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Senior Machine Learning Product Engineer, Consumer Alliance (all genders)

Warszawa, Masovian Voivodeship, Poland💼 Full-time🗓 2026-08-21 → 2026-09-26

Core

Build and operate production ML systems for menu personalization, including recommender stacks, feature pipelines, and model serving to help millions of customers discover recipes.

Role type

Senior Machine Learning Product Engineer (Recommender Systems)

Builds

Scalable recommender systems and data products for global digital platforms

Domain

Food delivery / Direct-to-consumer / Personalization

Deliverable

production ML models

Required skills

Production ML system design, Feature engineering, Model serving, Experimentation design, System observability, Python, Apache Spark, Kafka, Kubernetes, AI tooling (Claude Code, Cursor, Copilot)

Preferred skills

Large-scale personalization experience, Recommender systems expertise

Technologies

Python, Apache Spark, Kafka, Kubernetes, Claude Code, Cursor, Copilot

Responsibilities

Design and operate end-to-end ML systems for menu personalization; Transition research experiments to reliable production services; Maintain accountability for significant components of the recommender stack; Instrument and improve systems in production based on real-world performance; Contribute to technical roadmap with data-backed decisions; Conduct code and design reviews to raise technical standards.

Seniority

Senior, hands-on IC

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