Jelle Besseling
Python Developer at bigbridge-nl
Nijmegen, Gelderland, Netherlands
Summary
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RockstarJelle Besseling is a Python developer with 12 years of experience based in Nijmegen, Netherlands, who brings a strong back-end focus and a passion for Rust and functional programming. He’s an active open-source contributor to notable projects like NixOS/hydra, Darklang, Nushell, and jj, where he’s improved CI/auth flows, expanded language standard libraries, and made shells and VCS tooling more robust. Comfortable across build systems and reproducible DevOps (notably Nix flake and Rust toolchain integrations), he blends practical engineering with careful attention to developer experience. Jelle’s work shows a knack for shipping small, high-impact enhancements—like OAuth integration, API-driven email retrieval, and language primitives—that tighten security, observability, and usability in complex systems.
12 years of coding experience
Github Skills (34)
env10
github-oauth10
programming-language10
system-programming10
back-end-development10
apidoc10
nix10
scripting10
command-line-interface10
authentication10
user-authentication10
environment-variables10
perl10
script10
api10
Programming languages (35)
Github contributions (5)
nushell/nushell
Apr 2023 - Jun 2023
A new type of shell
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 12 PRs, 36 comments in 1 month
Contributions summary:Jelle primarily contributed to the core functionality of the Nushell shell, focusing on expanding the `ps` command to include additional information (ppid) and providing an example. They added new variables to the `$nu` and `$env` tables, enhancing the shell's environment. The user also worked on the `exec` command, improving how environment variables are handled.
shellrustnushell
NixOS/hydra
Dec 2020 - Jan 2021
Hydra, the Nix-based continuous build system [maintainers=@dasj,@Ericson2314]
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 9 commits, 6 PRs in 11 days
Contributions summary:Jelle primarily focused on implementing and extending the Hydra build system's functionalities. They added features like generating Shields.io badges and integrating GitHub logins, including the necessary OAuth flow and user authentication. Furthermore, the user modified the system to use the GitHub API for retrieving email information and updated the codebase to use email scopes. They also improved the push-github endpoint to trigger flakes and refined the GitHub login process by addressing edge cases.
build-systemnixcicdnixos
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