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L
Leon L.

Leon L.

Senior Content Analyst & Quality Evaluator (AI Response Evaluator)

USA flagNew York, Usa

Key Skills

Software

Don't disclose

Top Subject Matter

LLM output quality evaluation for NLP/AI training
Linguistics/discourse analysis annotation taxonomies
Legal Services & Contract Review

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

No task types listed

Freelancer Overview

Senior Content Analyst & Quality Evaluator (AI Response Evaluator). Brings 2+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, and Don't disclose. Education includes Bachelor of Science, New York University (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Entity.

Labeling Experience

Senior Content Analyst & Quality Evaluator (AI Response Evaluator)

TextText

Evaluated 50–80 long-form AI-generated texts per week using structured rubrics across coherence, factual accuracy, logical completeness, and implicit reasoning gaps. Produced detailed written rationales for each assessment and identified systematic model failure patterns related to counterfactual claims. Translated quality criteria into reproducible decision trees and authored an internal evaluation handbook used by new evaluators. • Applied calibrated scoring with inter-rater reliability consistently above 92% across 14 evaluators. • Authored internal evaluation handbook (38 pages) documenting rubric-driven decision processes. • Contributed methodology notes to inform client NLP fine-tuning based on recurring error patterns. • Annotated and documented assessments independently without using AI drafting tools to meet data integrity requirements.

2022 - Present

Research Associate—Linguistics & Discourse Analysis

Don't discloseTextText

Linguistics annotation work involving coding and labeling of text segments across federally funded language research projects. Applied multi-layered taxonomies to label argument structure, hedging, and epistemic stance, producing large-scale annotated datasets. Built labeling QA through an inter-annotator disagreement protocol and supported qualitative analysis contributions for a published corpus study. • Coded/annotated 12,000+ text segments using fine-grained discourse taxonomies. • Reduced ambiguity-driven coding errors by 34% via a disagreement protocol. • Trained and supervised three junior annotators on conventions and rationale development. • Collaborated on corpus study of implicit presuppositions in journalistic text.

2019 - 2021

Education

N

New York University

Bachelor of Science, Computer Science

Bachelor of Science
2022 - 2022

Work History

T

Techvision Ltd

Data Analyst

New York
2022 - 2023
I

Innotech Systems

Junior Software Developer (Intern)

New York
2022 - 2022