Senior AI Platform Engineer - Build the AI Factory

Matchbox; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Benefits offered by this job

ESOP – Employee Stock Ownership Plan

AI Productivity Benefit – up to USD 1,

Parental Leave – 12 weeks paid, plus 6

Milestone events & team dinners

Job summary

Relevance AI in Sydney, Australia offers a Staff AI Platform Engineer role within a hybrid model requiring 3 days in the office. You will own the platform factory, developer experience, and reliability for an AI-native engineering environment, enabling rapid shipping of agents across teams.

You will design guardrails, sandboxed environments, and scalable cloud infrastructure while collaborating with a small, high-output team. Relocation sponsorship is available.

Qualifications

• Experience building AI-native platforms and agent-driven workflows.
• Proven ability to own developer experience and platform reliability.
• Familiarity with cloud infrastructure, observability and cost controls.

Responsibilities

• Own our developer experience and factory — the build, test, deploy, and local-dev loop that lets engineers and agents ship fast, with confidence.
• Build agent-safe environments — sandboxes, guardrails, and context for safe autonomous work.
• Own reliability, end-to-end — SLOs, on-call health, observability, incident response and prevention.
• Own our cloud infrastructure and cost — AWS, scalability, and spend visibility for the org.
• Design and evolve platform capabilities that work across teams and engineers.
• Remove systemic bottlenecks — every fix compounds across the organization.
• Share platform expertise openly and mentor others in infrastructure changes.

Skills

AI-native platform engineering

Developer experience ownership

CI/CD tooling

Cloud infrastructure (AWS)

Observability & SRE basics

Tools

Terraform

Kubernetes

Datadog

Job description

Relevance AI in Sydney, Australia offers a Staff AI Platform Engineer role within a hybrid model requiring 3 days in the office. You will own the platform factory, developer experience, and reliability for an AI-native engineering environment, enabling rapid shipping of agents across teams.

You will design guardrails, sandboxed environments, and scalable cloud infrastructure while collaborating with a small, high-output team. Relocation sponsorship is available.