@jart

An elite Systems Engineer and domain specialist in low-level portability, emulation, and ABI interoperability. Creator of the "Actually Portable Executable" (APE) format and high-performance emulators, demonstrating mastery over C, Assembly, and Operating System internals. Their work combines academic-level innovation with production-grade documentation, focusing on zero-dependency runtimes and extreme optimization.

Score accurately reflects an expert-level Systems Engineer with deep specialization in OS internals. The perfect scores in technical metrics are justified by the invention of novel executable formats and optimization feats that rival standard industry tooling.

• 1Ask them to explain the architecture decisions in cosmopolitan and what they would do differently today.
• 2Ask them to live code a small feature or debug a problem in their primary language.
• 3Ask them to explain how they approach learning new technologies and staying current.