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Senior Software Engineer ($100/hr, up to $2,000/week)

Ethos | , , spain, Spain | Posted June 02, 2026

Position Overview

Note: This is a flexible, part-time opportunity that is 5-20 hours per week at $75 per hour (up to $1.5k/week). It can be done remotely and can be done both alongside or instead of full-time employment.

We're working with a leading foundational AI lab to find experienced software engineers who can help train their latest language model on software development tasks.

We're looking for Senior and Staff engineers with 5+ years at top technology companies to create, evaluate, and refine AI-generated work across core software engineering workflows: system design, code review, algorithm implementation, architecture documentation, debugging, and technical writing.

Compensation: $100/hour

Commitment: Flexible, up to 20 hours per week (up to $2k/week)

Location: Fully remote, work on your own schedule

Qualifications:

  • Senior or Staff Software Engineer with 5+ years at a top technology compa...

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