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Senior Machine Learning Platform Ops

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Senior Machine Learning Platform Ops in Others

  • Barcelona, Spain

Responsibilities

  • Build and maintain ML pipelines for training, evaluation, and deployment.
  • Create reproducible, containerized model-training environments and manage large-scale compute, including GPU and spot autoscaling.
  • Define observability and alerting for ML systems, including model drift, data quality, and feature coverage.
  • Design and scale batch and streaming data-ingestion and feature-transformation flows.
  • Develop internal Python libraries and platform tooling that accelerate ML experimentation and deployment.
  • Ensure ML services are modular, testable, and monitored from the start.
  • Explore and productionize LLM-based features, including retrieval pipelines, prompt evaluation, and model serving.
  • Collaborate with ML Scientists, Backend Engineers, and Data Engineers, and mentor peers in reliability, testing, and delivery.

Requirements

  • 5+ years of relevant experience designing and deploying production ML systems.
  • Proficiency in Python, SQL, and workflow orchestration tools such as Airflow, Kubeflow, or Dagster.
  • Experience with modern cloud platforms, preferably GCP or AWS, as well as Kubernetes and CI/CD workflows.
  • Understanding of the ML lifecycle, including training, validation, deployment, and monitoring.
  • Strong DevOps practices involving Git, Terraform, logging and observability, Docker, and Kubernetes.
  • Ability to work independently with ML Scientists and mentor peers.
  • Exposure to LLM serving, vector databases, or generative-AI product flows.
  • Deep hands-on expertise with AI tools, especially agentic AI software development life cycle practices.

Benefits

  • Open, collaborative, dynamic, and diverse workplace culture.
  • Monthly allowance for lessons on Preply.com.
  • Learning and Development budget and time off for self-development.
  • Competitive financial package with equity, leave allowance, and health insurance.
  • Access to free mental health support platforms.
  • Opportunity to contribute to language learning and teaching products used internationally.

Salary: Competitive

Preply

Preply builds an online marketplace that connects learners with human tutors for live language lessons, supported by AI tools. Consumers book 1:1 sessions and ongoing courses, while organizations use Preply Business for corporate language training; revenue comes from commissions and subscriptions...

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