Senior Python Systems Developer - Functional Testing Project

MindriftDallas, TX

$80+ / hour

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Overview

Schedule

Flexible-schedule

Part-time

Career level

Senior-level

Remote

Compensation

$80+/hour

Benefits

Flexible/Unlimited PTO

Job Description

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

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)
Each project has its own compensation level based on scope and expertise required. On this project, AI trainers earn up to $80 per hour equivalent.
Opportunity to contribute to innovative AI projects for leading tech companies
Supportive global community

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FAQs About Senior Python Systems Developer - Functional Testing Project Jobs at Mindrift

What is the work location for this position at Mindrift?

This job at Mindrift is located in Dallas, TX, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at Mindrift?

Candidates can expect a pay range of $80 (per hour).

What employment applies to this position at Mindrift?

Mindrift lists this position under the following employment categories:

Flexible-schedule
Part-time

What experience level is required for this role at Mindrift?

Mindrift is looking for a candidate with "Senior-level" experience level.

Does Mindrift allow remote work for this role?

Yes, this position at Mindrift supports remote work, giving candidates the flexibility to work outside the primary office location.

What benefits are offered by Mindrift for this role?

Mindrift offers Flexible/Unlimited PTO for this position. Actual benefits may vary depending on the employer's policies and employment terms.

What is the process to apply for this position at Mindrift?

You can apply for this role at Mindrift either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.