Mindrift is hiring: Senior Python Systems Developer - Functional Testing Project
Mindrift, New York, NY, United States
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
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.
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.
#J-18808-Ljbffr
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
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.
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.
#J-18808-Ljbffr