Senior Data Scientist - Operations Research - Lisbon, Portugal

Senior Data Scientist - Operations Research - Lisbon, Portugal

About Us
At Kats Recruitment, we connect highly skilled data-science professionals with leading international employers across Europe. Our client in Lisbon is an innovative global mobility-tech company where data, optimisation and advanced analytics drive strategic decisions. This is a fantastic opportunity for a passionate data scientist to make a measurable impact through mathematical modelling and operational optimisation.

About the Role
You will design and implement advanced mathematical and algorithmic models that optimise business processes in pricing, logistics, workforce planning and forecasting. Using operations research techniques such as linear, non-linear and integer programming, stochastic modelling and simulation youll develop scalable data-driven solutions to complex operational problems. Youll work closely with cross-functional teams to ensure your models deliver measurable results and align with strategic objectives.

Requirements

• Masters degree or PhD in Operations Research, Applied Mathematics, Statistics, Computer Science, or another quantitative discipline.
• Minimum 5 years of experience in data science or operations research roles, ideally in mobility, travel, logistics or similar industries.
• Deep expertise in mathematical optimisation (linear/non-linear/integer programming) and solver technologies (e.g., Gurobi, CPLEX).
• Solid experience in forecasting, time-series analysis and machine-learning-based optimisation.
• Proficiency in Python (and/or R) and SQL, with experience in developing production-ready solutions.
• Excellent communication skills with the ability to translate analytical findings into actionable business insights.

• Team-player mindset with strong analytical and problem-solving skills.

• EU citizenship or a valid EU work permit for Portugal is mandatory.

What We Offer

• Competitive compensation package with performance-based bonuses.

• Flexible hybrid working model in a modern Lisbon office.

• Generous annual leave, professional development budget and continuous learning opportunities.

• Private health insurance and well-being benefits.

• Inclusive, international team environment where your contributions directly influence strategy and outcomes.

Join Us!
If youre ready to use your operations-research and data-science expertise to tackle real-world challenges in a dynamic global setting, wed love to hear from you. Apply today and let Kats Recruitment support your next career step in data innovation.