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Data Scientist - Fraud Spain Jobs

8 Job Offers

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Senior Data Scientist
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Join our Trust & Safety mission in Barcelona as a Senior Data Scientist. You will build and deploy production ML models (XGBoost, Neural Networks) to detect fraud and assess user risk. Leverage your 5+ years of Python and ML expertise on a cross-functional team. Enjoy a competitive salary, annual...
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Spain , Barcelona
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Adevinta
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Senior Data Scientist
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Join our team in Barcelona as a Senior Data Scientist. You will design and build end-to-end ML models using Python, PyTorch, and AWS to enhance platform safety. Apply your expertise in GenAI, NLP, and Computer Vision within an Agile environment. Enjoy a competitive salary, annual bonus, and flexi...
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Spain , Barcelona
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Adevinta
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Senior Data Scientist
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Join Fever as a Senior Data Scientist in Madrid or Barcelona. Apply your advanced ML and statistical expertise to solve complex business problems from ideation to production. Enjoy a hybrid model, stock options, and a real impact in a fast-paced, global leader.
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Spain , Madrid; Barcelona
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Fever
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Senior Data Scientist - MKT Optimisation
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Seeking a Senior Data Scientist to optimize marketing efforts in Madrid or Barcelona. You will develop attribution and marketing mix models, leveraging your expertise in statistics, ML, and web analytics. This hybrid role offers a competitive package with stock options and significant impact at a...
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Spain , Madrid;Barcelona
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Fever
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Senior Data Scientist
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Join Fever as a Senior Data Scientist in Spain. Develop and deploy ML models for demand forecasting and price optimization in a dynamic marketplace. Leverage your expertise in statistics, econometrics, and Python tools to drive data-driven decisions. Enjoy a hybrid model, stock options, and a vib...
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Spain
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Fever
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Staff Data Scientist
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Lead data science initiatives with company-wide impact at Heetch's Barcelona hub. As a Staff Data Scientist, you'll apply advanced analytics, experimentation, and ML to shape marketplace strategy and mentor a growing team. We seek a technical leader with 7+ years' experience, skilled in Python, S...
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Spain , Barcelona
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Heetch
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Lead Data Scientist
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Lead Data Scientist role in Madrid, offering a hybrid model. Own strategic projects in personalization and optimization, leading a small team. Requires strong Python, SQL, and ML skills, plus leadership experience. Benefits include stock options, performance bonus, and health insurance.
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Spain , Madrid
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Fever
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Data Analyst & Scientist
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Join Amaris Consulting as a Data Analyst & Scientist in Cerdanyola Del Vallès. Leverage your 3+ years of experience, advanced SQL, Python, and cloud platforms (Snowflake/BigQuery) to drive eCommerce insights. Enjoy fast career growth, a personalized development budget, and flexible remote work op...
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Spain , Cerdanyola Del Vallès
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Amaris Consulting
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Explore Data Scientist - Fraud jobs and discover a critical and dynamic career at the intersection of data science, machine learning, and financial security. Data Scientists specializing in fraud are the frontline defenders for organizations, leveraging advanced analytics to detect, prevent, and mitigate fraudulent activities in real-time. This profession is essential across industries like banking, fintech, e-commerce, insurance, and digital payments, where protecting assets and customer trust is paramount. Professionals in these roles apply their expertise to outsmart increasingly sophisticated fraudsters, making this field both challenging and highly impactful. A Data Scientist in fraud typically engages in a full lifecycle of analytical work. Core responsibilities involve ingesting and analyzing massive volumes of transactional and behavioral data to identify anomalous patterns indicative of fraud. This includes developing, training, and deploying machine learning models for classification, anomaly detection, and network analysis. Common tasks are feature engineering from complex datasets, building real-time scoring systems, and continuously monitoring model performance to reduce false positives and adapt to emerging fraud tactics. These scientists also collaborate closely with fraud analysts, engineers, and business stakeholders to translate model insights into actionable rules and operational procedures, ensuring a robust defense system. Typical skills and requirements for these positions are both technical and strategic. A strong educational background in data science, statistics, computer science, or a related quantitative field is standard, with many roles preferring advanced degrees. Proficiency in Python or R is essential, alongside deep experience with ML libraries like scikit-learn, TensorFlow, PyTorch, and XGBoost. Expertise in SQL for data manipulation and a solid understanding of big data technologies (Spark, Hadoop) and cloud platforms (AWS, GCP, Azure) for deploying scalable solutions are commonly required. Beyond technical prowess, successful candidates possess a keen analytical mindset, a deep understanding of fraud typologies, and the ability to communicate complex findings to non-technical audiences. The landscape of Data Scientist - Fraud jobs is evolving rapidly, offering professionals the chance to work on cutting-edge problems in AI and machine learning while providing tangible value by safeguarding financial systems and consumer data.

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