Job Description

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- At coreflow, we're redefining entertainment with AI. We're one of the fastest-growing startups globally, serving 20 million users in our first year. We're an in-person company based in Sydney, Australia.
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- We're guided by a set of principles that are foundational to our work and drive every decision:
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- User-first: We build things that people want. We invest time to understand our users and focus on adding value instead of extracting value.
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- High agency, high ownership: We're responsible for the pieces we own, end-to-end. We own every mistake, figure out what went wrong, and fix it. We don't blame anyone or anything else.
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- Urgency: This is a once-in-a-lifetime prospect. We prioritize well, find ways to increase leverage, and move at an inspirational pace.
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What you'll do

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- You'll own our model inference stack end-to-end — serving our in-house and open-source models to tens of millions of users at low latency and high throughput, and squeezing every bit of performance out of our GPU fleet.
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- Ship a high-throughput inference server for our in-house models, serving millions of generations per day at .
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- Test and productionize LoRAs and our in-house models to serve 10s of millions of users.
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What you'll bring

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- 5+ years of experience building software at scale, with a focus on ML inference or GPU-accelerated systems.
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- Deep familiarity with GPU inference: batching, quantization, and serving frameworks like vLLM, TensorRT, or Triton.
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- The ability to get shit done end-to-end. From understanding users proposing an idea implementation iteration.
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- Hunger to win. This is not going to be easy.
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What we offer

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- Competitive compensation with meaningful upside.
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- A company card for food, coffee, tools, and anything that helps you operate at a high level.
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- Daily team lunch and dinner at the office.
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- Unlimited workspace budget. Build your ideal setup.
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- Real ownership and impact from day one.
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- Based in Sydney and hiring globally. We sponsor visas and offer relocation assistance to help you make the move.
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How we think about comp

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Our overarching philosophy is to raise the ceiling for our best performers, not the floor. We pay based on the value you add to the company.

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- The range listed for this role is total comp: cash plus equity combined, with superannuation paid on top.
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- We re-evaluate compensation every 6 months. Bonuses are backward-looking; raises are forward-looking.
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- A bonus rewards work you've already done, like exceptional output or consistently performing above your level.
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- A raise reflects that you've moved up. It resets your baseline to match the higher level you're now operating at.
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- A quick phone call to learn about you and share more about our company.
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- A technical interview, 1hr of system design, no live coding.
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- A paid work trial, so you get a feel for what it's like to work with us.
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📌 Software Engineer, Model Inference (Senior/Staff/Principal) (New South Wales)
🏢 coreflow
📍 New South Wales