeking a Lead AI Engineer to architect and deliver enterprise-scale multi-agent AI solutions. You will translate complex business needs into scalable architectures, guide design decisions, and ensure production-grade quality across the stack.

You will collaborate with customers, software engineers, data scientists, and domain experts, setting standards, documenting technical designs, and guiding implementation.

Qualifications

• Python programming expertise
• Hands-on PyTorch or TensorFlow experience
• Strong knowledge of and hands-on experience with Google Cloud Platform (GCP)
• Experience with Vertex AI including Agent Builder, Search, and Conversational Agents
• Expertise in Generative AI, ML, DL, and Agentic AI patterns
• Experience designing and implementing multi-agent systems
• Hands-on experience with LangChain, LangGraph, LangSmith, Ragas
• Experience building advanced Retrieval Augmented Generation (RAG) solutions including Graph-based RAG
• Expertise implementing AI guardrails and responsible AI controls
• Experience in AI testing, EvalOps, and solution optimization
• Experience designing enterprise-scale AI solutions focusing on performance, cost, and accuracy

Responsibilities

• Lead the design, development, and implementation of enterprise-scale multi-agent AI architectures
• Translate complex business requirements into scalable AI solutions
• Develop modular, maintainable, high-quality code following software engineering best practices
• Define and communicate architecture decisions and technical design considerations
• Collaborate with customers, engineers, data scientists, and business stakeholders
• Document solution architecture, algorithms, workflows, and implementation details
• Design AI systems focusing on performance, scalability, security, cost optimization, and accuracy

Skills

Python

Generative AI

Machine Learning

Deep Learning

Multi-agent systems

Agentic AI patterns

AI testing

Security and privacy

Performance optimization

Tools

PyTorch

TensorFlow

Google Cloud Platform (GCP)

Vertex AI

LangChain

LangGraph

LangSmith

Ragas

Retrieval Augmented Generation (RAG)

Graph-based RAG

CoT Engineering

FastAPI

Pydantic

Spanner Graph / GQL

API development

Job description

LTM in Australia is seeking a Lead AI Engineer to architect and deliver enterprise-scale multi-agent AI solutions. You will translate complex business needs into scalable architectures, guide design decisions, and ensure production-grade quality across the stack.

You will collaborate with customers, software engineers, data scientists, and domain experts, setting standards, documenting technical designs, and guiding implementation.