[Hiring] Search & ML Data Scientist @wynwood tech

Role Description

We are currently looking for multiple Search & ML Data Scientists for one of the leading retail companies in Europe. The position is 100% remote and long-term.

• Freelancing/Contracting
• Start: ASAP
• 100% remote
• Duration: long-term 12+ months
• Capacity: full-time, part-time also possible
• Language: English
• Central European Time

Requirements

• Experience with Python and SQL, including hands-on work with large-scale behavioral and transactional data.
• Experience in search, recommendations, ranking, personalization, or information retrieval.
• Experience across the full ML lifecycle, including data preprocessing, feature engineering, model training, validation, and monitoring in production.
• Understanding of relevance and ranking metrics such as NDCG, MRR, Recall, and Precision, and how they relate to online business metrics.
• Experience designing and analyzing A/B tests for ranking systems; cloud-based ML platforms (ideally GCP with BigQuery and Vertex AI), vector search, and query understanding are a plus.

Qualifications

• Please include a self-assessment (0-10, 10 = expert level) in the following areas:
• Python
• SQL & BigQuery
• Vector Search & Databases
• Search Engines
• Query Understanding & NLP
• Ranking & Recommendation Architectures
• Production Model Serving
• MLOps & Pipelines
• Offline IR Evaluation
• Online A/B Testing for ML Models
• Experience in Search & Recommender Systems projects