Junior Data Scientist: AI-Driven Insights & Pipelines

Seedtag; Madrid; Remote; EUR 32,000 - 42,000; Full time

Benefits offered by this job

Home office setup budget up to €1,000

Paid trips to our HQ in Madrid

MacBook Pro M3

Job summary

Seedtag is seeking a Junior Data Scientist to join our Insights team and transform contextual, audience, and campaign data into actionable insights using Liz, our AI.

You will build data pipelines, develop models, and turn analyses into scalable data products with dbt, Trino, and Airflow, while prototyping LLM-based agents. This role offers a flexible work model with remote or hybrid options and Madrid-based trips for collaboration.

Qualifications

• 0–2 years of experience in Data Science, Analytics, or ML
• Degree in Computer Science, Mathematics, Statistics, Engineering, or related quantitative field
• Strong Python and SQL skills with solid knowledge of statistics and ML
• Hands-on experience building LLM-based agents or agentic workflows
• Good software engineering practices including Git, testing, and clean, reproducible code
• Strong analytical thinking and data storytelling skills
• Working proficiency in English

Responsibilities

• Data Pipelines & Analytics: Build and maintain pipelines to analyse campaign performance, audience behaviour, and contextual data across the open web and CTV
• Analytical Models: Develop models for audience profiling, content analysis, campaign comparisons, and pre-campaign planning
• Data Products: Turn analyses into scalable data products using tools such as dbt, Trino, and Airflow, ensuring data quality and reliability
• AI Agents & Automation: Prototype LLM-based agents and workflows using embeddings, classification, clustering, and summarisation
• Experimentation & Evaluation: Design and evaluate experiments to ensure automated insights are accurate, reliable, and actionable
• Data Quality & Troubleshooting: Investigate data anomalies, identify root causes, and improve pipeline reliability
• Data Storytelling: Communicate findings through clear visualisations and actionable recommendations for Product, Sales, and clients

Skills

Python

SQL

Data storytelling

Statistics

Machine Learning

LLM-based agents

Git

Testing

Education

Degree in Computer Science, Mathematics, Statistics, Engineering, or related quantitative field

Tools

dbt

Trino

Airflow

LangGraph

PydanticAI

OpenAI/Claude SDKs

Git

Job description

Seedtag is seeking a Junior Data Scientist to join our Insights team and transform contextual, audience, and campaign data into actionable insights using Liz, our AI.

You will build data pipelines, develop models, and turn analyses into scalable data products with dbt, Trino, and Airflow, while prototyping LLM-based agents. This role offers a flexible work model with remote or hybrid options and Madrid-based trips for collaboration.