Freelance Senior Python Developer - Functional Test Frameworks

Actively Reviewing the Applications

Mindrift

On-site

Posted 3 weeks ago • Apply by May 3, 2026

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.

What This Opportunity Involves

While each project involves unique tasks, contributors may:

Coordinate cross-language migration workflows by analyzing C/Rust/Go codebases to create behavioral tests and migration stubs for Rust targets.
Design and implement black-box functional test frameworks (pytest + uv, Python 3.10) for native CLI projects.
Built reproducible Docker evaluation images and CI pipelines for agent evaluation (Dagger/Codespaces), handling secure workspace setup and git submodule integration.
Apply professional judgment to assess AI responses

What We Look For

This opportunity is a good fit for senior software developers open to part-time, non-permanent projects. Ideally, contributors will have:

Degree in Computer Science, Software Engineering or related fields
5+ years in software development with at least 5 years in Python
Familiarity with C, Rust, Go / confidence to read this code with LLM
English proficiency - B2
Stable internet connection

How It Works

Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid

Project time expectations

For this project, 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.

Payment

Paid contributions, with rates up to $12/hour*
Fixed project rate or individual rates, depending on the project
Some projects include incentive payments
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