Senior Production ML & AI Systems Engineer

Xero; Sydney; Hybrid; AUD 170,000 - 210,000; Full time

Job summary

Xero is seeking a software engineer to design, build and own the production systems that power our AI features used by millions of small businesses daily.

You will work on backend platforms for LLM and agentic workloads, mentor engineers, set standards and partner across Xero to ensure data usability and dependable systems. The role blends architecture, reliability and cost awareness with shipping speed.

Qualifications

• Design, ship and operate production‑grade backend systems at scale.
• Experience building/operating production systems for LLM or agentic workloads.
• Strong system design fundamentals and coding skills for web‑scale services.

Responsibilities

• Design, build and own production systems behind Xero's AI features.
• Set engineering standards and mentor engineers across AI Products.
• Collaborate across Xero to make data usable and systems dependable.
• Ensure reliability, latency and cost targets for ML/AI in production.

Skills

Backend systems scale

LLM workloads orchestration

System design fundamentals

Python/Go/Java/TypeScript

APIs & cloud infra AWS

On-call incident response

SQL & data processing

Communication skills

Mentoring engineers

Tools

PyTorch

TensorFlow

MLflow

Spark

Job description

Xero is seeking a software engineer to design, build and own the production systems that power our AI features used by millions of small businesses daily.

You will work on backend platforms for LLM and agentic workloads, mentor engineers, set standards and partner across Xero to ensure data usability and dependable systems. The role blends architecture, reliability and cost awareness with shipping speed.