Senior ML Engineer, Dubbing

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 we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. About the team The Dubbing and Localisation team owns Synthesia's end-to-end video translation product, transforming existing videos into new languages while preserving voice, lip sync, and timing. As the team scales, building robust, automated infrastructure for measuring and maintaining translation quality is important. The role You'll own the design and scaling of an automated translation quality evaluation framework — building the infrastructure that lets the team measure quality consistently, automatically, and at scale. You'll be partnering closely with the team to ensure the systems you build reflect real-world prod...