Dan Sully
Software Engineer at Apple
San Francisco Bay Area United States
Summary
🤩
RockstarDan Sully is a software engineer with 11+ years of experience specializing in developer productivity, tooling, and large-scale migration work, now based in the San Francisco Bay Area. He blends systems and infrastructure roots from an early sysadmin/ISP background with hands-on backend and lower-stack development in Python and Rust. At LinkedIn he advanced to Senior Staff, driving internal library ecosystems, dependency management, and CI/CD workflows, and he recently joined Apple to continue tackling developer-facing infrastructure. An active open-source contributor, he has contributed practical integrations to widely used projects like mason.nvim and improved environment setup logic in Volta, showing attention to developer UX and cross-platform robustness. Colleagues know him for turning messy platform transitions into repeatable, automatable processes and for preferring pragmatic, debuggable solutions over flashy complexity.
11 years of coding experience
25 years of employment as a software developer
English
Stackoverflow
483reputation
26kreached
0answers
1question
Github Skills (22)
package-management10
environment-variables10
neovim10
lua10
lint10
linter10
rust10
debugging9
python9
nodejs9
package-manager9
markdown-it8
git-repository8
repos8
markdown8
Programming languages (28)
Github contributions (5)
mason-org/mason.nvim
Jul 2022 - Jan 2023
Portable package manager for Neovim that runs everywhere Neovim runs. Easily install and manage LSP servers, DAP servers, linters, and formatters.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 6 commits, 3 PRs in 5 months
Contributions summary:Dan primarily contributed to the `mason.nvim` project by adding and integrating various linters and formatters for different programming languages and file types. Their work involved modifying configuration files and registry entries to incorporate new tools like `curlylint`, `pydocstyle`, `pyproject-flake8`, `remark-cli`, `commitlint`, `gitui`, and `blackd-client`. These changes involved adapting the Neovim package manager for broader language support and enhanced code quality checks.
formattersneovimpackage-managerluamason
volta-cli/volta
May 2021 - May 2021
Volta: JS Toolchains as Code. ⚡
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR, 1 comment in 2 days
Contributions summary:Dan primarily focused on modifying the `src/command/setup.rs` file within the Volta project. Their contributions involved refactoring code related to shell configuration updates, specifically optimizing the logic to prevent unnecessary modifications to user shell config files when the `VOLTA_HOME` and `PATH` environment variables already contained necessary information. They also added debugging statements, removed unnecessary braces and refactored code. These changes suggest a focus on improving the efficiency and correctness of Volta's environment setup process.
jstoolchainnodenodejspackage-manager
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