Postdoctoral Researcher – STEM (Remote | $60–$120/hr)

Synthires; United States; Remote; USD 83,000 - 165,000; Part time

Job summary

Synthires is seeking a STEM Expert (MSc./PhD) for remote, part-time contractor work to support AI training through technical problem-solving, scientific reasoning, data analysis, and Python-based workflows. Candidates bring deep expertise in at least one STEM field and fluency with Python.

You will review AI-generated solutions, identify incorrect assumptions and errors, perform calculations or simulations, and provide rigorous, technically accurate feedback. Immediate availability preferred.

Qualifications

• Deep expertise in at least one STEM field such as chemistry, biology, mathematics, physics, geoscience, environmental science, or robotics.
• Proficient in Python or another programming language for computations and data analysis.
• Strong scientific and mathematical problem-solving abilities with attention to detail.

Responsibilities

• Solve complex scientific, mathematical, and technical problems within your area of expertise.
• Review AI-generated solutions for scientific, mathematical, and factual accuracy.
• Identify incorrect assumptions, reasoning errors, and overlooked constraints.
• Use Python or other programming languages for calculations, simulations, and validation.
• Provide rigorous, technically accurate solutions and feedback.

Skills

STEM expertise

Python proficiency

Quantitative problem solving

Coding agents experience

Education

MSc/PhD in STEM field

Tools

NumPy

SciPy

Pandas

SymPy

Jupyter

Job description

STEM Expert (MSc./PhD) (Remote | $60-$120/hr)

Position: STEM Expert (MSc./PhD)

Type: Contractor (Part-Time, approximately 15 hours/week)

Compensation: $60-$120/hour

Location: Remote (Worldwide)

About the Opportunity

This opportunity is for STEM and scientific-domain experts to contribute to AI training through technical problem-solving, scientific reasoning, data analysis, and Python-based workflows. Candidates need deep expertise in at least one relevant scientific or quantitative field; expertise across all STEM disciplines is not required.

Key Responsibilities

• Solve complex scientific, mathematical, and technical problems within your area of expertise.
• Review AI-generated solutions for scientific, mathematical, and factual accuracy.
• Identify incorrect assumptions, reasoning errors, and overlooked constraints.
• Use Python or other programming languages for calculations, simulations, and validation.
• Provide rigorous, technically accurate solutions and feedback.

Required Qualifications

• Strong expertise in at least one STEM field, such as chemistry, biology, mathematics, physics, geoscience, environmental science, or robotics.
• Practical proficiency in Python or another programming language.
• Strong scientific, mathematical, or quantitative problem-solving skills.
• Experience using coding agents in technical workflows.

Preferred Qualifications

• Familiarity with scientific tools such as NumPy, SciPy, pandas, SymPy, Jupyter, or relevant domain-specific libraries.
• Relevant expertise gained through academic research, industry, teaching, engineering, or independent technical work.

Compensation

• $60-$120/hour, with output-based payment for tasks meeting project specifications.
• Approximately 15 hours per week with a flexible schedule.
• Immediate availability preferred; first task expected within 24-48 hours after onboarding.