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Research Engineer in Data

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way

Company

Synthesia

Location

Europe

Status

Open

Posted

2026-01-12T18:39:54.092+00:00

Synthesia's Data team manages the lifecycle of the data behind its video models, from sourcing and large-scale processing to delivering datasets for research. This engineer works with model training teams to learn their requirements, then extracts features and annotations that improve datasets covering over a million hours of video and audio. The posting asks for applied ML experience improving model performance through data quality, curation, labeling and evaluation, strong Python, and ideally orchestration and large-scale pipeline work. The role sits between applied research, data engineering and ML infrastructure.