Machine Learning Engineer - Voice Conversion
CantinaDigital Transformation company
Remote€170,000 - €190,000Senior
Data & AI
About the role
TL;DR
Build state-of-the-art speech systems end-to-end for voice conversion and related tasks.
- •Cantina is a new social platform founded by Sean Parker with the most advanced AI character creator.
- •Our bots are lifelike, social creatures that can interact wherever people are online—across voice, video, and text.
- •Key Responsibilities Architect, implement, pre-train, fine-tune, and post-train/alignment for large-scale speech models.
- •Design, run, and analyze scientific experiments to advance our understanding of the models.
- •Develop and improve dev tooling to enhance team productivity.
- •Contribute to the entire stack, from low-level optimizations to high-level model design.
- •Define data requirements and collaborate on acquisition, curation, augmentation, labeling quality, and synthetic data strategies.
- •Requirements Exceptional research/development experience with large-scale audio models (>8B parameters, >500k hours of data).
- •Deep hands-on experience with diffusion and/or flow-matching transformers.
- •Strong experience with multi-node, multi-GPU distributed training (FSDP/DeepSpeed or equivalent).
- •Strong software engineering skills with a proven track record of building complex systems.
- •Shipped large-scale speech/audio or multimodal generative models to production.
Required skills
PythonPyTorchTensorFlowscikit-learnHugging FaceAWSGoogle CloudAzureDockerKubernetesGitLinuxREST APIgRPC
Nice-to-have skills
Computer VisionNLPLLMs
Domain expertise
ai
Benefits & perks
Competitive salary and generous company equity, Medical, dental, and vision insurance – 99.99% of premiums covered by Cantina, 42 days of paid time off, Generous parental leave & fertility support, 401(k) retirement savings plan, Lifestyle spending account – $500/month to use however you’d like, Complimentary lunch and snacks for in-office employees, One Medical membership
Tech stack
PythonPyTorchTensorFlowscikit-learnHugging FaceAWSGoogle CloudAzureDockerKubernetesGitLinuxREST APIgRPC