Senior Data Platform Engineer

A Senior Data Platform Engineer with over 20 years of experience in optimizing high-performance database systems. Formerly CTO at ProxySQL and a senior consultant at Percona and Pythian, with consulting experience for Kraken Digital Asset Exchange, ClickFunnels, OPAP, and Intralot. Specializes in MySQL/MariaDB & ClickHouse performance optimization and architecture, high-volume data pipelines (100M+ events/day), database migrations without downtime, production firefighting, emergency optimization, replication, clustering, and disaster recovery. Recent projects include architecting multi-server clusters processing 500M+ daily analytics events, reducing query latency by 80%, building data deduplication pipelines, and implementing zero-downtime HA solutions and migrations. Expertise spans regulated environments, fintech, telco, gaming, gambling, crypto, and advertising analytics. Available immediately for contract work at $135-165/hr.