CareerPlanSign in

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

United States🌐 Remote💼 Part-time🗓 2026-03-18 → 2026-09-26

Core

End-to-end technical migration of templates to LLM autoraters using prompt engineering to maximize model performance.

Role type

Prompt Engineer

Builds

LLM autorater systems for template evaluation

Domain

AI / Machine Learning / NLP

Deliverable

production ML models

Required skills

Prompt Engineering, Large Language Model (LLM) tuning, Chain-of-thought reasoning, Few-shot learning, Complex classification, Structured output generation, Edge case handling, Automated Prompt Generation (APG) tools, Automated Prompt Optimization (APO) tools, Shadowbot monitoring, Accuracy metric calculation (F1, precision, recall)

Responsibilities

Utilize APG tools to create baseline prompts for complex template clusters; Run and supervise APO tools, reviewing outputs and flagging deadlocks; Manually draft, test, and refine prompts to navigate complex architectures and handle edge cases; Monitor shadowbot runs to ensure sufficient disagreements are registered; Run prompt versions against gold data to measure autorater quality and calculate accuracy metrics; Draft technical launch readiness justifications.

Sourced via lever · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.