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

We're looking for financial controllers with 5+ years in corporate accounting, financial operations, or audit support to create, evaluate, and refine AI-generated documents, spreadsheets, and slide decks across core workflows: monthly close reconciliations and journal entry packages, audit request schedules and PBC documentation, accounts payable and receivable aging reports, budget-to-vigente variance summaries, internal control walkthroughs and SOX testing memos, and vendor and expense audit trail spreadsheets.

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

- 5+ years in corporate accounting, financial operations, or internal/external audit support, with hands‐on ownership of close reconciliations and audit request schedules
- Deep fluency in GAAP, PBC documentation standards,



and spreadsheet‐based control testing (Excel/Google Sheets, pivot tables, VLOOKUP/XLOOKUP, macros)
- 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

- 5+ years in corporate accounting, financial operations, or internal/external audit support, with hands‐on ownership of close reconciliations and audit request schedules
- Deep fluency in GAAP, PBC documentation standards, and spreadsheet‐based control testing (Excel/Google Sheets, pivot tables, VLOOKUP/XLOOKUP, macros)
- Expert‐level document, spreadsheet, and slide craftsmanship, with excellent written communication and attention to detail

📌 Expert opportunity - financial controller ($80/hr, up to $1,600/week) (España)
🏢 ETHOS
📍 España