Back to Jobs

Mathematics Expert - (Brazil)

Remote, USA Full-time Posted 2026-06-25

Help shape the future of AI by designing challenging math problems that test and improve reasoning in cutting-edge models. Location: Remote Type: Contract / Part-time Commitment: 20 hours per week Compensation: Up to 40 USD / hr Project duration: 2 months, with potential extension Availability: Immediate start About the role We create high-quality STEM training data for frontier AI models. Our data is used directly in training and evaluation pipelines at leading AI labs to improve model reasoning in technical domains. We are looking for experts in Mathematics to design rigorous, deterministic problems that are genuinely challenging for state-of-the-art AI systems. Each problem must have exactly one verifiable correct answer and be submitted together with a complete, verified solution. What you’ll do Design advanced mathematical problems for frontier AI training and evaluation Create deterministic problems with exactly one correct answer Write complete, verified solutions and clearly document the reasoning process Develop problems that test deep mathematical reasoning, not just memorization Where relevant, use Python or specialized tools to build computational workflows Ensure all outputs are technically precise, reproducible, and well-written in English What we’re looking for Master’s or PhD in Mathematics or a closely related field Strong research or industry experience involving mathematical modeling, proof-based reasoning, applied mathematics, or computational mathematics Strong Python skills; comfort with libraries such as numpy, scipy, pandas, or similar Solid grasp of algorithms, numerical methods, and computational approaches Ability to design original, difficult problems that mirror real mathematical workflows Excellent attention to detail and technical writing skills in English Nice to have Experience with symbolic math systems, theorem provers, optimization solvers, or other mathematical software Background in olympiad-level, graduate-level, or research-level problem design Experience evaluating model reasoning, benchmarking, or technical assessment design Apply To This Job

Similar Jobs

Mathematics Expert - (Ecuador)

Remote, USA Full-time

Mathematics Expert - (Chile)

Remote, USA Full-time

Mathematics Expert - (Argentina)

Remote, USA Full-time

Senior Sales Manager, K4B (Remote US - West Coast)

Remote, USA Full-time

PROGRAM MANAGER/PROJECT MANAGER

Remote, USA Full-time

Mathematics AI Training Expert (Peru)

Remote, USA Full-time

Mathematics Expert - (Uruguay)

Remote, USA Full-time

Customer Support Specialist - English (Evening/Overnight)

Remote, USA Full-time

IT & Security Engineer

Remote, USA Full-time

Compliance Governance Director

Remote, USA Full-time

Experienced Customer Service Representative – Full-Time – Competitive Salary at arenaflex

Remote, USA Full-time

Senior Machine Learning Engineer - Content ML (AU remote)

Remote, USA Full-time

Experienced Aircraft Fleet Engineer L2 – A319/A320/A321 Technical Operations Specialist

Remote, USA Full-time

Customer Service Representative I – Frontline Banking Operations & Client Relationship Specialist

Remote, USA Full-time

Remote, Senior Azure Engineer - Full Time (Candidates must be located in EST/CST Time Zone)

Remote, USA Full-time

Experienced Remote Data Entry Specialist – Sustainable Energy & Innovation Sector | Work From Home Opportunity with arenaflex

Remote, USA Full-time

Senior Claims Adjuster, Large Loss

Remote, USA Full-time

Experienced Customer Support Representative - Music Industry Expert (Remote)

Remote, USA Full-time

Experienced Customer Service Representative – Work From Home Opportunity at arenaflex

Remote, USA Full-time

Remote Social Media Customer Support Coordinator – Platform Distribution Operations (Work‑From‑Home) at arenaflex

Remote, USA Full-time