Backend AI Engineer

Sydney-based start-up with significant media attention, founders gathering to go for round 3, after previous successful exits. 

What you need to have done already:
  • Shipped high-traffic backend services (Python, TS, Go, Rust — whatever you’re good at) that don’t fall over
  • Designed and owned the whole AI stack end-to-end: LLM inference, RAG pipelines, eval systems, agent tooling, vector DBs, observability
  • Taken LLM serving + tooling from zero to handling serious load yourself (not just demos)
  • Profound, practical knowledge of RAG, agents, evals, prompting, tracing, the stuff that actually matters when things are live
  • Prove you can move fast without breaking everything
Small team, considerable scope, proper funding. This is a genuine founding engineer position; you’ll own significant chunks of the core product.
If you’re currently stuck working on boring enterprise junk or prompt-wrangling at a place that never ships real volume, hit me up.

Contact: Jason@blackroc.co
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