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

Remote Full-time
We are seeking a Lead Prompt Engineer to be responsible for the end-to-end technical migration workflow for transitioning templates to LLM autoraters. The role is required to use client’s internal tools to leverage prompt engineering techniques to maximize model performance.

Responsibilities:
• Utilize Automatic Prompt Generation (APG) tools to create baseline prompts for complex parent-child template clusters.
• Run and supervise Automated Prompt Optimization (APO) tool, review the outputs, and flag when the APO reaches deadlocks or plateaus.
• Manually draft, test, and refine prompts to navigate complex template architectures, overcome anti-patterns, and handle edge cases where tooling is lacking or broken. Solve edge-case scenarios by designing and refining manual prompts.
• Monitor shadowbot runs to ensure sufficient disagreements (between human and LLM ratings) are registered, generated, and tracked.
• Run prompt versions against established gold data to continuously measure autorater quality against the human crowd baseline, calculating accuracy metrics such as F1 scores, precision, and recall.
• Draft technical launch readiness justifications (Launch Certification Documentation) for final.

Requirement:
• Language Skills: Native fluency in English.
• Location: Must be based in United States.
• Education: Master’s, or Doctorate degree in Computer Science, Data Science, Computational Linguistics, Human-Computer Interaction (HCI), Cognitive Science, or a related analytical field.
• Prompt Engineering & AI Expertise: At least 7 years' experience as Prompt Engineer. Proven experience tuning Large Language Models (LLMs) for strict, structured outputs, complex classification tasks, and familiarity with chain-of-thought and few-shot learning.
• Data Analysis: Strong proficiency in identifying error patterns, analyzing model performance, and using SQL or other data analytics tools.
• Technical Agility: Ability to quickly learn and master proprietary tools with minimal supervision.
• Communication: Excellent verbal and written communication skills.

Optional / Preferred Skills:
• Familiarity with enterprise-grade LLM interfaces like the Goose API.
• Experience in AI model evaluation, data science, computational linguistics, or software engineering.
• Hands-on experience with Automated Prompt Optimization (APO) systems or tuning workflows.
• Linguistic expertise, including an understanding of semantics and logic.

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.

To know more details (Click here)

Apply tot his job

Apply To this Job
Apply Now

Similar Opportunities

Experienced Registered Behavior Technician for In-Home ABA Therapy - Atlanta, GA

Remote Full-time

Immediate Hiring: Experienced Registered Behavioral Technician (RBT) for Clinic-Based ABA Therapy Services

Remote Full-time

Experienced Registered Behavioral Technician (RBT) - ABA Therapy for Children with Autism Spectrum Disorder

Remote Full-time

Experienced Registered Nurse - Telehealth: Providing Remote Care Coordination and Patient Support

Remote Full-time

Experienced Substitute Teacher for Riverside County Schools - Join Scoot Education's Innovative Team

Remote Full-time

Experienced Substitute Teacher for San Bernardino County - Flexible Schedules & Competitive Pay

Remote Full-time

Experienced School Year Instructional Coach for High-Dosage Tutoring Programs in Edgewater Park, NJ

Remote Full-time

Experienced School Year Tutor for K-8 Students in Math and Literacy - Mickleton, NJ

Remote Full-time

Experienced Secondary Social Studies Teacher for Kansas - Flexible Hybrid Remote Arrangement

Remote Full-time

USPS Office Helper

Remote Full-time

Part-Time Remote Data Entry Specialist for Delta Airlines - Flexible Schedule, Competitive Pay

Remote Full-time

Principal Tech Product Consultant -ServiceNow

Remote Full-time

Hyperscalers & Commercial Lead

Remote Full-time

**Experienced Customer Support Agent – Delivering Exceptional Service in a Dynamic Trading Card Marketplace**

Remote Full-time

Experienced Amazon Seller Chat Agent – Full-Time Remote Work Opportunity with Flexible Hours and Competitive Pay

Remote Full-time

Freelance Graphic Designer

Remote Full-time

e4health - CDI Consultant - Second Level Review (SLR)- $1000 sign-on bonus!

Remote Full-time

Experienced Part-Time Retail Team Member - Customer Service, Sales, and Operations at CVS Health

Remote Full-time

Agile Project Manager (Remote, LATAM)

Remote Full-time

Principal Content Strategist, New Initiatives

Remote Full-time
← Back to Home