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Data Engineer - Video & Multimodal Training Data (World Models)
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About the Company
Our client builds world model systems that learn how the world actually behaves over time and generate it back, interactively, in real time. Seven model releases since December 2024, including the first real-time synchronised audio-and-video world model and a four-player shared world.
The Challenge
Data is fast becoming one of the biggest bottlenecks in building world models. Models are only as good as the data behind them, and getting that data right is one of the hardest and most important problems any research lab has.
What You'd Own
- Curating large-scale multimodal datasets across video, robotics, and audio to train flagship models
- The selection logic: filtering, deduplication, quality scoring, captioning, and shot detection. The decisions that set the ceiling on model quality
- Platforms processing millions of hours of content, reliably, and at a cost that isn't embarrassing
- Dataset versioning, lineage, and reproducibility, which show which data was used and whether you can rebuild it
- Working directly with researchers on caption quality and data mix, and closing the loop on which data moved which eval
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Daily Responsibilities
- Some days you're tuning infrastructure. Some days you're sitting with a researcher, working out why the model learned the wrong thing.
What We're Looking For
- You've built training corpora for visual or multimodal ML at a scale where you had to write code to judge quality because you couldn't review them yourself
- Hands-on with video and/or audio — codecs, decoding, frame-level work, keeping modalities in sync. Not media as opaque blobs in object storage
- Python, Kubernetes in production, Ray, Flyte, or equivalent, petabyte-scale object storage, sharded dataset formats
- You've deliberately discarded data and can explain exactly how you decided
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Why It Matters
We care more about how you think about data than about your years of experience or your publication record. Data engineering or research background — both work.
Bonus Points
Also worth a conversation if: you've never touched video, but you've run petabyte-to-exabyte data infrastructure where selection, layout, throughput, and cost were the whole problem. That skill transfers. They've hired against it before.
Why This Seat
- You'd define versioning, lineage, and the quality bar rather than inherit someone else's from three years ago.
- The scope doesn't usually fit in one role: video, audio, robotics, synthetic data from our adversarial RL work, and licensed corpora.
- At a larger lab, that's five teams. You'd own a slice of one.
- And we name every contributor on our model release pages, including infrastructure and data people.
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