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Project Lion - Senior Prompt Engineer - France (Remote, Part-Time)

WelocalizeFranceData Validation
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Salary
Not listed
Job type
Freelance
Work mode
Remote
Posted
16 Mar 2026
Status
Open · checked 9d ago

About this role

Enterprise AI Training Data & Human seeks a freelance Senior Prompt Engineer based in France to work remotely on a part-time basis. This role suits professionals experienced in prompt engineering who want to handle template migration workflows using advanced large language models.

Role Overview

The Senior Prompt Engineer will manage the entire technical migration workflow for moving existing templates over to LLM autoraters. Operating within the Data Validation department, the specialist will utilize proprietary internal systems to optimize prompt techniques and achieve peak model performance.

Key Responsibilities

Oversee the complete technical migration workflow for transitioning templates to LLM autoraters.
Utilize specific internal platforms provided by the client.
Apply specialized prompt engineering strategies to drive maximum model efficiency and output quality.

Skills and Tools

LLM
Prompt Engineering
Technical Migration

About the Company

Enterprise AI Training Data & Human operates in the artificial intelligence sector, providing specialized training data and human-in-the-loop validation services.

How to Apply

Interested candidates should visit the official company careers page at welodata.ai to submit their application for this freelance remote position.

Skills and tech stack

Questions candidates ask

What is the employment type for this role?

This position is offered on a freelance, part-time basis.

Where is the position located?

The job is based in France and can be performed fully remotely.

What are the primary responsibilities?

The prompt engineer manages the end-to-end technical migration workflow for transitioning templates to LLM autoraters and uses internal tools to maximize model performance.

Which department manages this position?

This role falls under the Data Validation department.

How can I apply for this job?

Candidates must apply directly on the official company careers page at welodata.ai.

Ready to apply?

The application is on the official Welocalize careers page.

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