Data Scientist - Central Query Understanding

Job description

Job Description: 14 200 - 20 200 PLN in gross terms In the Consumer domain, we create and maintain customer-facing applications that help millions of clients each day to complete their purchases. We are looking for a mid-level Data Scientist to join our team and help move our search engine beyond simple keyword matching toward a Domain-Aware Hybrid Search (integrating LLMs, Semantic Search, and Knowledge Graphs). In this role, you will be responsible for supporting the development of the Central Query Understanding mechanism and implementing Predictive & Assistive Discovery to reduce the "cost of search" through automated intent recognition. In your daily work, you will handle the following tasks: - Designing, developing, and deploying models that solve complex business problems, including predictive, segmentation, forecasting, and recommendation models. - Developing query-to-category and query-to-product matching models to enhance the search experience. - Building internal AI Engineering competence , including fine-tuning small, efficient models. - Taking an active part in all Data Science project phases : from problem formulation and data exploration to modeling, automation, rele...