Nix / NixOS Software Engineering Intern

Lüneburg

atvari is a technology company specializing in software and cloud architecture, custom software engineering, cloud engineering, DevOps, and IT consulting. The team is passionate about building robust, modern solutions with a strong focus on Rust, Nix, and open-source technologies. atvari values clean, maintainable code and collaborative engineering practices. Applicants can expect to work in an environment that encourages learning, experimentation, and contribution to the open-source community.

Tasks

Role Description

As a Nix / NixOS Software Engineering Intern at atvari, you will support the design, implementation, and maintenance of Nix-based development and deployment environments. You will assist in writing and refining Nix and NixOS configurations, automating build and deployment workflows, and integrating Nix with existing software projects. Day-to-day tasks include collaborating with engineers on backend services, troubleshooting environment and dependency issues, and documenting configuration and tooling. This is a fully remote internship, where you will work closely with the engineering team and gain hands-on experience with Rust, Nix, and cloud-native practices.

Internship Details

This is an unpaid internship for the duration of 1-3 months based on your needs. It is either offered as a voluntary internship (Freiwilliges Praktikum) or a mandatory internship (Pflichtpraktikum) and it is only available to German residents.

You are eligible if one of these conditions apply to you:

you do not have a completed apprenticeship or university degree (Freiwilliges Praktikum)
you need a mandatory internship as part of a degree program (Pflichtpraktikum)

Requirements

Strong foundational knowledge in Computer Science, including algorithms, data structures, and operating systems.
Exposure to Software Development and Programming, with experience in at least one high-level language (Rust experience is a plus).
Understanding of Back-End Web Development concepts, such as APIs, microservices, and server-side frameworks.
Familiarity with Functional Programming (FP) principles and their practical application in codebases.
Interest in Nix / NixOS, reproducible builds, DevOps, and infrastructure as code.
Ability to learn quickly, work in a team setting, and communicate clearly about technical topics.
Comfort working remotely in Germany and collaborating in a cross-functional engineering environment.

Benefits

Our Tech Stack

Nix / NixOS
Rust
TypeScript & React
Kubernetes & Podman
OpenTofu / Terraform
gRPC, Protobuf & buf
GraphQL
Grafana, Loki, Tempo, Mimir
OpenTelemetry
WebAssembly
OpenCode & Claude Code
GitHub, GitLab, Forgejo
Hetzner Cloud, GCP, AWS, Azure, OpenStack

Other tools we use:

Proton Workspace (Proton Mail, Proton Calendar, Proton Drive, Proton Pass, Proton Meet, Proton Lumo)
Element / Matrix