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September 29, 2026
Machine Learning Engineer (MLOps)
Senior • On-site
Warsaw, MA, Poland
Quick Facts
Role: Machine Learning Engineer (MLOps)
Focus: Predictive ML models for CRM, sales, marketing, and campaigns; Google Cloud-based production lifecycle
Description
You will design, develop, and deploy machine learning models that support CRM, marketing, sales, and campaign use cases in a large, regulated financial organization. The work includes building classification/regression/NLP predictive models, developing GCP-based data and ML pipelines, and automating production CI/CD for machine learning. You will also monitor model quality, drift, and business impact, manage model versions and retraining, and help shape MLOps governance standards.
Responsibilities
Design, develop, and deploy ML models supporting CRM, marketing, sales, and campaigns
Build classification, regression, NLP, and other predictive solutions
Develop models using Python, PyTorch, Spark/PySpark, and Google Cloud Platform
Prepare and optimize training and inference data
Build data and ML pipelines using Airflow, Dataflow, and other GCP tools
Deploy models to production and automate ML CI/CD processes
Monitor data quality, model effectiveness, drift, and business outcomes
Manage model versions, retraining, and the full model lifecycle
Identify high-predictive-value customer behaviors and events
Optimize decision engines for lead and offer distribution
Collaborate with Data Engineering, IT, marketing, and sales teams
Contribute to modeling standards, validation automation, and governance in a regulated environment
Participate in initiatives for hyper-personalization, GenAI, LLMs, and R&D experiments
Requirements
Multi-year experience building predictive models (preferably in banking/finance or another regulated environment)
Practical experience with CRM/sales/marketing use cases (lead scoring, next best offer, churn, cross-sell, upsell, customer analytics)
Very strong Python and data analysis/processing skills
Very strong SQL; preferred experience with BigQuery
Practical experience with Google Cloud Platform
Familiarity with BigQuery, Vertex AI, Dataproc, Dataflow, Airflow/Cloud Composer, and/or MLflow
Experience processing large datasets using Spark/PySpark
Experience building, deploying, and maintaining models in production
MLOps best practices: pipeline automation, model versioning, CI/CD, monitoring, retraining
Experience with batch or near-real-time data processing
Ability to work with business stakeholders and translate marketing/sales needs into analytical solutions
Higher education in a technical, mathematical, IT, economics, or related field
Benefits
Long-term collaboration on strategic Data Science and Machine Learning solutions
Work with very large datasets in a modern Google Cloud Platform environment
Real impact on solutions supporting sales, marketing, and customer experience
Participation in the full model lifecycle—from experiments to production deployment and monitoring
Collaboration with experienced technical and business teams
Opportunity to contribute to hyper-personalization, GenAI, and evolving MLOps standards
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