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Mindrift • Madrid, Community of Madrid, Spain
Salary: $30 / hour
Role & seniority: Experienced software engineers and/or test automation specialists; part-time, non-permanent project-based work.
Stack/tools: Python (pytest, async/await, subprocess, file operations), Full-Stack experience (React frontend + robust backend), Docker, CI/CD (GitHub Actions). English proficiency at least B2.
Design and refine challenging coding test cases and comprehensive functional tests using realistic production codebases.
Validate end-to-end behavior and edge cases; ensure tests cover complex reasoning and information spread across sources.
Analyze AI failures, identify gaps, and iterate tasks based on expert QA feedback across 7 quality criteria.
Degree in Computer Science, Software Engineering, or related field
5+ years software development experience (Python-focused)
Full-Stack background (React + backend)
Experience writing functional and integration tests
Docker (local evaluation in containers)
CI/CD knowledge (GitHub Actions)
English proficiency at B2
Deeper React frontend experience; strong back-end reliability
Additional scripting and test automation tooling
Experience evaluating AI or ML systems
Location: Not specified
Work type: Part-time, project-based, non-permanent; paid contributions with rates up to $30/hour; project-based payment structure may include fixed rates or incentives.
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
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 $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.