Senior Data Scientist - Optimization & Logistics (Hybrid)

zooplus; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid working

20 days abroad

Career development

Wellbeing offers

Transport or bike leasing

Employee discount 20%

Job summary

zooplus is seeking a Senior Data Scientist in Linear and Mixed Integer Optimization to join the Resource Planning Team and enhance outbound logistics optimization for a growing network processing 1,000,000+ parcels weekly.

You will design, develop and maintain optimization models, analyze data, run simulations, and present actionable insights to stakeholders across engineering, product, and operations, while contributing to the full SDLC in a mature Agile environment.

Qualifications

• BS in Computer Science, Applied Mathematics, or another related field.
• 5+ years of hands-on experience solving linear optimization and mixed-integer problems.
• 2+ years of experience with commercial solvers (preferably Gurobi) for building and solving optimization models.
• Strong knowledge of advanced mathematical modeling techniques and experience with simulations.
• Proficiency in Python and scientific computing libraries such as Pandas, NumPy, and SciPy.
• Knowledge of relational databases and query authoring (SQL).
• Practical experience working with relational databases and writing SQL queries.
• Strong communication skills and the ability to explain complex technical concepts to non-technical stakeholders.
• Experience with Forecasting algorithms will be a plus; willingness to learn is equally valued.
• Team player with “can do” attitude
• Proactive in learning new skills and technologies, confident in challenging status quo to drive continuous improvement

Responsibilities

• Design, develop and maintain linear optimization and mixed integer models and integrate them in production
• Analyze data, run simulations, and present actionable insights to stakeholders across engineering, product, and operations.
• Contribute to the full SDLC; from ideation and prototyping to deployment, monitoring, and continuous improvement
• Ensure quality and performance of developed solutions through testing, validation, and monitoring in production.

Skills

Python

SQL

Linear optimization

Mixed-integer optimization

Forecasting

Communication

Team player

Education

BS in Computer Science or Applied Mathematics

Tools

Gurobi

Oracle

PostgreSQL

Terraform

Jenkins

Docker

Kubernetes

Grafana

Kibana

AWS

Job description

zooplus is seeking a Senior Data Scientist in Linear and Mixed Integer Optimization to join the Resource Planning Team and enhance outbound logistics optimization for a growing network processing 1,000,000+ parcels weekly.

You will design, develop and maintain optimization models, analyze data, run simulations, and present actionable insights to stakeholders across engineering, product, and operations, while contributing to the full SDLC in a mature Agile environment.