Expert Opportunity - Machine Learning Engineer ($80/hr, up to $1,600/week)

Ethos; Brasil; Remote; BRL 412,000 - 686,000; Part time

Job summary

Ethos is seeking experienced machine learning engineers to help train language models for professional documents, spreadsheets, and slide decks. The role focuses on creating, evaluating, and refining AI-generated documents across workflows like technical design, data pipelines, and API guides.

The position offers flexible, part-time hours (5–20 per week) and fully remote work, with an ASAP start date. Requires proven ability to craft high-quality technical documents and strong written

Qualifications

• 4+ years as a software, data, or AI/ML practitioner writing technical design documents.
• Experience evaluating model outputs and documenting tradeoffs for stakeholders.
• Excellent written communication with document, spreadsheet, and slide craftsmanship.

Responsibilities

• Create and refine AI-generated documents, spreadsheets, and slide decks for core workflows.
• Evaluate model outputs and assess system readiness for engineering teams.
• Document API specifications, data quality plans, and onboarding guides.

Skills

Docs writing

Model evaluation

Written communication

Job description

About This Opportunity

We're working with a leading foundational AI lab to find experienced machine learning engineers who can help train their latest language model on professional document, spreadsheet, and slide deck tasks.

About This Opportunity

We're working with a leading foundational AI lab to find experienced machine learning engineers who can help train their latest language model on professional document, spreadsheet, and slide deck tasks.

We're looking for machine learning engineers with 4+ years building software, AI/ML systems, or data infrastructure in a professional engineering or data role to create, evaluate, and refine AI-generated documents, spreadsheets, and slide decks across core workflows: technical design documents and architecture decision records, data pipeline and ETL documentation, model evaluation and AI system readiness reports, API specification and integration guides, data quality and validation test plans, and developer onboarding guides and system architecture diagrams.

Compensation: $80/hour

Commitment: Flexible, 5-20 hours per week (or more if desired)

Location: Fully remote, work on your own schedule

Start date: ASAP

Qualifications

• 4+ years as a software engineer, data engineer, or AI/ML practitioner writing technical design documents, data pipeline documentation, or API specifications
• Direct experience evaluating model outputs or system readiness and documenting technical tradeoffs for engineering or cross-functional stakeholders
• Expert-level document, spreadsheet, and slide craftsmanship, with excellent written communication and attention to detail

About Ethos

Ethos is a new expert network built by a McKinsey/SoftBank/DeepMind team and backed by world-leading investors like General Catalyst. We connect experts with investors and consultancies for paid expert calls, speaking engagements, and advisory opportunities.

Key Requirements

• 4+ years as a software engineer, data engineer, or AI/ML practitioner writing technical design documents, data pipeline documentation, or API specifications
• Direct experience evaluating model outputs or system readiness and documenting technical tradeoffs for engineering or cross-functional stakeholders
• Expert-level document, spreadsheet, and slide craftsmanship, with excellent written communication and attention to detail