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Senior Data Scientist - Machine Learning

Portugal💼 Full-time🗓 2026-07-29 → 2026-09-25

Core

Build scalable, production-ready machine learning models and data products to enhance user experience, optimize workflows, and ensure platform safety for a global auction marketplace.

Role type

Senior Machine Learning Data Scientist (IC)

Builds

Scalable ML models, real-time and batch prediction services, and actionable business insights.

Domain

E-commerce / Auctions / Machine Learning

Deliverable

production ML models

Required skills

Python, SQL, Machine Learning, Advanced Statistics, Model Deployment, Cross-functional Collaboration

Preferred skills

PyTorch, TensorFlow, LightFM, Kubernetes, Docker, Google BigQuery, Spark, Airflow, Kafka, CI/CD

Technologies

Kubernetes, Google BigQuery, MySQL, Spark, Airflow, Kafka, nginx, Git, Docker

Responsibilities

Build production-ready ML models using robust and scalable code; Explore mobile and web data to identify and solve real-world business problems; Deploy scalable models on cloud infrastructure for real-time, asynchronous, and batch predictions; Collaborate with product, development, UX, and business teams to identify new ML use cases; Provide technical guidance and support to team members on ML techniques and implementation.

Seniority

Senior, hands-on IC

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