Senior Data / MLOps Engineer

Senior Data / MLOps Engineer 📍 Remote 💰 135–145 PLN/h (B2B) Join CT&C Engineering and help build scalable data platforms and production-grade Machine Learning solutions. We're looking for an engineer who can bridge the gap between Data Science and Production, turning ML models into reliable, automated, and monitored systems running at scale. Your responsibilities Deploy and maintain end-to-end ML lifecycles, including automated training, deployment, and versioning. Build and support core MLOps components, including Feature Stores, experiment tracking, and model registries. Develop CI/CD/CT pipelines for Machine Learning workloads. Build and optimize high-volume data pipelines using Apache Spark and PySpark. Design scalable cloud infrastructure using Infrastructure as Code. Implement monitoring for model drift, data quality, and system performance. Ensure reproducibility through versioning of data, code, and artifacts. Collaborate closely with Data Scientists and Product Owners to deliver production-ready ML solutions. Must have Agile Apache Spark AWS CDK AWS Lambdas CI/CD ETL/ELT PySpark Python PyTorch SQL Training Design We're especially interested in engineers who Can work closely with Data Scientists and help productionize their solutions. Understand ML models, their trade-offs, and monitoring requirements. Have hands-on experience implementing solutions using PySpark and SageMaker. Understand the full Machine Learning lifecycle beyond model development. Tech stack Python | PySpark | Apache Spark | AWS | SageMaker | SQL | CI/CD | ETL/ELT | AWS CDK | AWS Lambdas | PyTorch What we offer Up to 145 PLN/hour net on a B2B contract Payments processed in your preferred form Short 14-day invoice payment term Comprehensive private healthcare package Access to the MyBenefit benefits platform (including the option to order Multisport cards, prepaid gift cards for Ikea, Zalando, Notino, and many other brands)