All roles

Open role

Mathematics Expert - (Ecuador)

Remote · Portugal Full-time

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

More open positions

Mathematics Expert - (Chile)

Work from home Full-time role

Mathematics Expert - (Argentina)

Work from home Full-time role

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

Work from home Full-time role

PROGRAM MANAGER/PROJECT MANAGER

Work from home Full-time role

Mathematics AI Training Expert (Peru)

Work from home Full-time role

UX/UI Designer

Work from home Full-time role

Remote Live Chat Support Specialist – Customer Engagement & E‑Commerce Assistance for careerzynith (Work‑From‑Home)

Work from home Full-time role

[Remote] Senior Process Associate for US institutional Retirement Contact Centre.

Work from home Full-time role

Research Scientist, Benchmarks & Evaluations

Work from home Full-time role

[Remote] AI-Native Software Engineer

Work from home Full-time role

Remote Online Chat Support Specialist – No Experience Required – Join careerzynith’s Global Customer Experience Team

Work from home Full-time role

Experienced Director, Customer Service – Strategic Process Development and Leadership

Work from home Full-time role

Part-Time Remote Data Entry Specialist – Flexible Schedule with careerzynith, Leading Global Airline

Work from home Full-time role

AWS Cloud Engineer

Work from home Full-time role

Remote Environmental Health and Safety Coordinator

Work from home Full-time role

Senior Accountant - Marketing

Work from home Full-time role

Payroll Specialist – Work at Home – Ohio

Work from home Full-time role

Manager, Business Systems

Work from home Full-time role

[Remote] Director, Business Development & Sales – Financial Services (Credit Unions)

Work from home Full-time role

Finance Expression of Interest Form

Work from home Full-time role

Graphic Designer

Work from home Full-time role