Data Scientist / Machine Learning Engineer: Detection Team - Trust Domain

Data Scientist / Machine Learning Engineer: Detection Team - Trust Domain Amsterdam, Netherlands Data Science & Analytics Vinted Marketplace Vinted Marketplace is the largest online international C2C marketplace in Europe dedicated to second-hand fashion, with millions of registered members spanning 22 markets in Europe and North America. With a mission to make second-hand the first choice worldwide, Vinted enables people to sell and buy second-hand clothes and lifestyle items from each other, helping give those items a second or even third life.The Vinted Group, composed of Vinted Marketplace and Vinted Go, is headquartered in Vilnius, with workplaces in Germany, Lithuania, France, the United Kingdom, the Netherlands and over 2,000 employees.Information about the positionYou'll become part of Trust's Detection team, with a mission to protect the Vinted community from harmful activities and content. The Detection team in the Trust domain is engaged in detecting, understanding, and stopping dangerous or inappropriate content and behaviour within the Vinted Marketplace.You will leverage your expertise in machine learning to research, design, implement, and maintain our detection models. You will play a critical role in ensuring that our models are not only accurate but also efficient and scalable. This involves working closely with our engineering teams to develop robust pipelines for data handling, feature engineering, model training, deployment, and continuous improvement.As a Data Scientist, you will leverage raw user activity sequence data for feature engineering and model development to detect malicious use of our platform. Additionally, you will improve the pipelines of our current models and by establishing best practices and methodologies, you will play a crucial role in enhancing the domain's effectiveness and safeguarding Vinted.In this position, you'llResearch, design, implement, and maintain diverse machine learning models for the detection of harmful content and behavior within the Vinted Marketplace.Contribute to the foundational machine learning aspects, including data versioning, labeling pipelines, and ensuring high-quality data for model training.Collaborate with the Data Infrastructure team to build and maintain data pipelines, tools, and infrastructure necessary for efficient model training, monitoring, deployment, and iterative improvement.Together with backend engineers, you will ensure high performance and scalability of our deployed models.Work together with Decision Scientists to test and monitor new models.About youProven track record in data science (4+ years of experience), with a strong foundation in machine learning, statistics, or computational mathematics.Proficiency in working with gradient boosting, natural language processing (NLP), and deep learning models, including experience with the latest tools and methodologies.Deep understanding of model deployment, maintenance, monitoring, and scalability challenges for real-time ML models running in production.Demonstrated capability in working alongside engineering teams to design and implement efficient data ingestion, feature engineering, and model training pipelines.Excellent problem-solving abilities and a commitment to staying informed about the latest trends and advancements in machine learning and data science.Advantage: experience with using user sequence data for the development of ML models.Working at VintedThe Vinted Group is committed to building an inclusive workplace where people from all walks of life feel a sense of belonging. We welcome applications from people of all backgrounds, identities and life experiences. At Vinted, all applicants are treated fairly without regard to their race, age, religion or belief, sex, national origin, citizenship, gender identity, sexual orientation, disability, or any other protected characteristic.The salary range for this position is € 61,200 - € 82,800 gross per year.

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