Senior Demand Forecasting Scientist — Global Food Systems

HelloFresh; Warszawa; On-site; PLN 180,000 - 320,000; Full time

Benefits offered by this job

Workspace at Warsaw centre

Job summary

HelloFresh Warsaw, within HelloTech, seeks a Senior Data Scientist for Demand Forecasting. You will design and implement time-series and causal models, collaborating with forecasting scientists and ML engineers to productionize models.

You’ll apply GenAI tools, manage data pipelines, and mentor teammates in a fast-paced, multinational setting. You will work across cloud-based environments and modern tech stacks, shaping data-driven decisions for global supply chain optimization and forecasting

Qualifications

• Bachelor's/Master's/PhD in econometrics, statistics, CS or related fields.
• 3+ years as a data scientist in demand forecasting with time-series and causal models.
• Proficiency with GenAI tooling to boost productivity and supervised development flow.
• Fluent Python and scientific stack (NumPy, Pandas, Scikit-learn).
• SQL for data retrieval and analysis of large, heterogeneous datasets.
• Experience deploying ML workloads in cloud environments (AWS/GCP/Azure).
• Ability to collaborate with cross-functional teams and stakeholders.

Responsibilities

• Lead demand forecasting time-series and causal models for global markets.
• Own models from data collection through production deployment.
• Collaborate with forecasting scientists and ML engineers to deliver production-ready solutions.
• Experiment and refine approaches to improve forecast accuracy.
• Work with AWS, Kafka, PySpark, Airflow, and Databricks for the ML lifecycle.
• Partner with product, demand planning, and engineering to translate business goals into data strategies.
• Mentor junior data scientists and foster knowledge sharing.

Skills

Python

GenAI tooling

SQL

Databricks/PySpark

Statistics/Time series

Cloud platforms

Cross-functional teamwork

Supply chain knowledge

Mentoring

Education

Bachelor's/Master's/PhD in econometrics, statistics, CS or related fields

Tools

Claude Code

Cursor

Databricks

Job description

HelloFresh Warsaw, within HelloTech, seeks a Senior Data Scientist for Demand Forecasting. You will design and implement time-series and causal models, collaborating with forecasting scientists and ML engineers to productionize models.

You’ll apply GenAI tools, manage data pipelines, and mentor teammates in a fast-paced, multinational setting. You will work across cloud-based environments and modern tech stacks, shaping data-driven decisions for global supply chain optimization and forecasting