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Senior Prompt Engineer: LLM Migration & Optimization open_in_new
explore Remote , United States
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DESCRIPTION
Are you an expert at navigating the complex architecture of Large Language Models? Welo Data is seeking a Senior Prompt Engineer to lead the technical migration of template workflows into high-performance LLM autoraters.
This role is designed for a technical specialist who understands that "perfecting a prompt" is a rigorous engineering discipline. You will leverage advanced APG/APO tools and manual refinement to ensure our automated systems meet—and exceed—human crowd baselines in accuracy and nuance.
The Mission: Automated Quality at Scale
- Architectural Migration: Take full ownership of the end-to-end technical migration of templates to LLM autoraters.
- Optimization Leadership: Utilize Automatic Prompt Generation (APG) and supervise Automated Prompt Optimization (APO) tools to push model performance past plateaus and deadlocks.
- Metrics-Driven Excellence: Continuously measure quality against "gold data" baselines, tracking precision, recall, and $F_1$ scores to justify launch readiness.
- Edge-Case Engineering: Manually draft and refine complex prompts to overcome anti-patterns and architecture gaps that automated tools can't solve.
Project Details
- Job Title: Senior Prompt Engineer (LLM Migration)
- Schedule: Part-Time (Set your own hours within project milestones)
- Location: 100% Remote (Must be based in the United States)
- Employment Type: Freelance / Independent Contractor
Candidate Profile
- Educational Foundation: Bachelor’s, Master’s, or PhD in Computer Science, Data Science, Computational Linguistics, or a related analytical field.
- Prompt Engineering Mastery: 4+ years of experience tuning LLMs for strict, structured outputs, complex classification, and few-shot learning.
- Analytical Power: High proficiency in identifying error patterns and using SQL or data analytics tools to monitor performance.
- Technical Agility: Fast learner capable of mastering proprietary internal tools and "Goose API" style interfaces with minimal oversight.
Preferred Technical Skills
- Familiarity with shadowbot monitoring and disagreement tracking.
- Experience in AI model evaluation and software engineering.
- Deep understanding of semantics, logic, and Chain-of-Thought (CoT) prompting.
- Proven ability to draft high-level Launch Certification Documentation.
Recruitment & Onboarding
- Technical Review: Submit your CV and portfolio of LLM optimization work.
- Prompt Assessment: Demonstrate your ability to navigate complex template clusters and APO deadlocks.
- Tooling Deep-Dive: Get access to our internal technical suite and migration workflows.
- Launch: Begin your part-time engagement and lead the shift to LLM-driven autorating.