Experience building or contributing to Python data APIs, ideally dataframe-style APIs (e.g. Pandas, Polars, Arrow, Snowflake, or similar) Strong experience in Python and Rust, or a language-agnostic background with proven ability and motivation to pick up Rust rapidly Experience writing high-performance software and debugging across Python, Rust, gRPC, and distributed systems Proven ability to take projects from start to finish with limited hand-holding Empathy for developers and a sense of taste for clean, ergonomic API design