
Freelance Senior Python Developer - Functional Test Frameworks
Mindrift • Brazil
Salary: $17 / hour
Role & seniority
- Senior software developer; part-time, project-based, non-permanent
Stack / tools
Languages: Python (5+ years), C, Rust, Go
Testing: black-box functional tests (pytest, uv, Python 3.10)
Environments: Docker evaluation images, CI pipelines (Dagger, Codespaces)
Other: git submodules, cross-language migration workflows, AI response evaluation
Top 3 responsibilities
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Analyze C/Rust/Go codebases to design behavioral tests and migration stubs for Rust targets
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Design/implement black-box functional test frameworks for native CLI projects
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Build reproducible Docker evaluation images and CI pipelines; manage secure workspace setup and submodule integration; assess AI responses with professional judgment
Must-have skills
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Bachelor’s degree in Computer Science, Software Engineering, or related field
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5+ years software development experience; ≥5 years Python experience
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Ability to read C, Rust, Go code; comfort working across languages
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English proficiency at B2 (intermediate) or higher
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Stable internet connection
Nice-to-haves
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Experience with AI/ML evaluation tasks
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Familiarity with Dagger, Codespaces, or related CI/CD tools
Location & work type
Location: must reside in the specified country; eligibility affects rates
Work type: project-based, time commitment around 10–20 hours/week during active phases
Compensation: paid contributions up to $17/hour; rates vary by project and expertise; some projects offer incentive payments
Notes
- Subm
Full Description
This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume 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 $17/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 Show more Show less