
Synthesia
Senior Research Engineer – Voice
USRemotePosted Today$190,000 – $270,000
Full TimeSeniorRemoteUS
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Job Description
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
Key Highlights
- Develop and evaluate streaming and speech-to-speech systems, enabling low-latency, interactive voice synthesis.
- Adapt models for new conditioning inputs (emotion, speed, prosody, speaker control, etc.).
- Implement post-training optimization techniques (quantization, pruning, distillation) to improve efficiency and latency in real-time speech generation.
- Integrate and test novel architectures, such as neural codecs, diffusion, or flow-matching models, to enhance realism and responsiveness.
- Contribute to defining new evaluation metrics for conversational speech, including latency-aware and online MOS prediction systems.
Qualifications
Preferred Qualifications
- Experience with real-time or streaming architectures is a big plus.
- Familiarity with state-of-the-art architectures in audio and speech generation (e.g., diffusion models, neural codecs, flow-matching models, autoregressive decoders).
- Experience with speech-to-speech or text-to-speech (TTS) systems.
- Evidence of original research contributions, such as publications or open-source work in top-tier venues (e.g., ICASSP, Interspeech, NeurIPS, ICML).
Skills & Technologies
PyTorchDeep Learning
About the Company
Synthesia
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Job Details
Employment Type
Full Time
Experience Level
Senior
Salary Range
$190,000 – $270,000
Location
US
Work Mode
Remote
Posted
Today
Country
US