Freelance Senior Python Developer - Functional Test Frameworks at Mindrift

Bucharest, , Romania -

Full Time

Start Date

Immediate

Expiry Date

03 May, 26

Salary

30.0

Posted On

02 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Python, Functional Test Frameworks, C, Rust, Go, Behavioral Tests, Black-Box Testing, Pytest, Uv, Docker, CI Pipelines, Dagger, Codespaces, AI Evaluation, Cross-language Migration

Industry

technology;Information and Internet

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 $30/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.

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Responsibilities

Contributors will coordinate cross-language migration workflows by analyzing C/Rust/Go codebases to create behavioral tests and migration stubs for Rust targets. They will also design and implement black-box functional test frameworks using Python for native CLI projects.