Mathematical Reasoning Expert | Remote

Crossing Hurdles; India; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

Crossing Hurdles in India seeks a PhD-level mathematician to design and solve challenging math problems that test the reasoning of large language models. The role focuses on producing clear, structured step-by-step solutions and high-quality annotations.

You will craft novel mathematical scenarios, deliver detailed feedback, and contribute to rigorous AI evaluation and quality assurance. Remote work not specified; collaboration with research teams is expected.

Qualifications

• PhD in Mathematics or equivalent with strong analytical and research skills.
• Strong foundation from undergrad to PhD-level math concepts.
• Ability to explain complex math with clear step-by-step reasoning.
• Experience in AI evaluation, data annotation or quality assurance preferred.

Responsibilities

• Design and solve challenging mathematics problems for LLM evaluation.
• Create clear, high-quality, step-by-step solutions with detailed reasoning.
• Develop novel mathematical scenarios to probe complex reasoning paths.
• Provide annotations and feedback to improve model performance.

Skills

Mathematics

Analytical thinking

Technical writing

Problem solving

Education

PhD in Mathematics

Job description

Commitment: 40 hours/week, with at least 4 hours overlap during PST business hours

Role Responsibilities

• Design and solve challenging Mathematics problems that test the reasoning and problem-solving capabilities of large language models.


• Create clear, high-quality, step-by-step solutions with detailed and well-structured reasoning.


• Develop novel mathematical scenarios that evaluate complex reasoning pathways and identify areas where AI models struggle.


• Provide detailed annotations and constructive feedback to improve model performance and evaluation quality.

Requirements

• PhD in Mathematics or an equivalent technical field with strong analytical, research, and problem-solving skills.


• Strong foundation in Mathematics, spanning advanced undergraduate through graduate and PhD-level concepts.


• Ability to break down complex mathematical concepts into clear, structured, step-by-step reasoning.


• Strong written communication skills with the ability to provide detailed feedback and annotations.


• Prior experience in AI evaluation, data annotation, content review, quality assurance, mathematical research, or related analytical roles is preferred.