AI Engineer

Keeyu Holdings Pty Limited; Sydney; On-site; AUD 140,000 - 210,000; Full time

Job summary

Keeyu Holdings Pty Limited in Sydney, NSW, is seeking an experienced software engineer to design, build and operate agentic AI systems across backend, frontend and AI application layers. You will own end-to-end production delivery, with a focus on reliability, safety and performance.

You will work across Python and TypeScript, leverage LLM APIs, agent frameworks and orchestration patterns, and contribute to front-end interfaces using React.

Qualifications

• Degree in computer science, software engineering, electrical engineering or a related discipline.
• At least 4 years of professional software engineering experience.
• Demonstrated hands-on experience building and deploying agentic AI systems in production, meaning autonomous agents taking real actions against live commercial systems, as distinct from prototypes or conversational AI features.
• Strong proficiency in Python and TypeScript.
• Hands-on expertise with large language model APIs, agent frameworks, prompt and context engineering, tool calling and orchestration patterns.
• Full-stack capability across backend, frontend (React) and AI application layers.
• Experience designing and operating production-grade systems for reliability, scalability and performance.

Responsibilities

• Design, build and operate AI agent systems in production, including agent planning, tool and function calling, memory and context management, error recovery, fallback logic and human-in-the-loop escalation paths.
• Develop backend services and frontend interfaces for AI-driven features.
• Build evaluation and guardrail infrastructure for non-deterministic system behaviour.
• Own the full lifecycle from architecture through to production operation.

Skills

Python

TypeScript

Agent frameworks

Prompt & context engineering

Tool calling & orchestration

Full-stack development

React

Production deployment

Reliability & performance

Education

Degree in computer science / software engineering / electrical engineering or related discipline

Bachelor’s degree in CS/SE or equivalent

Tools

React

LLM APIs

Agent frameworks

Memory management

Orchestration tooling

Job description

Keeyu Holdings Pty Limited - Surry Hills NSW

You will design, develop and deliver the agentic AI systems at the centre of our platform. This is end-to-end ownership spanning backend services, frontend interfaces and the underlying AI application layer, with accountability for reliability, safety and performance in production.

Key responsibilities

• Design, build and operate AI agent systems in production, including agent planning, tool and function calling, memory and context management, error recovery, fallback logic and human-in-the-loop escalation paths.
• Develop backend services and frontend interfaces for AI-driven features.
• Build evaluation and guardrail infrastructure for non-deterministic system behaviour.
• Own the full lifecycle from architecture through to production operation.

About you

• Degree in computer science, software engineering, electrical engineering or a related discipline.
• At least 4 years of professional software engineering experience.
• Demonstrated hands-on experience building and deploying agentic AI systems in production, meaning autonomous agents taking real actions against live commercial systems, as distinct from prototypes or conversational AI features.
• Strong proficiency in Python and TypeScript.
• Hands-on expertise with large language model APIs, agent frameworks, prompt and context engineering, tool calling and orchestration patterns.
• Full-stack capability across backend, frontend (React) and AI application layers.
• Experience designing and operating production-grade systems for reliability, scalability and performance.

About us

Keeyu is a venture-backed Australian software company building an AI-powered e-commerce operations platform. Our system connects storefronts, ERPs, warehouses, carriers, helpdesks and returns systems to detect and resolve order issues before customers are affected. We work with retail and consumer brands across Australia and internationally.