ClickStack is the open-source observability platform we're building at ClickHouse — logs, metrics, traces, and session replays unified so engineers can find root causes quickly. We're hiring an AI Product Engineer to build agentic capabilities on top of a petabyte-scale observability platform, with a focus on developer experience. Context engineering, tool design, evals, tracing, cost. Latency, cost, context window limits, eval coverage, hallucinations on real telemetry. * You think in production terms: p99 latency, cost per task, whether the system still works next week without intervention. * Strong opinions on agent observability — tracing, cost attribution, eval pipelines, OpenTelemetry for agents — and ideas on how to improve it.
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