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Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid. Project time expectations: Tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements; This is an estimate, not a guaranteed workload, and applies only while the project is active. Note: Rates vary based on expertise, skills assessment, location, project needs, and other factors. Higher rates may be offered to highly specialized experts. Lower rates may apply during onboarding or non-core project phases. Payment details are shared per project.
Senior Python Developer - Code Migration Specialist
Location
Wisconsin
Posted
95 days ago
Salary
0
Seniority
Senior
Job Description
Senior Python Developer - Code Migration Specialist
Mindrift
Please submit your CV in English and indicate your level of English proficiency. 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. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key 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
Job 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
- English language - B2 or higher
- Requirements +
- 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
- What we can offer
- 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)
- Task-based compensation, equivalent to up to $80/hour* depending on performance and volume
- Opportunity to contribute to innovative AI projects for leading tech companies
- Supportive global community
- Note: Rates vary based on expertise, skills assessment, location, project needs, and other factors. Higher rates may be offered to highly specialized experts. Lower rates may apply during onboarding or non-core project phases. Payment details are shared per project.
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Senior Python Developer - Code Migration Specialist
MindriftApply → Pass qualification(s) → Join a project → Complete tasks → Get paid. Project time expectations: Tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements; This is an estimate, not a guaranteed workload, and applies only while the project is active. Note: Rates vary based on expertise, skills assessment, location, project needs, and other factors. Higher rates may be offered to highly specialized experts. Lower rates may apply during onboarding or non-core project phases. Payment details are shared per project.
Please submit your CV in English and indicate your level of English proficiency. 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. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key 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
• Maintain and improve existing functionality and develop new application parts • Deliver value for our customers • Improve the stability and observability of our product • Develop parts of the application: design, refactoring, fixing bugs, and writing tests to maintain the quality and functionality of the product and libraries • Review code and share knowledge with the team
• Design, develop, and deploy backend services and APIs that solve real-world customer challenges • Optimize application performance, scalability, and security • Collaborate with product managers, frontend engineers, and DevOps to ensure seamless integration of services • Troubleshoot and resolve production issues efficiently • Actively participate in code reviews, knowledge sharing, and continuous learning
• Consistently deliver high-quality, production-grade features faster than traditional teams. • Build and optimize AI-first workflows that integrate AI across all development stages. • Raise the bar for speed, quality, and ownership in product delivery. • Be a core contributor to the new engineering culture built on AI-First principles.
