Lan Tran
Arlington
Summary
Versatile and results-driven AI Training Specialist with 5 years of experience in machine learning data preparation, model fine-tuning, prompt engineering, and evaluation across diverse AI systems. Adept at collaborating with research, engineering, and product teams on independent and freelance projects, contributing to the development of high-performance AI models. Proven ability to adapt to evolving AI landscapes and deliver high-quality, human-centered training data.
Overview
5
5
years of professional experience
Work History
AI Training Consultant
Freelance / Independent AI Training Consultant
01.2020 - Current
- Worked with AI research labs, startups, and large tech clients to support the training and evaluation of machine learning models through human-in-the-loop systems and custom dataset creation.
- Developed and curated high-quality datasets for supervised and unsupervised training (text, image, and code domains).
- Engineered and evaluated prompts for large language models (LLMs) across generative and classification tasks.
- Participated in reinforcement learning with human feedback (RLHF) pipelines by ranking and scoring model outputs.
- Provided linguistic and conceptual QA on model outputs for alignment with intended behavior.
- Collaborated on multilingual and domain-specific training projects in healthcare, finance, and customer service.
- Selected Clients & Projects
- Confidential LLM Lab: Contributed to prompt evaluation for English-language LLM benchmarking.
- Startup (Healthcare AI): Built medical question-answer pairs for LLM training with emphasis on accuracy and empathy.
- AI Ethics Research Group: Provided model bias analysis and ethical evaluations on generated outputs.
Education
Bachelor of Science - Computer Science
University of Virginia
Charlottesville, VA05.2019
Skills
- Data annotation & labeling (text, image, audio)
- Prompt engineering & evaluation
- LLM fine-tuning and RLHF workflows
- Quality assurance and data auditing
- Natural language processing (NLP)
- Cross-functional collaboration
- Python
- PyTorch
- Hugging Face
- OpenAI API
- Remote & asynchronous workflows
Additional Information
Eligible to work in the U.S. without sponsorship, Comfortable working across multiple time zones and remote teams, Passionate about responsible AI development and human-AI collaboration
Certifications Professional Development
- OpenAI Prompt Engineering Course, 2023
- DeepLearning.AI - Natural Language Processing Specialization, 2021
- Fast.ai Practical Deep Learning, 2020
Timeline
AI Training Consultant
Freelance / Independent AI Training Consultant
01.2020 - Current
Bachelor of Science - Computer Science
University of Virginia
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