Nix / NixOS Software Engineering Intern

**Company Description** 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. **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) **Qualifications** * 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 / Nixpkgs / 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. **Our Tech Stack** * Nix / Nixpkgs / 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 AI) * Element / Matrix