Sr. Principal TTS Researcher
Cerence Inc.Ulm, Baden-Württemberg, Germany
Posted November 26, 2025
Full Time
About the Company
Cerence AI (NASDAQ: CRNC) is a global industry leader in creating intuitive, seamless, AI-powered experiences across automotive and transportation. Leveraging decades of innovation and expertise in voice, generative AI, and large language models, Cerence AI powers integrated experiences that create safer, more connected, and more enjoyable journeys for drivers and passengers alike. With more than 525 million cars shipped with Cerence AI technology, the company partners with leading automakers, transportation OEMs, and technology companies to advance the next generation of user experiences. Cerence AI is headquartered in Burlington, Massachusetts, with operations globally and a worldwide team dedicated to pushing the boundaries of AI innovation. For more information, visit www.cerence.ai.
Job Description
A Moving Experience. Join Cerence's passionate, dedicated, global team and be a part of meaningful innovation in a rapidly growing industry.
Requirements
- 8+ years of hands-on experience in TTS system development with deep expertise in both frontend and backend components
- Proficiency in C/C++ and Python, with mastery of ML frameworks (PyTorch, TensorFlow, etc)
- Strong background in NLP techniques and/or speech signal processing
- Familiarity with transformer-based language models for prosody prediction
- Deep understanding of autoregressive / non-autoregressive acoustic models and neural vocoders
- Experience optimizing models via quantization, pruning, or knowledge distillation
- Knowledge of speech codecs (e.g., Opus, MELP) and real-time streaming protocols
- Production experience with ONNX Runtime, TensorRT, or TorchScript, etc
- Experience with zero-shot/one-shot/few-shot voice cloning or emotional TTS systems
- Skilled GPU/TPU cluster and grid user
- Fluent English