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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Principal Applied Research Engineer

Requirements

  • Proven track record training large-scale video generation models from scratch
  • Deep experience with post-training techniques at scale
  • Ability to think strategically about multi-year research direction
  • Cross-functional influence skills

What you'll be doing

  • Own the end-to-end technical direction for offline video generation
  • Partner with research leadership to define long-term roadmap
  • Identify critical technical gaps and unblock them
  • Increase velocity of research to product
  • Coach and elevate more junior researchers and engineers
  • Help shape team structure to enable high-velocity execution

Particularly relevant experience

  • Owned a major model generation end-to-end
  • Worked across pre-training and post-training stages
  • Experience operating at scale
  • Applied alignment and fine-tuning techniques in a video context
  • Experience with human feedback pipelines in generative video
AI Summary ✨
Synthesia logo

Synthesia

Remote EMEA

Remote EMEA
Experience: Principal
Posted: September 16, 2026
Last seen: an hour ago
Express
Git
machinelearning

Why we track Synthesia

Synthesia is the London-based AI video platform (avatars, dubbing, generative video) and one of the UK's biggest AI scale-ups. Engineering and research sit in London, with several roles open to anyone in Europe or remote in the UK. Senior engineers in London earn around £184K on levels.fyi (median £137K), and remote-Europe L5 roles come in at about €116K.

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