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Mindrift • São Paulo, São Paulo, Brazil
Salary: $17 / hour
Role & seniority: Experienced software developer / test automation specialist; part-time, project-based (not permanent). Suitable for senior engineers with 5+ years of experience.
Python (pytest, async/await, subprocess, file I/O)
Full-Stack: React-based frontend + robust backend systems
Docker (local evaluation in containers)
CI/CD: GitHub Actions (triggers, labels, reading results)
Testing: functional and integration testing (not only test execution)
Create challenging coding test cases and refine tasks based on production codebases
Write comprehensive functional tests validating end-to-end behavior and edge cases
Analyze AI failures, iterate based on expert QA feedback across 7 quality criteria
CS/Software Engineering degree or equivalent
5+ years in software development, Python focus
Full-Stack experience (React frontend + backend systems)
Experience writing functional and integration tests
Docker proficiency and local container evaluations
CI/CD understanding (GitHub Actions knowledge)
English proficiency at B2 level
Experience evaluating AI systems or creating AI-oriented test tasks
Strong debugging and reasoning across scattered codebases and external sources
Remote, project-based, non-permanent engagements
Compensation: paid contributions with rates up to $17/hour; project-based or fixe
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 isproject-based, not permanent employment.
What This Opportunity Involves
Review and refine realistic coding tasks based on provided production codebases with realistic scope, requirements and information sources Write comprehensive functional tests that validate actual end-to-end behavior and edge-cases, not just superficial checks Craft "fair but hard" challenges where the AI has all the context it needs, but has to work for it (information scattered across files and external sources, complex reasoning required) Analyze AI failures to understand what the model struggles with vs. what it masters Iterate based on feedback from expert QA reviewers who score your work on 7 quality criteria
What We Look For
Degree in Computer Science, Software Engineering or related fields 5+ years in software development, primarily Python (pytest, async/await, subprocess, file operations) Background in Full-Stack development, with an equal focus on building React-based interfaces and robust Back-end systems Experience writing tests (functional, integration - not just running them) Docker containers (running evaluations locally in containers)
CI/CD understanding (GitHub Actions as a user: triggers, labels, reading results) English proficiency - B2
How It Works
Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid
Effort estimate
Tasks for this project are estimated to take 20 hours to complete, depending on complexity. This is an estimate and not a schedule requirement; you choose when and how to work. Tasks must be submitted by the deadline and meet the listed acceptance criteria to be accepted.
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