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Pretius

Senior Data Scientist

Pretius Show all offers
Warszawa
23 days ago

In short

Senior Data Scientist for e-commerce platform development in Warsaw. Responsibilities: design ML models for prediction, build Deep Learning solutions, own ML lifecycle, deploy models. Requirements: Neural Networks, PyTorch/TensorFlow, Python, SQL, GCP, software engineering mindset.

AI-written summary based on the listing content.

At Pretius we are looking for a Senior Data Scientist to a large-scale e-commerce platform development.

Project / RoleDesign and optimize ML models for CTR, CVR and RoAS prediction.

Build Deep Learning solutions combining user, product and placement signals.

Own the full ML lifecycle—from problem definition to production deployment.

Develop models for high-throughput, low-latency environments.

Collaborate with Engineering, Product and business teams.

Mentor other Data Scientists and promote best practices. Requirements

Commercial experience with Neural Networks and Deep Learning (mandatory).

Strong knowledge of PyTorch or TensorFlow.

Excellent Python skills (Pandas, NumPy) and advanced SQL (BigQuery is a plus).

Experience building and deploying production ML models end-to-end.

Hands-on experience with GCP, especially Vertex AI and Vertex Pipelines.

Software engineering mindset (clean code, testing, CI/CD).

Experience mentoring or leading technical initiatives.

STEM degree or equivalent professional experience.

English level B2+.

Nice to have

Experience with low-latency ML systems.

Advertising, recommendation or ranking domain knowledge.

CTR/CVR modeling experience.

Knowledge of Gradient Boosted Trees.

Experience using AI-assisted coding tools. What do we offer?

We focus on long-term relationships based on fair principles and reliability.

Co-financing of the Multisport card and Medicover private healthcare.

Modern office available.

Team bonding activities, internal courses, conferences, certifications.

Published 2026-08-27
Expires 2026-10-26
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