AI Engineer

Keeyu Holdings Pty Limited; Sydney; On-site; AUD 140,000 - 190,000; Full time

Job summary

Keeyu Holdings Pty Limited – Surry Hills NSW is seeking a software engineer to design, develop and deliver agentic AI systems at the core of our platform, owning end-to-end backend, frontend and AI application layers, with accountability for reliability, safety and production performance.

You will design and operate production-grade AI systems, including agent planning, tool calls, memory management and orchestration, while building backend services and React-based interfaces for AI-enabled

Qualifications

• Degree in computer science, software engineering, electrical engineering or a related discipline.
• At least 4 years of professional software engineering experience.
• Hands-on experience building and deploying agentic AI systems in production, with autonomous actions against live systems.
• 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 systems

Full-stack development

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

React

LLM APIs

Agent frameworks

Prompt engineering

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.