Jesus H.

Key Skills

Software

Other

Data Annotation Tech

LabelImg

Appen

Top Subject Matter

LLM response quality

Safety Domain Expertise

hallucination detection

Top Data Types

Text

Image

Document

Top Task Types

Text Generation

Evaluation/Rating

Transcription

Freelancer Overview

AI Data Specialist, Project Diamond (Remote). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Master of Science in Computer Science, University of California, Berkeley (2023) and Master of Science in Computer Science, BridgeValley Community and Technical College (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Text Generation.

Labeling Experience

AI Data Specialist, Project Diamond (Remote)

OtherText

Rigorously evaluated and annotated generative LLM outputs to improve downstream accuracy and safety, focusing on logical consistency, tone, and bias reduction. • Labeled multi-turn model behavior against project-specific helpfulness guidelines. • Authored and used complex prompt variations to identify edge cases and hallucination triggers. • Translated ambiguous queries into structured evaluation metrics to enforce strict alignment with rating criteria. • Performed ongoing stress testing and documentation of failure modes for safer model outputs.

2026 - Present

Subject Matter Expert & Science Communicator, mr.deepscience (Remote)

OtherTextText Generation

Created zero-hallucination educational scripts by synthesizing marine biology and paleontology research into structured, accurate content. • Conducted deep-dive factual research to ensure all claims were grounded in peer-reviewed sources. • Produced domain-specific educational outputs aligned with strict accuracy expectations used in specialized AI rating. • Transformed complex subject matter into clear, structured text suitable for learning and evaluation. • Focused on preventing unsupported statements to support high-trust AI training and content generation tasks.

2025 - Present

Search Quality Rater (Remote)

OtherText

Trained and calibrated search ranking models by grading large volumes of search engine queries and AI-generated summaries. • Applied E-E-A-T criteria (Experience, Expertise, Authoritativeness, Trustworthiness) to assign quality ratings. • Maintained high performance on monthly quality audits by following continuously updated rating guidelines. • Verified factual accuracy of AI responses using structured online research and authoritative source checking. • Ensured consistent adherence to evolving relevance and quality rubrics across multiple disciplines.

2024 - 2025

Education

Work History