SELECTED WORK · ALL PULL REQUESTS · REPOSITORIES
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I work on systems where correctness depends on the behavior people usually
skip: compatibility boundaries, concurrency, resource accounting,
authorization, failure recovery, and the exact promise an interface makes.
My public work is primarily upstream engineering. I reproduce the condition, locate the violated invariant, make the narrowest defensible change, and leave behind evidence that explains why it is correct. |
runtime semanticsdistributed systemsreliability + recoverysecurity boundariesperformance evidence
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01 / APACHE DATAFUSION · RUST + ARROW Account for memory once. Removed repeated record-batch accounting while preserving correctness for view arrays, shared buffers, and zero-copy slices. MERGED
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02 / SUPABASE REALTIME · ELIXIR Authorize only what will be written. Preserved explicit Broadcast and Presence policy checks without performing unrelated extension reads. MERGED
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03 / NASA F´ · C++ Make four states one invariant. Centralized parameter-validity semantics across a flight-software framework API and its regression coverage. MERGED
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04 / APACHE HUDI · JAVA + SPARK Reject what cannot be represented. Turned unsupported procedure filter functions into explicit validation failures with focused tests. MERGED
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More merged work in pyasn1 · Apache Sedona · typeshed · aiohttp · Sentry CLI
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RUNTIME Linux behavior, filesystems, memory, native interfaces, and compatibility. |
DISTRIBUTED Networks, services, authorization, coordination, and partial failure. |
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ASSURANCE Explicit policy, provenance, diagnostics, and deterministic verification. |
PERFORMANCE Measurement, hot paths, resource models, and optimization without semantic drift. |
Rust
C++
Go
Elixir
Python
Java
TypeScript
Observe the behavior. Find the boundary. Change the minimum. Prove the result.