Expert Opportunity - Lead Data Scientist ($100/hr, up to $2,000/week)

Ethos; Toronto; Remote; CAD 117,000 - 158,000; Part time

Job summary

Ethos is seeking experienced data scientists and ML engineers to help train a leading language model on data science documentation tasks. This role targets practitioners with 4+ years of experience to review and assess documents, judging whether the content and structure reflect what professionals encounter in day-to-day practice. Compensation is $100/hour with a flexible commitment up to 20 hours per week.

Location: fully remote. Start date: ASAP.

Qualifications

• 4+ years of experience as a data scientist or ML engineer.
• Hands-on familiarity with the documents your team writes and reviews.
• Excellent written communication and attention to detail.

Responsibilities

• Review and assess documents for content relevance and accuracy.
• Judge whether content and structure reflect day-to-day data science practice.
• Collaborate with researchers on data science documentation tasks.

Skills

Data science exp

Python

SQL

Experimentation

No AI experience needed

Job description

About the role

We're working with a leading foundational AI lab to find experienced data scientists and ML engineers who can help train their latest language model on data science documentation tasks. We're looking for practitioners with 4+ years of experience to review and assess documents - judging whether the content and structure of each reflect the material they would genuinely encounter in day-to-day data science practice.

About This Opportunity

About the role

We're working with a leading foundational AI lab to find experienced data scientists and ML engineers who can help train their latest language model on data science documentation tasks. We're looking for practitioners with 4+ years of experience to review and assess documents - judging whether the content and structure of each reflect the material they would genuinely encounter in day-to-day data science practice.

Compensation: $100/hour

Commitment: Flexible, up to 20 hours/week

Location: Fully remote

Start date: ASAP

Qualifications

• 4+ years of experience as a data scientist or ML engineer
• Current, hands‑on familiarity with the documents your team writes and reviews
• Excellent written communication and attention to detail

About Ethos

Ethos is an expert network backed by Andreessen Horowitz and General Catalyst, built to match professionals to economic opportunities in the age of AI. You create one Ethos profile, and we match you to paid opportunities across expert calls, market research, AI training projects, and full‑time roles - so even if this particular opportunity isn't the right fit, your profile keeps working for you and unlocks additional engagements over time. Learn more at askethos.com.

Key Requirements

• 4+ years in data science
• Python and SQL fluency
• Experience with modeling and experimentation
• No AI experience needed