Data Scientist

September 17, 2026

Hybrid

Middle

Barcelona, Spain

Description

A Data Scientist is sought for a leading company in the transport sector, to build advanced solutions based on analytics, statistical models and machine learning for various business units. The role involves working with large structured and unstructured datasets, developing predictive models and delivering actionable insights to business stakeholders. It is a permanent position based in Barcelona with 80% remote work and a salary range based on experience.

Responsibilities

Collect large volumes of structured and unstructured data from files, databases and APIs and transform them into an understandable format
Perform exploratory analysis to understand data nature and distribution, identify patterns and correlations and visualize them effectively
Develop and apply predictive, optimization and statistical models such as regression, classification, clustering and time series
Apply statistics and Machine Learning techniques to generate actionable insights for different business areas
Evaluate and validate model accuracy and performance using cross-validation, test sets and suitable performance metrics
Collaborate with the MLOps team to integrate developed models into a production environment
Work closely with data engineers, analysts, domain experts and business teams to understand project requirements and goals
Participate in requirement definition, translating business problems into use cases and analytical solutions
Communicate analyses, model results and implications to technical and non-technical stakeholders through reports, presentations and visualizations
Monitor model performance in production, perform periodic maintenance and update models to keep them valid and accurate

Requirements

Degree, Master's or PhD in Computer Science, Economics, Business Administration, Data Science or a related field
More than 2 years of experience in Data Science, including data storage, ETL processes and data integration
Advanced SQL knowledge, with mastery in writing and optimizing queries
Experience developing in AWS, Azure or Google Cloud environments
Deep knowledge of data modeling, data governance and data quality best practices
Ability to manipulate and preprocess large volumes of data using SQL, Pandas or Polars
Python scripting experience and familiarity with Python libraries and tools
Hands-on experience with Machine Learning and applied statistics, including regression, classification, clustering or time series
Experience gathering requirements, engaging with stakeholders and communicating analytical results to business profiles

Conditions

Permanent contract
Salary according to experience, between 48,000 and 54,000 euros gross per year
Flexible working hours
Training allowance for professional development in areas of interest
Private medical insurance
Flexible remuneration applicable to medical insurance, restaurant, transport, nursery and training
Access to gyms and sports activities across Spain with discounts
80% remote work with the remaining time on site in Barcelona

SQLPythonPandasPolarsAWSAzureGoogle CloudMachine LearningETLData Modelingtransportation & logisticsMatplotlibSeabornggplot2

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