Global Data ML Engineer for Multilingual Speech & AI

Cartesia; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Lunch, dinner and snacks at the office

Fully covered medical, dental, and vision insurance

401(k)

Relocation and immigration support

Unique office culture

Job summary

A leading technology company in San Francisco is seeking a Machine Learning Engineer to ensure the quality and coverage of data across diverse languages. You will design large-scale datasets, evaluate models, and implement quality control systems. The ideal candidate has expertise in multilingual datasets and a strong background in applied ML. This full-time role offers competitive benefits, including fully covered insurance and in-office perks, in a supportive team environment.

Qualifications

• Experience building or working with large multilingual datasets.
• Experience with generative models (speech, text, or multimodal).
• Strong applied ML background with a focus on data‑centric approaches.

Responsibilities

• Design and build large‑scale datasets for model training.
• Build evaluations of speech models via manual annotation and automated metrics.
• Implement techniques for steering data generation to improve model intelligence.

Skills

Large multilingual datasets

Generative models

Data-centric approaches

Human annotation guidance

Job description

A leading technology company in San Francisco is seeking a Machine Learning Engineer to ensure the quality and coverage of data across diverse languages. You will design large-scale datasets, evaluate models, and implement quality control systems. The ideal candidate has expertise in multilingual datasets and a strong background in applied ML. This full-time role offers competitive benefits, including fully covered insurance and in-office perks, in a supportive team environment.