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Staff AI Platform Engineer
Relevance AISydney, AustraliaSenior
Apply Job Title: Staff AI Platform Engineer
Location 📍: Sydney, AU, Hybrid (3 days in office required)
About Us 🚀
At Relevance AI, we’re building the home of the AI workforce.
Our mission is simple: empower every team to delegate meaningful work to AI agents that think, act, and collaborate like experts.
With Relevance AI, anyone can create and manage intelligent agents that handle workflows, decisions, and collaboration - all within one unified platform. Our technology already powers industry leaders such as Canva, Databricks, Confluent, Autodesk, Lightspeed, Rakuten, Aveva, Qualified, and Activision Blizzard, helping them scale excellence across operations, marketing, and sales.
We’re backed by Bessemer Venture Partners, Insight Partners, Peak XV, and King River Capital, and raised our Series B in April 2025 to accelerate growth and push the boundaries of agentic automation.
Headquartered in San Francisco and Sydney, we operate on a hybrid model and thrive on curiosity, collaboration, and execution - we move fast, think big, and win together.
In 2025, we were proud to be named LinkedIn’s #1 Startup in Australia.
If you want to define how the world works with AI, join us.
The Role 🥳
As coding agents get more powerful, the biggest lever is no longer about shipping features faster — it's building the factory that ships every feature.
At Relevance AI, that's what we're building: an end-to-end system where coding agents pick up a task, build it, test it, review it, and deploy it safely, at speed. We've proven pieces of this already; the next frontier is making it reliable and scalable across every team.
In this role, you’ll own our developer experience, platform infrastructure, reliability and the factory that enables our whole engineering team to out-build with agents. You'll get to shape the foundations of our AI-native platform which everything else depends upon.
This is one of the highest leverage roles in the company: every system you build multiplies every engineer, and every agent, working alongside them — and the infrastructure and cost calls you make is what enables a small AI-native team out-ship a much larger one.
We are willing to sponsor engineers relocating from overseas to Australia.
How We Build ⚒️
We believe that AI is fundamentally changing software and what it means to be an engineer. That means our team works differently:
AI engineering (coding agents, loops, eval) is a core part of every engineer's workflow.
Engineers own customer problems end-to-end, not just implementation.
We prototype quickly, validate with customers, and iterate relentlessly.
We ship continuously, often multiple times a day.
We care about product impact as much as technical quality.
We don't see platform engineering as a gated function or a black box. You'll bring deep expertise and help the wider team build real understanding and ownership of it, not just depend on you for it. That means working hands-on alongside application engineers, with knowledge flowing both ways.
Meet The Team 👋
Your Impact 💥
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 that let agents investigate issues, build, review work and ship autonomously.
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 multiple teams and support multiple engineers and agents contributing code.
Remove systemic bottlenecks — every fix compounds across engineering, not just your own team.
Share platform expertise openly, educate the wider engineering team, and create clear paths for others to contribute to infrastructure and platform changes.
Who We’re Looking For 🧠
In one-line: a staff platform builder who cares deeply about developer experience and owning the factory - product-minded, AI-native by default and driven to multiply everyone else's output.
You'll likely thrive here if you demonstrate:
AI-Native Building: You push the frontier of what coding agents can do, and have built the environments, guardrails, evaluation frameworks and context that allows agents to build safely at speed for others, not just for yourself.
Product Thinking & Judgement: You prioritise platform work by its downstream impact on shipping customer outcomes, not by gold-plating infrastructure. You can talk about who used what you built and why it mattered.
Platform and Infrastructure Depth: You've owned developer experience, CI/CD, build/deploy tooling and cloud infrastructure for a shipping team, and you think in leverage: your proudest work made everyone else faster.
Reliability Ownership: You’ve owned SLOs, on-call health, observability, and incident response directly without a separate SRE team to rely on.
Cross-Team Leverage. You’ve improved teams beyond your own; educating, unblocking others and setting standards that other people have adopted.
Belief in our mission. You raise the standard for people around you, you're comfortable with ambiguity and pace, and you believe a smaller AI-native team can out-build a larger, traditional one.
Our Tech Stack (so far) 💻
Experience in our exact stack is not required — what matters more is how fast you can pick up a new one, and how deeply you already use AI coding agents as part of your daily workflow.
Frontend: React, Vue.js, Typescript
Backend: Express.js, Node.js, Typescript, Python
Database: PostgreSQL, MongoDB
Cloud Infrastructure: AWS, Vercel, Terraform, Kubernetes
CI/CD: Github Actions, Octopus Deploy
Observability: Datadog
AI Coding Tools: Claude Code, Cursor, Codex and more
Why Join Us? 🌟
Work at the forefront of AI with a nimble team that is constantly pushing boundaries. We encourage and celebrate ideas that drive our mission forward.
We’ve set high standards in our high-trust, low-ego environment. We hire exceptional people to do the best work of their lives. In return, we reward our people with competitive salaries, equity stake, unparalleled professional growth, and career-defining opportunities.
Relevance AI is well-funded by leading investors, including Bessemer Venture Partners, Insights Partners, Peak XV, and King River Capital.
As an early team member, you’ll play a key role in shaping our future—including our culture, ways of working, and even the benefits we offer. We’re laying the foundations now, and your ideas can help define what comes next.
Benefits ✨
📈 ESOP – Employee Stock Ownership Plan so you can grow with the company
🤖 AI Productivity Benefit – Get up to $1200 USD/year to spend on AI tools that help you work smarter and grow your skills
👶 Parental Leave – We offer 12 weeks of paid parental leave for all eligible new parents, and an additional 6 weeks for the birthing parent
🎉 Milestone Merch – Celebrate your work anniversaries with customised Relevance AI swag
🍿 Food, Drinks & Community – Stay energised with free breakfasts, healthy snacks, and a fully stocked fridge of drinks. Enjoy team lunches provided every Tuesday, Thursday and Friday, plus Uber Eats dinners and regular catered office meals throughout the week. As the home of the AI workforce, we also host vibrant community events featuring thought leaders, industry partners, and the wider tech community.
🪩 Quarterly Team Events – Build stronger connections through fun, meaningful team bonding experiences every quarter
🏓 Social Clubs – Share your hobbies and interests by joining or starting a club with your teammates. From hiking and chess to board game nights and social committee activities—there’s something for everyone!
🧠 Sonder EAP – Access 24/7 mental health and wellbeing support through Sonder, our Employee Assistance Program
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