Senior Data Scientist – Optimization & Production ML (Remote + Lisbon weekly)

Shakers; Lisboa; Híbrido; EUR 90 000 - 130 000; Tempo integral

Resumo da oferta

Shakers is seeking a Senior Data Scientist for a freelance project based in Lisbon. You will build optimization and simulation models for fleet steering and purchasing, translating business goals into mathematical formulations and delivering production-ready solutions with collaboration across business, engineering, and product teams.

You will deploy and monitor ML or optimization systems, integrate with Java-based production pipelines, and explain model decisions to stakeholders while

Qualificações

• 5+ years in data science / operations research
• Strong mathematical optimization: LP, NLP, integer, dynamic and stochastic programming
• Expert Python for modeling and production-grade deployment
• Hands-on Java experience (17+, 21-25)
• Proven end-to-end deployment/monitoring of ML or optimization systems in production
• Exceptional English
• Able to be on-site in Lisbon once a week

Responsabilidades

• Designing and iterating optimization/simulation models for fleet steering and purchasing
• Turning business requirements into mathematical formulations (LP, NLP, integer, dynamic/stochastic programming)
• Taking models into production — deployment, monitoring, ongoing maintenance
• Integrating with existing production systems (Java 17+/21-25)
• Explaining model decisions to stakeholders
• Using agentic AI tooling to speed up development

Conhecimentos

Data science

Operations research

Optimization

Python

Java

English

On-site Lisbon

Ferramentas

Python

Java

Descrição da oferta de emprego

Shakers is seeking a Senior Data Scientist for a freelance project based in Lisbon. You will build optimization and simulation models for fleet steering and purchasing, translating business goals into mathematical formulations and delivering production-ready solutions with collaboration across business, engineering, and product teams.

You will deploy and monitor ML or optimization systems, integrate with Java-based production pipelines, and explain model decisions to stakeholders while