CAF
CAF

Data Scientist - Optimization Focus (Internship)

Madrid, Spain·Competitive·Hybrid·Entry

Added 2 days ago

Need a visa?No sponsorship mentioned here. Browse visa jobs.

About the role

Job Title: Data Scientist (Internship)

Are you interested in growing as a professional, actively participating in project decisions, and doing so alongside an experienced team in a close-knit, collaborative work environment? This is your opportunity!

If you want to work toward a more sustainable world that is responsible with its environment, at CAF Digital Services we believe in and work on sustainable mobility, one of the main challenges facing society today. At CAF Digital Services, we improve train availability and passenger well-being through data analytics and digitalization. We work with the most innovative maintenance and operations technologies to maximize the quality of train service.

What you'll get

Positive Work Environment: You will be part of a highly qualified team surrounded by people with a strong collaborative spirit, where you will find a welcoming and very pleasant atmosphere.

Work-Life Balance: Our hybrid model will allow you to perfectly balance your family life and your professional life.

Learning and Autonomy: We will encourage you to work independently, with the support of our training, on a highly technological product and in an international market.

Security and Stability: CAF has been working for more than 100 years on a path that extends into the future, providing you with the security you need.

About the company & team

Your mission will be to participate in the design and development of mathematical optimization projects, helping to improve processes, costs, and operational times.

You will be part of the technical team at LeadMind, collaborating on the implementation of intelligent tools based on optimization and data analysis. You will work alongside technical, operational, and leadership teams to identify improvement opportunities and turn real business needs into effective computational solutions.

What will make you succeed in this position?

  • Knowledge and interest in mathematical and computational optimization: linear and integer programming, and familiarity with metaheuristics such as Simulated Annealing, Genetic Algorithms, or Tabu Search.
  • Operations Research: having studied modeling of discrete optimization problems, routing, planning, scheduling, or assignment.
  • Programming: proficiency in Python and its ecosystem, with an interest in developing modules and classes aimed at solving optimization problems.
  • Scientific and rigorous mindset: ability to experiment, validate, compare configurations, tune parameters, and document results in a structured manner.
  • Proactive attitude and eagerness to learn: interest in working in a team, proposing improvements, and developing in a technical and dynamic environment. Knowledge of a second language is a plus.
  • Knowledge of the railway sector will be positively valued.

Position Responsibilities

  • Participate in modeling optimization problems based on business requirements, identifying variables, constraints, and objectives.
  • Collaborate on the design, development, and maintenance of optimization algorithms.
  • Implement solutions in Python applying good programming practices (modularization, basic testing, version control, and documentation).
  • Work with data, product, and operations teams to translate real needs into technical solutions with impact.
  • Document the work performed and the results obtained to facilitate reproducibility and learning within the team.
  • Stay up to date on relevant optimization techniques, tools, and libraries, with the support and guidance of the team.

So, if you are interested in working at a digital company to achieve a more sustainable world that is responsible with its environment, committed to equal opportunities and with an Equality Plan, don't hesitate and apply to this job offer now.

You'll most likely need Spanish to apply.This job was automatically translated to English, .

About the company

CAF

CAF

Rail Manufacturing

View company profile
Spanish company
14500 employees
Apply at CAF