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Xiaochen L.

Xiaochen L.

AI Engineer Intern - LLM Response Evaluation (ArchBlock)

USA flagNew York, Usa

Key Skills

Software

No software listed

Top Subject Matter

Ai/nlp Domain Expertise
Financial Data Intelligence

Top Data Types

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Top Task Types

No task types listed

Freelancer Overview

AI Engineer Intern - LLM Response Evaluation (ArchBlock). 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, Pennsylvania State University – Eberly College of Science (2026). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Engineer Intern - LLM Response Evaluation (ArchBlock)

TextText

Developed and implemented an evaluation framework for LLM-generated responses, utilizing both human scoring and automated NLP metrics. Evaluated over 1,000 text-based question-answer pairs to identify system weaknesses in tabular context retrieval. Collaborated with other engineers to optimize the RAG pipeline using insights from this structured evaluation. • Built multilayer evaluation rubric integrating human-in-the-loop scoring and automated LLMs-as-judges• Assessed context completeness, response accuracy, and relevance in financial document Q&A• Employed OpenAI and Anthropic batch API evaluation for standardized human and AI judgment• Provided actionable recommendations for improving data retrieval and context engineering methods

2025 - 2025

Education

P

Pennsylvania State University – Eberly College of Science

Bachelor of Science, Mathematics – System Analysis

Bachelor of Science
2022 - 2026

Work History

A

ArchBlock

AI Engineer Intern

San Francisco
2025 - 2025
C

Capital Library of China

Data Scientist Intern

Beijing
2024 - 2024