Senior Python Developer - Code Migration Specialist

Overview

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.

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 to accelerate development cycles, automate repetitive tasks, and improve overall code quality

Qualifications

• 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 multiple coding languages (e.g., C, C++, Rust, Go) with support from LLMs
• 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

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

• Freelance project-based collaboration via the Mindrift platform (powered by Toloka AI)
• Fully remote and flexible participation — choose when and how much to contribute (20-30 hours per week)
• Each project has its own compensation level based on scope and expertise required. On this project, AI trainers earn up to $45 per hour equivalent
• Opportunity to contribute to innovative AI projects for leading tech companies
• Supportive global community