For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
L
Leo C.

Leo C.

Prompt Engineer / AI model trainer (RAG and LLM prompt engineering)

China flagMa'anshan, China

Key Skills

Software

No software listed

Top Subject Matter

Power grid operations
technical domain knowledge management

Top Data Types

TextText

Top Task Types

Text GenerationText Generation
Text SummarizationText Summarization
Data CollectionData Collection

Freelancer Overview

Prompt Engineer / AI model trainer (RAG and LLM prompt engineering). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, Ma'anshan University (2024) and Associate Degree, Anhui Business College (2022). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

Labeling Experience

Prompt Engineer / AI model trainer (RAG and LLM prompt engineering)

TextTextPrompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Worked on designing, engineering, and optimizing prompts to enable large AI models to perform accurate attribution analysis and generate coherent responses. Applied RAG (Retrieval-Augmented Generation) technology to improve the quality and relevance of generated answers in specialized domains like power grid operations and knowledge management. Leveraged Qwen-72B and BGE-M3 models for natural language understanding, function calling, and workflow orchestration in production systems. • Developed and tested prompts for question answering and attribution tasks leveraging domain-specific data. • Conducted evaluation and tuning of model responses to ensure relevance and accuracy in specialized technical workflows. • Iteratively improved labeling workflows using user Q&A logs and feedback for enhanced model performance. • Collaborated to build and maintain internal tools for prompt engineering and real-time model evaluation.

2022 - 2024

Education

M

Ma'anshan University

Bachelor of Science, Software Engineering

Bachelor of Science
2022 - 2024
A

Anhui Business College

Associate Degree, Software Technology

Associate Degree
2019 - 2022

Work History

S

State Grid

Java Backend Developer

Ma'anshan
2022 - 2024