Founding Machine Learning Engineer

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Founding Machine Learning Engineer, london (city of london)

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Client:

Opus Recruitment Solutions
Location:

london (city of london), United Kingdom
Job Category:

Other
-
EU work permit required:

Yes
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Job Views:

3
Posted:

16.06.2025
Expiry Date:

31.07.2025
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Job Description:

? 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.
? Bonus Points
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.

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