Snowflake数据工程师

Design and operate scalable data pipelines and architectures using best-fit patterns, tools, and modeling methodologies without external dependencies.

Store and query time-series data with hypertables, compression, and continuous aggregates.

Query, design, migrate, and optimize SQL databases. Use when working with SQLite, PostgreSQL, or MySQL — schema design, writing queries, creating migrations, indexing, backup/restore, and debugging slow queries. No ORMs required.

Master relational databases with SQL. Schema design, queries, performance, migrations for PostgreSQL, MySQL, SQLite, SQL Server.

Analyze and optimize SQL queries by providing performance analysis, index recommendations, execution plan interpretation, and optimization suggestions.

Read-only Ethereum blockchain queries — blocks, transactions, balances, contracts, logs via RPC and Etherscan APIs