United States Remote (Country)

Welo Global is hiring a Project Lion - Senior Prompt Engineer - United States (Remote, Part-Time)

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.

Requirements

  • Language Skills: Native fluency in English.
  • Location: Must be based in United States.
  • Education: Bachelor’s, 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 4 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.

Nice to Have

  • 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.

Additional Information

  • 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.
Required Skills
chain-of-thoughtfew-shot learning.identifying error patternsanalyzing model performanceusing SQL or other data analytics toenterprise-grade LLM interfaces like theAI model evaluationdata sciencecomputational linguisticsor software engineering.Automated Prompt Optimization chain-of-thoughtfew-shot learning.identifying error patternsanalyzing model performanceusing SQL or other data analytics toenterprise-grade LLM interfaces like theAI model evaluationdata sciencecomputational linguisticsor software engineering.Automated Prompt Optimization
About company
Welo Global
Welo Global delivers enterprise localization, AI training data, multilingual content solutions, and IP expertise through a portfolio of specialized global brands. ISO-certified. AI-enabled. Built for scale.
All jobs at Welo Global Visit website
Job Details
Department Welo Data - AI Services – Data Validation
Category other
Posted 2 months ago