Software Engineer (Model Inference)
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About this role
About us
We're building a new category of interactive entertainment powered by AI characters, image, video, and real-time experiences. We’re one of the most-visited AI products globally, serving millions of users every day.
We work in-person in Sydney, Australia, and hire globally.
How we work
User-first: We build what people want. We invest time to understand our users and focus on adding value instead of extracting value.
High agency, high ownership: We own outcomes end-to-end. When something goes wrong, we take responsibility and fix it.
Urgency: We prioritize ruthlessly, increase leverage, and move at an exceptional pace.
What you'll do
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.
Example projects
Ship a high-throughput inference server for our in-house models, serving millions of generations per day at <200ms latency.
Squeeze more out of every GPU with batching, quantization, and custom CUDA kernels.
Test and productionize LoRAs and our in-house models to serve 10s of millions of users.
What you'll bring
5+ years of experience building software at scale, with a focus on ML inference or GPU-accelerated systems.
Deep familiarity with GPU inference: batching, quantization, and serving frameworks like vLLM, TensorRT, or Triton.
The ability to get shit done end-to-end. From understanding users → proposing an idea → implementation → iteration.
Hunger to win. This is not going to be easy.
What we offer
Top-of-market compensation with meaningful equity upside.
Real ownership from day one. Work on important problems and see the impact of what you ship.
Fast-growing scope. As your impact grows, your responsibility and compensation should grow with it.
A company card for food, coffee, tools, and anything that helps you do your best work.
Daily team lunch and dinner at the office.
An unlimited workspace budget to build your ideal setup.
Visa sponsorship and relocation assistance for people moving to Sydney.
How we think about comp
We raise the ceiling for exceptional performers, not the floor. As your impact grows, your compensation should too.
The listed range is cash + equity, with superannuation on top.
We review compensation every 6 months.
Bonuses reward past impact, and raises reflect your new level.
Our interview process
Intro call: 15 minutes to align on the role and company.
Founder interview: go deep on what you’ve built, how you think, and how you work.
Technical interview: 1 hour of system design and technical discussion. No live coding.
Paid work trial: spend 3 days with us in Sydney working on a real problem. We cover travel and accommodation, if needed.
Offer: if it’s a strong fit, we move quickly.
Company
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