Apply for Summer of Nix 2025

Announcements
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Summer of Nix returns for its 5th edition - a paid contribution program advancing the Next Generation Internet and the Nix ecosystem. Over 13 weeks, selected participants will work with a mentor on getting more free and open source software to work reliably on NixOS.

We’re looking for curious, motivated individuals with programming skills, familiarity with Nix, and a willingness to learn in a collaborative environment.

Participants will receive a stipend for their work. Our mentors - @erictapen, @eljamm, and @JulienMalka - will ensure smooth onboarding, share their experience, and help your efforts lead to real-world impact.

Requirements

  • fluency in English
  • proficiency with plain text editing, Git, and Bash
  • competence with the Nix language and related tools
  • availability for ~160 hours over 13 weeks from June to September 2025

Application

We warmly welcome applicants from all backgrounds.

Application deadline: 2025-05-12 00:00 UTC

Please follow the application instructions on summer.nixos.org.

Let’s make Nix easier to learn, use, and love — together.

The program is run by the Nix@NGI team.
It is funded by the European Commission’s Next Generation Internet (NGI) initiative through the NLnet Foundation and the NixOS Foundation.

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why there is not any specific channel for summer of nix in matrix chat

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You can get in touch on Matrix here: https://matrix.to/#/#ngipkgs:matrix.org This is not only Summer of Nix, but there is not a lot of traffic, and everyone involved can be reached there.

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hey @idabzo to be eligiable do i need to have some experience in open sourse?

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Hi @debaa, yes — this is not a program for absolute beginners, but an opportunity for growing your skills in a professional setting given some prior experience. We prefer candidates who have already contributed to the Nix ecosystem, but this is not a strict requirement if you know your ways around related activities.

Please check the details on our selection criteria linked in the announcement: https://summer.nixos.org#applications

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The application phase has closed. We got more than 50 submissions from all over the world. There are so many amazing candidates that it will be a really hard choice for the team, as we unfortunately can’t accommodate everyone we’d wish to. Thank you very much to everyone who applied! We’ll contact you regarding next steps in the coming days.

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