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Staff Research Engineer - Multimodal Generative Modelling

Synthesia

Remote · EuropeSalary not disclosedfull-timeSynthesia Careers

As a Staff Research Engineer, you'll join the Voice team within our 40+ person R&D department, but your scope will extend well beyond voice. You'll help define and drive that broader vision across teams, proposing ambitious research directions and taking direct ownership of the design and implementation of its most critical components.

Responsibilities

  • Shape our roadmap to create new model capabilities and unlock new functionality for our customer base, on both short and long time horizons.
  • Propose novel multi-modal system architectures (especially text and voice).
  • Develop and evaluate streaming and conversational systems for low-latency, interactive voice-video synthesis.
  • Design solutions that reinforce emotional expressiveness and natural interaction.
  • Implement and bring designs to life, from pretraining through post-training.
  • Integrate and test novel architectures (neural codecs, diffusion, flow-matching) to enhance realism and responsiveness.
  • Define new evaluation metrics for conversational systems, including latency-aware and interaction-based measurements.
  • Track the latest research in audio-visual diffusion, autoregressive models, neural codecs, and multimodal LLMs.
  • Curate new datasets to complement existing data.
  • Lead post-training initiatives like DPO, fine-tuning, and distillation to bring models to shipping quality.

Languages

    Work format
    Remote
    Seniority
    Senior
    Posted
    17 Jul 2026
    Last verified
    In the last 5 days

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