Lead Prompt Engineer: Strategic LLM Migration

Are you a veteran of the AI landscape with a Doctorate or Master's and a track record of shaping LLM performance? Welo Data is seeking a Lead Prompt Engineer to spearhead the technical migration of template architectures into state-of-the-art LLM autoraters. This is a high-stakes leadership role. You will not only engineer complex prompts but also guide a specialized team, drive the migration strategy, and certify the launch readiness of our next-generation AI solutions. The Mission: Leading the AI Evolution Strategic Oversight: Manage the full end-to-end technical migration workflow, ensuring a seamless transition from human-rated templates to automated LLM systems. Team Mentorship: Guide a team of engineers through the complexities of parent-child template clusters and automated optimization. Advanced Optimization: Direct the use of APG and APO tools, providing the high-level intervention needed when automated systems reach plateaus. Launch Certification: Take final responsibility for accuracy metrics, running prompt versions against gold data to verify $F_1$ scores, precision, and recall. Edge-Case Resolution: Architect manual prompt strategies to solve the most difficult "anti-patterns" in legacy architectures. Project Details Schedule: Part-Time (Flexible hours within project milestones) Location: 100% Remote ( Must be based in the United States ) Employment Type: Freelance / Independent Contractor Duration: Long-term technical migration project The Executive Profile Elite Expertise: At least 7 years of experience as a Prompt Engineer with a proven history of tuning LLMs for structured outputs and complex classification. Advanced Academic Background: Master’s or Doctorate (PhD) in Computer Science, Computational Linguistics, HCI, or a related analytical field. Data Mastery: Strong proficiency in SQL and deep-dive error pattern analysis to monitor and enhance model performance. Technical Agility: Expert-level ability to master proprietary tools and enterprise-grade interfaces like the Goose API . Leadership Excellence: A natural mentor with the verbal and written communication skills required to justify technical launches to stakeholders. Preferred High-Level Skills Experience in software engineering or AI model evaluation at an enterprise scale. Deep linguistic expertise, specifically in semantics and formal logic. Hands-on experience with Chain-of-Thought (CoT) and shadowbot disagreement tracking.