Job description:
**Job description: Data Scientist – Optimization Models**
We’re looking for a highly skilled Data Scientist with exceptional programming abilities to contribute to the development and enhancement of optimization models ( Mixed Integer Linear Programming,...). You’ll own the full ML lifecycle, from data exploration and model development to deployment and monitoring, delivering scalable, production-grade solutions that create real customer impact.
**Responsibilities**
Design, develop, and maintain existing optimization models.
Refactor and improve underlying code for clarity, scalability, and maintainability.
Improve performance and reliability of the production systems.
Collaborate with Data Scientists, ML Engineers, and Product Managers to deliver impactful features.
Apply MLOps best practices for deployment, monitoring, and maintenance.
Perform ad-hoc data analysis and visualization to support decision-making.
**Required Skills**
Exceptional Python programming skills—you write clean, efficient, and production-ready code.
Proven experience in developing and deploying optimization models in industrial settings.
Strong hands-on experience with optimization models including MILP solvers (using OR-Tools, Gurobi, or similar.)
Strong SQL skills for data manipulation and analysis.
Solid understanding of MLOps and CI/CD pipelines, preferably in GCP (Vertex AI).
Proficiency with Git and version control workflows.
Experience building and maintaining REST APIs.
Familiarity with DBT for data transformation.
Comfortable working in Agile, cross-functional teams.
Strong collaboration skills and ability to work effectively in complex, ambiguous problem domain.
**Required cloud certification:** No
**Period from:** 2025-10-20
**Period to:** 2026-04-30
**Workload:** 100%
Please apply directly through our system with:
- Your updated CV in English
- Hourly rate (incl. overheads)
- Information about when you are available to start the assignment
- In the motivation, describe why you are suitable for this assignment
- refer to previous consulting assignments, employment, education and personal qualities.
**Good to know:**
For this client, the first 02 days are free of charge, except if you have previous experience at H&M.
_Please note! We offer continuously. That means that we sometimes remove the assignments before deadline. If you are interested we recommend that you apply immediately._