Applied ML Engineer (Speech/ASR/LLMs) - Senior (Brazil / Argentina)

About the role

We're looking for an Applied ML Engineer to lead the development and operationalization of machine learning models powering real-world AI products.

The primary focus of the role will be building and improving speech-to-text (ASR) systems for medical conversations in Brazilian Portuguese and Latin American Spanish, while also contributing to LLM fine-tuning, clinical classifiers, and production ML infrastructure.

This is a highly hands-on role focused on taking models from experimentation to production.

What you’ll do

- Design, train, fine-tune, and deploy ML models for speech and language applications
- Build and maintain training pipelines and evaluation frameworks
- Work on ASR systems for domain-specific medical conversations
- Develop and improve data pipelines and ML infrastructure
- Collaborate on LLM fine-tuning and classifier development
- Optimize model performance, reliability, and scalability
- Partner with product and domain teams to translate business needs into ML solutions
- Contribute to production deployment and monitoring of ML systems

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