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Platform Engineer (Backend Infrastructure)

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Platform Engineer (Backend Infrastructure) in Remote new

  • Focal Systems
  • Full time
  • Email
  • Portugal

Responsibilities

  • Own the design, operation, and cost optimization of the production platform on GCP, including Kubernetes, Kafka, MySQL, MongoDB, Redis, and object storage.
  • Reduce GPU inference cost, latency, and operational effort through machine-type selection, batching, autoscaling, and scheduling improvements.
  • Read, debug, and modify Python and FastAPI backend services and Kafka consumers to resolve platform and scaling problems.
  • Diagnose and fix throughput bottlenecks involving Kafka partitions, consumer throughput, databases, and autoscaling.
  • Improve metrics, alerts, dashboards, incident response, postmortems, and capacity planning.
  • Build tooling that provides engineers with rapid access to data across regions and storage systems.
  • Maintain Terraform and Helm infrastructure-as-code and the production deployment path.
  • Coordinate with backend, deep learning, and edge teams to support new products and models.

Requirements

  • At least 5 years of experience building and operating production backend systems on a cloud platform.
  • Strong Python software engineering experience, including weekly contributions to backend code.
  • Hands-on production experience operating a stateful system under load, such as Kafka, MySQL, PostgreSQL, or MongoDB.
  • Production Kubernetes experience, including scheduling, resource limits, KEDA autoscaling, GPU node pools, and pod debugging.
  • Experience debugging production incidents across application, messaging, database, orchestration, and network layers.
  • Experience with observability using Prometheus, Grafana, Grafana Mimir, Sentry, or equivalent tools.
  • Experience with Terraform or another infrastructure-as-code tool.
  • Advanced written and spoken English and comfort coordinating across time zones and participating in a shared on-call rotation.
  • Preferred experience includes MySQL query tuning, Kafka internals, Confluent Cloud, Kafka Connect, GPU workloads, ML inference serving, cloud cost optimization, Go, Snowflake, Airflow, CircleCI, Helm, and blue/green or canary releases.

Benefits

  • Remote role in Poland/Europe, structured as either a B2B contract or an employment contract with full benefits.
  • Competitive salary and stock options.
  • Paid time off.
  • Team retreats.
  • Education grants.

Salary: $102k - $118k/yr

Focal Systems

Focal Systems builds an AI-powered shelf-monitoring platform for brick-and-mortar retailers, combining low-cost shelf cameras with computer vision and a cloud service to automate on-shelf availability checks and merchandising workflows. It sells hardware plus software and analytics subscriptions ...

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