Senior Software Engineer

New
C
Cast AICloud-native, AI Infrastructure
Bulgaria, Croatia, Estonia, Greece, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Slovenia, and UkraineFull-TimeSenior
Salary6500 - 9000 EUR per month
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Job Details

Languages
English
Required Skills
AWSPostgreSQLGCPKubernetesAzureGoGrafanagRPCPrometheusRESTful APIs

Requirements

  • Production experience with Go (strongly preferred)
  • Strong systems programming skills in a comparable language (if no Go experience)
  • Deep hands-on experience with cloud platforms (AWS, GCP, or Azure)
  • Understanding of how compute, networking, and storage work under the hood in cloud platforms
  • Understanding of Kubernetes internals (autoscaling and networking)
  • Driven a complex project end-to-end
  • Strong debugging, optimization, and performance-tuning skills (query profiling, index design, database performance tuning beyond ORM usage)
  • Experience running observability tooling (Prometheus, Grafana, OpenTelemetry) in production
  • CI/CD and DevOps practices experience
  • Strong English skills (verbal and written)
  • Startup mindset: adaptable, proactive, and comfortable with ambiguity

Responsibilities

  • Design and build distributed systems that operate Kubernetes infrastructure autonomously at scale
  • Write production Go services that interact with AWS, GCP, and Azure APIs for real-time cloud resource management
  • Own features end-to-end: from design through implementation, testing, and production rollout
  • Debug complex production issues across cloud providers, Kubernetes clusters, and distributed services
  • Collaborate with product and other engineering teams to solve problems that don't have textbook solutions
  • Work with time-series data, cloud provider APIs, and Kubernetes control plane internals
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6500 - 9000 EUR per month
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