OLX - Junior Data Scientist
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Requirements
• At least 1 year of professional experience as a Data Scientist • At least some knowledge of Generative AI and LLMs (e.g., foundations like Transformer-based architectures, embeddings, etc.) • Good knowledge of the best engineering practices • Experience with serving machine learning models at scale • Strong engineering background: excellent knowledge of Python and SQL • Experience in using machine learning frameworks in production settings: Scikit-Learn, Pytorch (or similar) • Experience using cloud-based architectures for deploying machine learning solutions • Proficient in English with excellent written and oral communication skills • Exposure to other programming languages in the past, such as Kotlin, Java, Scala, etc • Experience bringing models into production and serving models at scale • Experience using AWS for deploying machine learning solutions • Experience with building data pipelines using tools like Spark and Airflow • Exposure to 3D and/or video editing • Understanding of A/B testing and experimentation • Exposure to MLOps tools
Responsibilities
• Work in the Data Science team, focusing on LLMs and GenAI, from a platform and marketplace perspective. • You will build models, tinker around them to make them work, test them, and eventually deploy them to production. You will see your stuff in action and you will be able to measure the true impact of your models (less expected, yet a requirement) • You will maintain strong relationships with stakeholders. This means asking a lot of questions to business people, and translating their requirements into achievable projects. It also means collaborating with other teams, like infrastructure and data engineering to get things done in an elegant and timely manner. • Partner with Engineering and Product to deliver solutions (customer-facing and platforms) to our customers (internal and end customers) • Work with Product Analytics to track the KPIs of different ML use cases and measure the impact on our customers. • Partner with the Experimentation team to integrate the KPIs and their proxies into the Experimentation (A/B testing) platform. • You will work in multi-functional teams, in a diverse, multinational environment, filled with people from Portugal, Bulgaria, Romania, Poland, Ukraine, Kazakhstan, and Uzbekistan. • Most importantly you will have fun working with us :)
Benefits
• Permanent contract • Work with and impact all OLX services in Europe • Train and conference budget and free access to Udemy courses • Health insurance • MacBook Pro, along with the necessary accessories to make your work comfortable • 100% remote work (and the possibility to work from our office in Barcelona) • Diversity, Equity and Inclusion at OLX • OLX values diversity and welcomes applicants of all races, ethnicities, disabilities, ages, genders, sexual orientations, religions, backgrounds, and experiences to apply. If this role excites you, we encourage you to apply, even if you don’t meet all the requirements - you may be just the right fit for this or other opportunities with us! • OLX will process your personal data to assess your fit for the applied position. You may optionally consent to store your data for up to 12 months after the application process for consideration in future OLX roles. For more details on how your application data will be processed please check our Privacy Statement.
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