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Machine Learning Engineer – Founding Team | Stealth AI Startup (Audio + Generative Models)
Location: London (Hybrid) | Full-time | Competitive Salary + Equity
A well-funded, early-stage startup backed by top-tier investors is seeking an ambitious Machine Learning Engineer to join as their first full-time ML hire.
As a core member of the founding team, you’ll generative voice and speech-to-speech models and your work will directly shape the company’s core products and have a real impact on users.
The ideal candidate is a builder at heart—someone who’s either been a founder or has shipped impressive side projects—and is excited to work in a fast-paced, high-performance environment.
What You’ll Do
* Design and implement cost-efficient, high-performance infrastructure for storing and transforming massive audio datasets.
* Apply ML audio and DSP techniques to clean, segment, and filter speech data.
* Manage large-scale cloud data storage with a deep understanding of cost-performance tradeoffs.
* Build scalable ML training pipelines in PyTorch using large datasets.
* Contribute to research and development of generative voice and speech-to-speech models.
* Prototype and implement novel ML/statistical approaches to enhance product capabilities.
* Develop robust testing pipelines to evaluate model performance on audio data.
What We’re Looking For
* PhD in a relevant field (e.g., Deep Generative Models, TTS, ASR, NLU), or equivalent industry experience.
* Deep expertise in voice conversion, generative models, deep learning, or statistical modeling.
* Strong hands-on experience with ML frameworks (PyTorch, TensorFlow, Keras).
* Proficiency in Python and C/C++.
* Experience with scalable data tools (e.g., PySpark, Kubernetes, Databricks, Apache Arrow).
* Proven ability to manage GPU-intensive data processing jobs.
* 4+ years of applied research or industry experience.
* Creative problem-solver with a bias for action and a passion for building world-class products.
* Extensive experience in applied research, especially in voice conversion, speech synthesis, or NLP.
* PhD specialization in voice or speech-related ML fields.
* A track record of thought leadership through publications, open-source contributions, or patents.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Information Technology and Research
* Industries
Software Development and Technology, Information and Media
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