Project Lion – Lead Prompt Engineer – United States (Remote, Part-Time)

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Welocalize
Published
March 16, 2026
Location
United States, United States of America
Category
Job Type

Job Description

We are looking for an experienced Lead Prompt Engineer to guide and manage a team through the full technical migration process, transitioning templates to LLM autoraters. In this role, you will leverage advanced prompt engineering techniques and the client’s internal tools to optimize model performance, ensuring the successful integration and ongoing enhancement of AI systems. As the team lead, you will drive the strategy, mentor junior engineers, and play a key role in shaping the future of our AI-driven solutions.

Federal Law Compliance   
   
In compliance with federal law, all persons hired will be required to:   
 
- Verify identity and eligibility to work in the United States; and   
- Complete a required employment eligibility verification form. 
 
Please note that in order to verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment.
 
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Key Skills
? Key Skills in dark blue have been inferred based on similar industry roles
Python SQL Prompt Engineering Machine Learning AI Systems Model Optimization Team Management LLM Strategy

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