Freelance Mathematics Expert - AI Trainer

Mindrift; Valencia; Hybrid; EUR 28,494 - 40,582; Part time

Job summary

Mindrift is offering project-based AI opportunities in Valencia, Spain. Ideal for mathematicians seeking part-time, non-permanent projects. Responsibilities include designing mathematics problems, evaluating AI solutions, and improving AI reasoning.

Candidates should have a degree in Mathematics, over 2 years of professional experience, and strong written English skills. Compensation is up to $29 per hour based on contribution level. Professional certifications are a plus.

Qualifications

• Minimum of 2 years professional experience, both applied and research/teaching applicable.
• Professional certifications such as CMME, SAS Certifications, CAP are advantageous.

Responsibilities

• Design rigorous mathematics problems reflecting professional practice.
• Evaluate AI solutions for correctness, assumptions, and constraints.
• Improve AI reasoning to align with industry-standard logic.
• Apply structured scoring criteria to multi-step problems.

Skills

Professional experience in Mathematics

Strong written English (C1+)

Education

Degree in Mathematics or related fields

Job 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;
• 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 open to part-time, non-permanent projects. Ideally, contributors will have:

• Degree in Mathematics or related fields.
• 2+ years of professional experience – both applied and research/teaching are applicable.
• Strong written English (C1+).

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.

Compensation

On this project, contributors can earn up to $29 per hour equivalent, depending on their level and pace of contribution.

Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.