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Anthony Lopez

Anthony Lopez

AI Training Specialist | Automation & Data Analysis Expert

VENEZUELA flag
Barinas, Venezuela
$15.00/hrEntry LevelOtherAppen

Key Skills

Software

Other
AppenAppen

Top Subject Matter

Artificial Intelligence Algorithm Training

Top Data Types

ImageImage

Top Task Types

Classification

Freelancer Overview

Data Training Specialist with experience in platforms such as Spare5. I specialize in Large Language Model (LLM) optimization through Reinforcement Learning from Human Feedback (RLHF), hallucination detection, and high-precision data labeling. My background includes advanced statistical analysis and variance-based decision-making, skills honed through real-time data monitoring and systemic error ('leak') detection. I am highly disciplined and accustomed to managing high-volume, precision-oriented workflows

Entry LevelEnglishSpanish

Labeling Experience

Data Training Specialist (Spare5)

OtherImageClassification
As a Data Training Specialist at Spare5, I contributed to the improvement of Artificial Intelligence algorithms through data labeling, image classification, and natural language processing tasks. My role involved maintaining high quality and accuracy standards while strictly following platform style guides and project requirements. My core responsibilities centered on performing technical micro-tasks to enhance AI model performance. • Labeled images for classification and evaluation tasks. • Completed natural language processing assignments to support AI training. • Evaluated responses of large language models (LLMs) for accuracy and coherence. • Used internal platform tools to annotate, review, and submit high-volume datasets.

As a Data Training Specialist at Spare5, I contributed to the improvement of Artificial Intelligence algorithms through data labeling, image classification, and natural language processing tasks. My role involved maintaining high quality and accuracy standards while strictly following platform style guides and project requirements. My core responsibilities centered on performing technical micro-tasks to enhance AI model performance. • Labeled images for classification and evaluation tasks. • Completed natural language processing assignments to support AI training. • Evaluated responses of large language models (LLMs) for accuracy and coherence. • Used internal platform tools to annotate, review, and submit high-volume datasets.

2024 - 2024

Education

V

Venezuela

Date of Birth: May 14

Date of Birth: May 14
1998 - 1998

Work History

I

Independent Contractor

Data Analysis and Strategy Specialist

Barinas
2025 - Present
I

Independent Projects

Automation Developer

Barinas
2026 - 2026