Senior/ Lead Data Science Engineer

Data

Zabłocie 43B, Kraków

N-iX

6 400 - 7 700USD

Net per month - B2B

Full-time

B2B

Senior

Remote

Tech stack

English

B2

Python

master

Machine Learning

master

SQL

advanced

Job description

We are looking for a Data Scientist with a strong analytical mindset and a passion for solving real-world supply chain problems. You will join a cross-functional team focused on optimizing the flow of units from warehouses to stores. This is a high-impact role where your insights and models will directly influence key business operations.

Responsibilities:

• Prepare and clean datasets to enable reliable experimentation
• Develop and fine-tune machine learning models and algorithms
• Test models, analyze outcomes, and generate actionable insights
• Communicate findings to stakeholders through reports and visualizations
• Propose data-driven solutions and optimization strategies

Requirements:

• Proficiency in Python and/or R
• Experience with SQL
• Data Platforms & Tools
• Hands-on experience with Azure Databricks or Snowflake
• Familiarity with building and deploying machine learning pipelines is a strong advantage
• Java experience is a plus
• Education - Bachelor's or Master's degree in Computer Science, Mathematics, Engineering, or a related field

Mathematics & Statistics:

• Solid understanding of multivariable calculus and linear algebra
• Applied knowledge of statistical distributions and hypothesis testing
• Machine Learning
• Practical knowledge of ML techniques: kNN, decision forests, regressions, MLE, time series
• Understanding of model evaluation metrics and performance tuning
• Data Handling & Visualization
• Skilled in managing missing or inconsistent data
• Experience with tools like matplotlib, seaborn, or ggplot2

Nice to Have:

• Experience with deploying ML models into production environments
• Previous work in supply chain or logistics domains

Published: 16.08.2025

Meet the company

N-iX

N-iX is a global software development service company that helps businesses across the globe create mind-blowing software products. Founded in 2002, today we’re a team of 2,200+ tech-savvy professionals working on innovative projects for global industry leaders and Fortune 500 companies.

Company profile

Office location