Senior Python Systems Developer - Functional Testing
M
MindriftAI
Spain. Barcelona, Catalonia, Spain. Madrid, Community of Madrid, Spain. València, Valencian Community, SpainContractSenior
Salary30 USD per hour
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Job Details
- Languages
- English
- Experience
- 5+ years
- Required Skills
- DockerPythonBashC++GoRustLinux
Requirements
- 5+ years of experience as a Software Engineer (primarily Python)
- Deep experience with pytest (fixtures, session-scoped, timeouts)
- Experience designing black-box functional tests for CLI tools
- Expert-level Docker skills (reproducible Dockerfiles, user contexts, secure workspaces)
- Strong Linux & Bash scripting skills
- Comfort debugging inside containers
- Proficiency with modern Python tooling (uv, pyproject.toml, packaging)
- Ability to read and understand C, C++, Rust, or Go with LLM support
- 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
Responsibilities
- Create functional black box tests for large codebases in various source languages
- Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms
- Monitor code coverage and configure automated scoring criteria to meet industry benchmark-level standards
- Leverage LLMs (Roo Code, Claude) to accelerate development cycles, automate repetitive tasks, and improve overall code quality
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