A data analyst who builds the analytics system from scratch for a SaaS voice/call-automation product (zvonok.com): auditing data, defining metric methodology (LTV, CAC, retention), designing ClickHouse data marts, and building role-based dashboards plus end-to-end attribution and A/B-test support. Core stack: SQL, ClickHouse, PostgreSQL, BI (DataLens/Superset), Yandex.Metrika.
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