Machine Learning / Data Engineer — English & Spanish

We are an early-stage startup looking for a mid-level Machine Learning / Data Engineer with 3–5 years of experience. You will help build our data and ML systems from the ground up, from reliable data pipelines to production-ready models. Responsibilities * Build and maintain data ingestion and transformation pipelines. * Develop, deploy, and monitor machine learning models. * Clean and organise messy data from different sources. * Translate business needs into practical data or ML solutions. * Document systems, processes, and technical decisions. * Work independently and collaborate in English and Spanish. Requirements * Strong Python, pandas, NumPy, and scikit-learn skills. * Experience with PyTorch or TensorFlow. * Advanced SQL knowledge. * Experience with Airflow, Prefect, Dagster, or similar tools. * Knowledge of at least one cloud platform. * Fluent spoken and written English and Spanish. Experience with Spark, dbt, Docker, MLOps, LLMs, or an early-stage startup is helpful but not required. To apply, send your CV and a short description of something you built, including the problem, your contribution, the tools used, and the result. GitHub or portfolio links are welcome. Every applicant will receive a response.