1) Architecture “Second opinion” (60–90 min)
Outcome: risks, quick wins, and a practical plan to move forward.
2) Performance audit (ClickHouse / pipelines)
Outcome: prioritized tuning list (queries + schema + settings) and measurable next actions.
3) Reliability & observability
Outcome: retries/backfills strategy, monitoring, and DQ checks that prevent incidents.
How I work
Short intro call → context review → written plan/report → follow-up session.