About the job
We encourage you to submit your CV in English and specify your English proficiency level.
Mindrift collaborates with experts to connect them with project-based AI opportunities from top technology companies, dedicated to testing, evaluating, and enhancing AI systems. This is a project-based engagement, not a permanent role.
About the Role
We are seeking a seasoned Python developer with extensive experience in functional testing, proficient in Linux and Docker. You should be capable of interpreting code across various languages with the assistance of LLMs (e.g., C, Rust, Go) and adept at translating requirements for migration tasks. Familiarity with tools such as Roo Code or Claude Code to expedite iterative development is essential.
Key Responsibilities
- Develop functional black box tests for substantial codebases in diverse source languages.
- Establish and oversee Docker environments to guarantee 100% reproducible builds and test execution across various platforms.
- Track code coverage and set up automated scoring criteria to adhere to industry benchmark standards.
- Utilize LLMs (Roo Code, Claude) to streamline development cycles, automate repetitive tasks, and enhance overall code quality.
Qualifications
- Minimum of 5 years of experience as a Software Engineer, primarily focusing on Python.
- Extensive experience with pytest (including fixtures, session-scoped, timeouts) and designing black-box functional tests for CLI tools.
- Proficient in Docker (creating reproducible Dockerfiles, managing user contexts, ensuring secure workspaces).
- Strong skills in Linux & Bash scripting, with comfort in debugging within containers.
- Familiarity with modern Python tooling (uv, pyproject.toml, packaging).
- Ability to comprehend and analyze various coding languages (C, C++, Rust, or Go) using LLMs.
- Experience with LLMs (Claude Code, Roo Code, Cursor) for accelerating development and generating test cases.
- English language proficiency at B2 level or higher.
Preferred Qualifications
- Previous experience with agent evaluation platforms and MCP CLI.
Tools and Technologies: Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov.
Benefits
What We Offer
- Freelance, project-based collaboration through the Mindrift platform (powered by Toloka AI).
- Fully remote and flexible participation—you can choose your contribution hours (20-30 hours per week).
- Compensation based on tasks, up to $50/hour* depending on performance and workload.
- Opportunity to work on cutting-edge AI projects for leading tech companies.

