CareerPlanSign in

Machine Learning Engineer personalization m f d

Warszawa, mazowieckie🌐 Remote💼 Full-time🗓 2026-05-28 → 2026-08-06

Core

Building and deploying data-driven machine learning solutions for portal personalization, campaign ranking, and churn prevention.

Role type

Senior Machine Learning Engineer (personalization & ranking)

Builds

Campaign-based flash sale model, product recommender systems, and smart communication models.

Domain

E-commerce, personalization, recommendation systems

Deliverable

production ML models

Required skills

Python, SQL, Git, decision trees, neural networks, regression models, data lake/lakehouse architecture, feature engineering, model validation, MLOps

Preferred skills

recommender systems, NLP, PySpark, Databricks Lakehouse, structured streaming, Scala, mlflow

Technologies

Python, SQL, Git, PySpark, Databricks, mlflow, Scala

Responsibilities

Verify data quality and choose optimal algorithms; build and deploy ML solutions for personalization and campaign ranking; monitor, maintain, scale, and update ML pipelines; explain ML solutions to business stakeholders and developer teams; share and improve MLOps knowledge within the organization.

Seniority

Senior, hands-on IC

Sourced via adzuna · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.