Senior Python Systems Developer - Functional Testing Project

Please submit your CV in English and indicate your level of English proficiency. We are looking for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, and ability to read code across multiple languages with the support of LLMs.

Requirements

• 5+ years of experience as a Software Engineer (primarily Python)
• Deep experience with pytest (fixtures, session-scoped, timeouts) and designing black-box functional tests for CLI tools
• Expert-level Docker skills (reproducible Dockerfiles, user contexts, secure workspaces)
• Strong Linux & Bash scripting skills and comfort debugging inside containers
• Proficiency with modern Python tooling (uv, pyproject.toml, packaging)
• Ability to read and understand with LLM many coding languages (for example C, C++, Rust, or Go)
• Experience using LLMs (Claude Code, Roo Code, Cursor) to accelerate iterative development and test-case generation

Benefits

• Flexible participation — choose when and how much to contribute (20-30 hours per week)
• Opportunity to contribute to innovative AI projects for leading tech companies