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Senior Machine Learning Engineer, Menu Personalization

Warszawa, Masovian Voivodeship, Poland💼 Full-time🗓 2026-06-10 → 2026-07-31

Core

Design, build, and operate production ML systems for menu personalization, matching customers to recipes to improve discovery and business growth.

Role type

Senior Machine Learning Engineer (Recommender Systems)

Builds

Scalable recommender stack, feature pipelines, training workflows, and model serving infrastructure for global markets.

Domain

Food tech / Direct-to-consumer subscription / Personalization

Deliverable

production ML models

Required skills

Production ML system design, Recommender systems expertise, Python, Spark, Go, Kafka, Kubernetes, Statistical literacy, System observability, AI tooling (Claude Code, Cursor, Copilot), Product sense

Preferred skills

Experience with large-scale personalization, Hands-on AI tooling integration

Technologies

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

Responsibilities

Build and operate ML systems for menu personalization, Transition research to production, Maintain accountability for recommender stack components, Operate and refine production systems, Contribute to personalization roadmap, Raise technical bar via code reviews

Seniority

Senior, hands-on IC

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