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Senior MLOps ML Platform Engineer


Job Location:

Warsaw - Poland

Monthly Salary: Not provided by the employer
Posted: 11 September 2026 (14 hours ago)
Application Deadline: 9 December 2026
Vacancies: 1 Vacancy

Job Summary

  • Build and maintain ML training orchestration pipelines across hourly daily and weekly schedules
  • Implement retries backfills and idempotent execution mechanisms
  • Design and support model registry workflows including versioning lineage evaluation gates and promotion processes
  • Develop isolated per-advertiser model environments with namespace and configuration separation
  • Build scalable refresh pipelines and publishing workflows for serving infrastructure
  • Implement shadow mode and champion/challenger deployment strategies
  • Develop monitoring and alerting for ML-specific metrics including feature drift prediction drift train/serve skew and calibration decay
  • Ensure reproducibility of ML workflows using containerized environments pinned dependencies and data snapshots
  • Monitor training and scoring costs across tenants
  • Collaborate with DevOps and SRE engineers on CI/CD and infrastructure automation
  • Prepare operational documentation and platform handover materials

Qualifications :

  • 5 years of experience in MLOps ML platform engineering or infrastructure engineering supporting production ML systems
  • Strong Python skills and experience building platform-level tooling and automation
  • Hands-on experience with Kubernetes and Docker
  • Experience building CI/CD pipelines for ML workloads
  • Hands-on production experience with MLflow Kubeflow Airflow Argo Workflows Vertex Pipelines or similar orchestration and ML lifecycle platforms
  • Experience with ML platforms and model lifecycle tools such as Vertex AI MLflow or Kubeflow
  • Strong understanding of ML observability including drift detection train/serve skew monitoring and incident response
  • Experience designing or supporting multi-tenant ML systems and isolated model environments
  • Experience working with cloud platforms preferably GCP
  • Experience with infrastructure-as-code tools such as Terraform
  • Experience with Linux environments
  • Understanding of the ML lifecycle and productionization processes
  • Upper-Intermediate English level or higher

WILL BE A PLUS

  • Experience with feature stores and feature consistency management
  • Experience with large-scale batch scoring systems operating under freshness SLAs
  • Familiarity with experiment tracking platforms and evaluation gates
  • Experience with on-premises Kubernetes or bare-metal Linux infrastructure
  • Knowledge of DVC lakeFS or other data versioning tools
  • Experience with Bigtable Redis Aerospike or similar low-latency serving databases
  • GPU scheduling and training cost optimization experience
  • Familiarity with SOC 2 ISO 27001 or GDPR-related compliance requirements

Additional Information :

PERSONAL PROFILE

  • Strong ownership mindset and focus on operational reliability
  • Ability to work independently in complex distributed systems environments
  • Strong collaboration and communication skills
  • Analytical thinking with attention to scalability and maintainability
  • Comfortable working in fast-paced product-oriented environments

Remote Work :

Yes


Employment Type :

Full-time


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At Sigma Software, we are involved with the client’s team to contribute to the design and development of a technical solution for their tokenized domain reservation platform. We started by assigning a software architect to design the smart contracts and integrate blockchain into the s ... View more

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