Mercado Libre

Machine Learning Engineer

Mercado Libre

What You'll Do

Iterate and optimize multimodal prompts for real-time review of clips and lives, ensuring a balance between recall and precision. Design and maintain AI judges to automatically evaluate the quality of visual content. Manage the prompt lifecycle as code through versioning, A/B testing, gradual rollout, and rollback without interrupting production.

What We're Looking For

Experience in Data Science or Machine Learning with at least one end-to-end production project. Proficiency in prompt engineering for multimodal models, including evaluation and systematic optimization strategies. Advanced knowledge of Python for ML with frameworks like HuggingFace Transformers, PyTorch, and scikit-learn.

What We Offer

Hybrid work modality. Opportunity to leave a mark on technology in Latin America.

Additional Information

Experience Level

Mid-Level

Job Language

Spanish

Employment Type

Full-time

Work Mode

Hybrid