Data Scientist - Forecasting & Customer Analytics

Lingarogroup; Poland; On-site; PLN 150,000 - 210,000; Full time

Job summary

Lingarogroup seeks a data scientist to drive end-to-end ML forecasting and customer analytics projects. You will partner with business stakeholders to translate problems into technical goals, develop models, and support deployment in production environments.

The role emphasizes data exploration, feature engineering, and rigorous evaluation, with opportunities for pre-sales involvement and collaboration across data/AI teams. A strong Python and cloud background is required.

Qualifications

• Commercial experience with classical DS/ML models (decision trees, ensemble models, linear regression).
• Solid knowledge of customer analytics concepts or advanced forecasting.
• Model hyperparameter tuning.
• Model validation frameworks.
• Experience translating business requirements into technical plans, data processing and feature engineering.
• Previous analytical experience supporting business is a plus.
• Fluency in Python, basic SQL.
• Knowledge of DS/ML libraries.
• Solid experience with one cloud platform (Databricks or GCP or Azure).

Responsibilities

• Work on end-to-end classification and forecasting use cases: framing, data prep, model development, evaluation, and deployment support.
• Explore and clean data; perform EDA to understand and flag data quality issues.
• Engineer features for tabular and time-series data.
• Train, validate, and tune standard ML models (logistic regression, trees, boosting, simple NN).
• Evaluate models with metrics impacting business KPIs.
• Build visualizations and reports to present results to stakeholders.
• Collaborate with data/AI engineers to bring models into production (batch scoring, APIs, dashboards).
• Document data sources, modeling assumptions, and experiments in notebooks or wikis.
• Translate business problems into technical goals and align stakeholder expectations.
• Pre-sales activities at senior consultant level.

Skills

Python

SQL

ML modeling

Feature engineering

Model evaluation

Data visualization

Cross-functional collaboration

Pre-sales

Big data

OOP in Python

Education

Bachelor's in CS/Data Science/Math

Tools

Databricks

GCP

Azure

scikit-learn

Pandas

TensorFlow

Job description

Lingarogroup seeks a data scientist to drive end-to-end ML forecasting and customer analytics projects. You will partner with business stakeholders to translate problems into technical goals, develop models, and support deployment in production environments.

The role emphasizes data exploration, feature engineering, and rigorous evaluation, with opportunities for pre-sales involvement and collaboration across data/AI teams. A strong Python and cloud background is required.