15+ Years in Data Management & Operations: A proven track record of building and maintaining enterprise-grade data pipelines and large-scale distributed systems, specifically within the Financial Services or Fintech sectors. PostgreSQL Specialization: At least 8-10 years of deep, hands-on experience specifically with PostgreSQL, including internal mechanisms (MVCC, WAL, VACUUM), partitioning, and advanced indexing (pgvector, GIN, GiST).