Junior Data Scientist

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Junior Data Scientist role at Seedtag to build neuro-contextual advertising solutions globally. Responsibilities include building and maintaining data pipelines, developing analytical models, creating scalable data products with dbt, Trino, and Airflow, prototyping LLM-based agents, designing experiments, troubleshooting data quality issues, and communicating insights. Required skills: 0-2 years experience in Data Science or ML, degree in a quantitative field or equivalent, strong Python and SQL, experience with LLM agents, software engineering best practices, analytical thinking, and data storytelling. English proficiency required. Tech stack includes Python, SQL, pandas, NumPy, scikit-learn, dbt, Trino, Airflow, LLMs, AI agents, NLP, LangGraph, PydanticAI, MCP, OpenAI and Claude SDKs, GCP, BigQuery, Git, unit testing, and code review. Flexible work model with remote or hybrid options in multiple European countries. Benefits include learning opportunities, supportive culture, home office budget, paid trips to Madrid HQ, and MacBook Pro M3.