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This listing was closed on Aug 21, 2026.
Browse Open JobsApplied Research Engineer – Dubbing
Summary by AIEngineer.careers
Applied Research Engineer – Dubbing is a AI Research Engineer role (full-time). with Synthesia. in GREATER LONDON, GB. Imported listing (source: shecancode.io). Apply on the employer's site (shecancode.io).
Imported listing (source: shecancode.io) · Apply on shecancode.io
GREATER LONDON · GB
—
Full-time
MID
The sections below reproduce the third-party job description for reference. AIEngineer.careers does not write or control this text.
Imported job description
Sourced from shecancode.io
Synthesia, the leading AI video platform for business, is seeking an Applied Research Engineer to join its Post-Training Team in London. In this role, you will work on cutting-edge generative AI challenges, focusing on applying diffusion models to production video generation, dubbing, and lip-sync. You will implement post-training optimization techniques such as DPO, quantization, pruning, and distillation to enhance model efficiency and avatar quality.
Responsibilities
- Apply DPO (direct preference optimisation) to pre-trained models.
- Adapt models to extend capabilities by changing conditioning inputs.
- Build solutions for dubbing and evaluate lip-sync quality.
- Implement post-training optimization techniques including quantization, pruning, and distillation.
- Analyze and address model performance challenges to ensure high-quality avatar rendering.
- Stay current with research in diffusion models, adversarial networks, and post-training methods.
Requirements
- Bachelor's or higher in Computer Science, Computer Vision, or related field with 3+ years industry experience.
- Knowledge of recent post-training techniques (distillation, adversarial networks, efficient attention).
- Experience with generative models for images/videos (Diffusion/GAN), preferably in the avatar domain.
Synthesia
Greater London · GB · 654+ employees
Synthesia is a software development company providing an AI video communications platform. It enables users to create professional AI-generated videos featuring synthetic avatars, voiceovers, and custom templates for business use, such as learning, sales, and marketing.
