Senior Python Systems Developer - Functional Testing Project

Senior Python developer with deep functional testing experience required for a part-time project. The role involves creating functional black box tests, managing Docker environments, and leveraging LLMs to accelerate development cycles.

Requirements

• 5+ years of experience as a Software Engineer (primarily Python)
• Deep experience with pytest 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
• English language - B2 or higher
• Prior experience with agent evaluation platforms and MCP CLI

Benefits

• Freelance project-based collaboration
• Fully remote and flexible participation
• Variable compensation per project