Postdoctoral Researcher (Remote | $80 –$130/hr)

Synthires; Greater London; On-site; GBP 67,000 - 103,000; Part time

Job summary

Synthires in the United Kingdom invites PhD-qualified STEM researchers to contribute to advanced AI evaluation projects. This hourly, part-time contract focuses on designing domain-specific problems and developing high-quality reference solutions to strengthen AI reasoning across STEM disciplines.

You will review AI-generated responses for technical accuracy, provide expert feedback, and document methodologies.

Qualifications

• PhD in STEM with strong research background.
• Undergraduate degree from US/UK/Canada/Europe/India.
• Excellent analytical, problem-solving, and critical-thinking skills.
• Strong written and verbal communication in English.
• Exceptional attention to detail and commitment to technical accuracy.

Responsibilities

• Create high-quality, domain-specific problems and reference solutions within your area of expertise.
• Review and evaluate AI-generated responses for technical accuracy, reasoning, and scientific validity.
• Provide expert feedback to improve the performance of advanced AI systems.
• Collaborate with AI researchers and fellow subject matter experts to refine evaluation quality.
• Document methodologies, assumptions, and evaluation findings clearly and accurately.
• Contribute to the development of high-quality datasets that improve AI reasoning across STEM disciplines.

Skills

Analytical skills

Problem-solving

English communication

Attention to detail

Research background

Education

PhD in STEM field

Undergraduate degree in US/UK/Canada/Europe/India

Job description

Engagement Type: Hourly Contract (Part-Time)

Compensation: $65 –$100/hour

Commitment: 10–20 hours per week (flexible up to 40 hours per week)

About the Opportunity

This opportunity is for STEM PhD professionals interested in contributing to advanced AI research and evaluation projects. The role involves applying deep academic and research expertise to help improve the reasoning, accuracy, and scientific capabilities of next-generation AI systems.

You will design domain-specific problems, evaluate AI-generated responses, and develop high-quality reference solutions that strengthen how large language models (LLMs) reason across scientific and engineering disciplines.

Ideal Qualifications

• PhD in a STEM discipline, including:
• Mechanical Engineering
• Chemical Engineering
• Electrical Engineering
• Biology
• Physics
• Mathematics
• Computer Science
• Or a closely related STEM field
• Undergraduate degree completed in the United States, United Kingdom, Canada, Europe, or India.
• Strong research background with deep subject matter expertise.
• Excellent analytical, problem-solving, and critical-thinking skills.
• Strong written and verbal communication skills in English.
• Exceptional attention to detail and commitment to technical accuracy.

Responsibilities

• Create high-quality, domain-specific problems and reference solutions within your area of expertise.
• Review and evaluate AI-generated responses for technical accuracy, reasoning, and scientific validity.
• Provide expert feedback to improve the performance of advanced AI systems.
• Collaborate with AI researchers and fellow subject matter experts to refine evaluation quality.
• Document methodologies, assumptions, and evaluation findings clearly and accurately.
• Contribute to the development of high-quality datasets that improve AI reasoning across STEM disciplines.

Compensation

• Competitive compensation of $65 –$100/hour.
• Weekly payments.