Senior Software Engineer, API Platform

New
C
CAST AIAI infrastructure
Location: Bulgaria; Croatia; Estonia; Greece; Hungary; Latvia; Lithuania; Poland; Romania; Slovakia; Slovenia; UkraineFull-TimeSenior
Salary€6,500 - €9,000 gross, depending on the level of experience.
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Job Details

Languages
Strong English skills, both verbal and written.
Required Skills
AWSGCPKubernetesTypeScriptAzureGo

Requirements

  • Have production experience with Go or TypeScript, or demonstrate strong systems programming skills in a comparable language.
  • Bring strong debugging, optimization, and performance-tuning skills.
  • Have experience with query profiling, index design, and database performance tuning beyond ORM usage.
  • Have experience with observability tooling such as Prometheus, Grafana, or OpenTelemetry.
  • Have experience with CI/CD and DevOps practices.
  • Bring hands-on cloud platform experience with AWS, GCP, or Azure; this is a strong plus.
  • Have experience with Kubernetes; this is a strong plus.
  • Have strong verbal and written English skills.
  • Have personally driven a complex project end-to-end.
  • Be adaptable, proactive, and comfortable with ambiguity.

Responsibilities

  • Develop with observability in mind, identify bottlenecks, and optimize performance.
  • Use query profiles and flame graphs to investigate rising p99 latency.
  • Design and maintain reliable datastores and distributed systems behind the inference API as usage scales.
  • Build billing, usage metering, and role-based controls for monitoring and governing user consumption.
  • Own features end-to-end, from design and implementation through testing and production rollout.
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€6,500 - €9,000 gross, depending on the level of experience.
Apply Now