ML Engineer

ML Engineer Location: Remote / Poland Rate: Up to 140 PLN/h English: B2+ Start date: 30 November 2026 Contract duration: 12 months About the project We are looking for an experienced ML Engineer to join a project focused on developing and deploying machine learning solutions that drive business decisions and marketing performance. You will be responsible for building production-ready ML models, integrating predictions with external platforms, and developing scalable data and ML workflows in Google Cloud Platform (GCP).

combines hands-on machine learning engineering, data processing, cloud infrastructure, and business-oriented model optimization.

• Must have 5+ years of hands-on experience in Python-based Machine Learning Engineering, including ownership of deployed models and writing reliable production-grade code. Proven experience integrating ML predictions with external platforms via APIs to enable automated actions such as campaign optimization, recommendations, or pricing decisions. Advanced SQL and BigQuery skills, particularly in feature engineering, data validation, and recurring data transformations. Practical experience deploying ML workloads on GCP, including services such as Vertex AI, Pub/Sub, Cloud Run, and Composer/Airflow. Production experience with gradient-boosting algorithms such as LightGBM, CatBoost, or XG

Boost, including model tuning and evaluation using business-relevant metrics. Understanding of prediction calibration and the abil