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Senior Software Engineer - Python / TypeScript

Braintrust BrainTrust ContractCanada $100/hr
Posted Oct 3, 2026 · ✓ Still open — checked 1 hour ago

Quick facts

Pay
$100 / hour
Type
Contract
Location
Canada
Hours
20+ hours / week
Skills
Python, TypeScript
Platform
BrainTrust — 138 open jobs
Typical pay at BrainTrust
$15–100/hour · median $31 (121 jobs on our site)
Payout
Bank transfer, Wise, Stripe, USDC/USDT (when client pays invoice)
Apply
Free to apply — never pay to get AI training work
  • Rate: $100/hr
  • Hours: 20 hours / week
  • Experience: 5 - 10 years
  • Location: Jersey City, NJ, USA + 1 more

Help an AI research team turn expert engineering judgment into reliable evaluation workflows. In this contract role, you will combine software engineering with hands-on preference-data and rubric work.


What you will do

• Design and refine evaluation rubrics and preference-data criteria.

• Review examples with a high bar for quality, explaining subtle issues and tradeoffs.

• Build or maintain Python or TypeScript tooling and pipelines that support data collection and evaluation.

• Turn findings into concise, actionable write-ups for researchers and engineers.


What we are looking for

• At least five years of professional experience in Python, especially pipelines or infrastructure, or TypeScript in a large codebase.

• Hands-on experience collecting preference data or creating evaluation rubrics.

• Strong technical judgment and clear written and verbal communication.

• A current LinkedIn profile included on your resume


Engagement

• Remote contract for approximately three months, open to candidates in the United States or Canada.

• At least 20 hours per week, including four hours of daily overlap with Pacific Time.

• $100 per hour

• The selection process includes one approximately 30-minute technical and team conversation.

Company: Senior Software Engineer - Python / TypeScript
Location: Canada
Apply here: https://app.usebraintrust.com/r/eve125/

Braintrust is a talent network that matches freelancers and professionals with companies, including AI labs that need experts for training and evaluation work. Its AI recruiter handles screening.