Staff Backend Engineer, Avatars

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 role You will work on the core systems powering Avatars and Generative Media , one of the most critical areas of Synthesia’s product. You will take ownership of the system design and architecture behind avatars , ensuring it remains scalable, reliable, and extensible as the product evolves. You will design systems that support complex product requirements such as avatar versions, sharing across users and organisations