9 days ago

Freelance Mathematics Expert

Braintrust

Hybrid
Full Time
$120,000
Hybrid

Job Overview

Job TitleFreelance Mathematics Expert
Job TypeFull Time
CategoryCommerce
Experience5 Years
DegreeMaster
Offered Salary$120,000
LocationHybrid

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Job Description

Freelance Mathematics Expert at Braintrust

This project involves reviewing AI-generated responses, evaluating the reasoning quality and step-by-step problem-solving, and providing expert feedback that helps models produce answers that are accurate, logical, and clearly explained.

Project Overview & Responsibilities

  • Assess solutions for accuracy, clarity, and adherence to the prompt.
  • Identify errors in calculations, methodology, or conceptual understanding.
  • Fact-check quantitative information across multiple sources.
  • Write high-quality mathematical explanations and model solutions that demonstrate correct methods.
  • Rate and compare multiple AI responses based on mathematical correctness and reasoning quality.

Hiring Profile & Qualifications

  • Holds (or is pursuing) a BS, MS, or PhD in Math/Stats or a related field.
  • Expert at fact-checking information using public sources across multiple domains.
  • Communicates mathematics clearly and can turn advanced theory into real-world solutions.
  • English proficiency C1 and above with excellent writing skills.
  • Background in research, analytical writing, debate, programming, or mathematics is preferred.
  • Bonus: Data labeling, RLHF, or AI model evaluation experience.

Application & Onboarding Process

  • Apply via partner site - Braintrust will send you an email with detailed instructions.
  • Qualification exam (1–2 hours): evaluates your role-specific expertise. Compensation provided upon passing.
  • Project exam (1–2 hours): evaluates your adherence to project guidelines and ability to produce math-specific deliverables. Compensation provided upon passing.

Commitment

We expect a minimum of 17–20 hours per week; however, considering the project scope and timelines, the preferred and recommended commitment would be 8 hours/day.

Compensation

Compensation is competitive and varies based on education level, institution, and prior experience.

Key skills/competency

  • Mathematical reasoning
  • AI model evaluation
  • Problem-solving
  • Fact-checking
  • Analytical writing
  • Quantitative analysis
  • Statistics
  • Research
  • Data labeling
  • English proficiency

Tags:

Mathematics Expert
AI evaluation
mathematical reasoning
problem-solving
fact-checking
analytical writing
quantitative analysis
statistical analysis
feedback generation
model solution
error identification
AI
Machine Learning
Natural Language Processing
Large Language Models
RLHF
Data labeling
Python
Statistics Software
Generative AI

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How to Get Hired at Braintrust

  • Research Braintrust's culture: Study their mission as a decentralized talent network, values, and community engagement.
  • Tailor your resume for AI evaluation: Highlight experience in mathematics, statistics, analytical writing, and AI model interaction.
  • Showcase your math expertise: Provide specific examples of problem-solving, fact-checking, and clear explanation of complex mathematical concepts.
  • Prepare for rigorous technical exams: Expect comprehensive assessments on role-specific math expertise and adherence to project guidelines.
  • Emphasize freelance adaptability: Demonstrate your ability to manage remote work, meet commitment expectations, and contribute effectively as an independent contractor.

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