Postdoctoral Research Scientist – STEM Part-Time 55 –$70/hr

Call For Referral
Toronto; Ontario, CA; US
Remote

Job Description

Postdoctoral Research Scientist - STEM (Part-Time | $55 -$70/hr)

Base pay range $55.00/hr - $70.00/hr

About the Role

Mercor is collaborating with a leading global AI research lab to engage STEM PhD experts for a high‑impact research initiative. In this role, you will apply your advanced academic expertise to help train and refine next‑generation AI systems. You'll design high‑quality, domain‑specific problems and analyses that improve the reasoning, accuracy, and depth of large language models (LLMs) across multiple STEM disciplines. This is a unique opportunity to shape how cutting‑edge AI models understand and replicate real‑world problem‑solving in scientific and engineering contexts.

Ideal Candidates

Hold a PhD in a STEM field such as Engineering (Mechanical, Chemical, Electrical), Biology, Chemistry, or Physics.

Completed undergrad studies in the U.S., U.K., Canada, Europe, or India.

Have a deep understanding of your field and enjoy tackling complex, research‑grade problems.

Possess strong written and verbal communication skills in English.

Demonstrate exceptional attention to detail and analytical rigor.

Key Responsibilities

Create high‑quality, domain‑specific problems and solutions in your field.

Collaborate with AI researchers via a private Slack workspace to refine content quality.

Review and evaluate AI‑generated responses for reasoning and accuracy.

Help develop data that strengthens the logic and precision of AI models.

Start Date: Immediate (rolling applications accepted)

Duration: 1-2 months (with potential extension)

Commitment: 10-20 hours/week (flexible up to 40 hours/week)

Schedule: Fully remote and asynchronous - work at your convenience.

Compensation & Contract Terms

Hourly Rate: $55-$70 USD/hour

Payments: Issued weekly via Stripe Connect

Application & Screening Process

Submit your resume to begin the application.

Interview & Form: Complete a short 20-30 minute session to share your academic background and expertise.

Onboarding: Accepted applicants will be added to a private collaboration channel with AI research leads.

⚡ PS: Mercor team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. ⚡

Skills & Requirements

Technical Skills

PythonReactNode.jsNestjsTypescriptGraphqlPostgresqlGcpGithubLeadershipCommunicationAttention to detailAnalytical rigorAwsCfaStemAiLlmsSecurityCompliance

Soft Skills

CommunicationAttention to detailAnalytical rigor

Domain Knowledge

AISTEMResearch

Salary

€55 - €70

hour

Employment Type

PART TIME

Level

Mid-Level

Posted

5/6/2026

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