Junior Data Scientist

Your main responsibilities will include

• 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 techniques such as 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.
  

What You’ll Need to Succeed

• 0–2 years of experience in Data Science, Analytics, or Machine Learning, including internships, research, or personal projects.

• Degree in Computer Science, Mathematics, Statistics, Engineering, or a related quantitative field, or equivalent practical experience.

• Strong Python and SQL skills, with a solid understanding of statistics, machine learning, and model evaluation.

• Hands-on experience building LLM-based agents or agentic workflows, including tool calling, structured outputs, or multi-step processes.

• Good software engineering practices, including Git, testing, and clean, reproducible code.

• Strong analytical thinking and data storytelling skills, with the ability to communicate insights to non-technical stakeholders.

• Curious, proactive, and eager to learn, with professional working proficiency in English.
  

Why Join Seedtag?

• A key moment of growth with real ownership and global impact.

• Flexible work model with 100% remote or hybrid options.
  (Remote contracts available in Spain, Italy, UK, Belgium, Netherlands, France, and Germany.)

• Continuous learning through a learning platform and optional language classes.

• A supportive, trust-based culture that values well-being.

• Team activities, offsites, and opportunities to connect beyond work.
  

Additional Perks

• Home office setup budget up to €1,000

• Paid trips to our HQ in Madrid

• MacBook Pro M3