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Senior Machine Learning Researcher

Warszawa, mazowieckie🌐 Remote💼 Full-time🗓 2026-06-12 → 2026-08-04

Core

Designing and implementing deep neural network models to predict Internet user behavior and preferences for an ad-buying engine.

Role type

Senior Machine Learning Researcher

Builds

Deep Learning-powered ad-buying engine and recommendation systems

Domain

AdTech / Digital Marketing

Deliverable

production ML models

Required skills

Deep neural networks, statistics and probability, A/B testing, first-price auction modeling, transfer learning, contrastive loss functions

Preferred skills

Recommendation systems design, ML industry experience

Technologies

Python, Java, Scala, PyTorch, NumPy, Pandas, Jupyter Notebooks

Responsibilities

Designing and implementing deep neural network models, analyzing latest ML works, conducting A/B tests, developing approaches for bidding in first-price auctions

Seniority

Senior, hands-on IC

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