Mathematics Researcher (Python) - Freelance AI Trainer at Mindrift

Madrid, Community of Madrid, Spain -

Full Time

Start Date

Immediate

Expiry Date

06 Jun, 26

Salary

30.0

Posted On

08 Mar, 26

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Mathematics, Python, NumPy, Pandas, SciPy, AI System Evaluation, AI Reasoning Improvement, Problem Design, Calculation Validation, Simulation Validation, Structured Scoring, English Proficiency

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: Design rigorous mathematics problems reflecting professional practice; Evaluate AI solutions for correctness, assumptions, and constraints; Validate calculations or simulations using Python (NumPy, Pandas, SciPy); Improve AI reasoning to align with industry-standard logic; Apply structured scoring criteria to multi-step problems. What we look for This opportunity is a good fit for mathematicians with an experience in python open to part-time, non-permanent projects. Ideally, contributors will have: Degree in Mathematics or related fields, e.g. Algebra, Calculus, Number theory, etc. 3+ years of professional mathematics experience Strong written English (C1/C2) Strong Python proficiency for numerical validation Stable internet connection Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are an advantage. 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 be responsible for designing rigorous mathematics problems reflecting professional practice and evaluating AI solutions for correctness, assumptions, and constraints. They will also validate calculations or simulations using Python libraries and improve AI reasoning to align with industry-standard logic.