Avi Dessauer

Austin, Texas, United States

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Summary

🤩

Rockstar

Avi Dessauer is a senior software engineer based in Austin with nine years of experience specializing in Rust and Haskell, particularly around type-driven development, low-level concurrency, garbage collection design, and property testing. He has shipped production and research-quality systems—from a concurrent GC prototype (Sundial-GC) to a TinyRAM-based zkSNARK VM—and consults on project architecture, data-oriented design, and memory optimization. His open-source footprint includes contributions to rust-analyzer parsing, Haskell IDE tooling (casesplit), and language-server robustness for Nickel, showing a mix of compiler front-end and developer-tooling expertise. Avi also improves real-world tooling and editors (coc.nvim, vista.vim) and maintains practical Rust projects like a cross-platform simple HTTP server, demonstrating attention to maintainability and security. He combines deep type-system thinking with pragmatic engineering choices, often exploiting immutability and monomorphism for performance and correctness.

8 years of coding experience

2 years of employment as a software developer

Github Skills (35)

parser10

http10

typescript10

language-server-protocol10

vim-plugin10

vim10

neovim10

language-server10

parsing10

parse10

typescript-types10

ghc10

error-handling10

rust-analyzer10

nickel10

Programming languages (35)

CDVim SnippetGoHTMLTypeScriptShellSolidity

Github contributions (5)

rust-lang/rust-analyzer

Mar 2019 - Mar 2025

A Rust compiler front-end for IDEs

Role in this project:

Backend Developer

Contributions:3 PRs, 4 comments, 3 issues in 6 years

Contributions summary:Avi primarily focused on enhancing the Rust analyzer's parsing capabilities. Their commits involved implementing parsing logic for new language features, specifically those related to `default`, `unsafe`, and `const` keywords in trait implementations. They also updated existing test cases and added new ones to validate the correct parsing behavior. Their contributions directly impact the front-end analysis functionality of the Rust compiler.

rustlsp-servercompileridefront-end

haskell/haskell-ide-engine

Oct 2018 - Jan 2020

The engine for haskell ide-integration. Not an IDE

Role in this project:

Back-end Developer

Contributions:54 commits, 19 PRs, 3 pushes in 1 year 3 months

Contributions summary:Avi focused on enhancing the Haskell IDE engine by implementing a "casesplit" code action. They added the casesplit command to the HaRe plugin, enabling the generation of pattern matches. Furthermore, they integrated the casesplit functionality with unit tests and functional tests, ensuring the feature's correctness and robustness. This involved modifications to the core engine, plugin code, and related test specifications, demonstrating a commitment to feature development and testing within the project.

ghchaskellcabalideservant

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