For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
B
Bernard Alvarez

Bernard Alvarez

AI Data Annotator / Social Media Evaluator

USA flagRoanoke, Usa
$12.00/hrExpertAppenClickworkerCrowdsource

Key Skills

Software

AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
OneFormaOneForma
RemotasksRemotasks
TelusTelus
Internal/Proprietary Tooling

Top Subject Matter

AI training data
social media
trust & safety

Top Data Types

TextText
VideoVideo
DocumentDocument

Top Task Types

ClassificationClassification
RLHFRLHF
Fine-tuningFine-tuning
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Object DetectionObject Detection
Question AnsweringQuestion Answering
Data CollectionData Collection

Freelancer Overview

AI Data Annotator / Social Media Evaluator – Appen. Brings 21+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen. Education includes Certificate, Google / Coursera (2024). AI-training focus includes data types such as Text and labeling workflows including Classification.

ExpertEnglishSpanish

Labeling Experience

Appen

AI Data Annotator / Social Media Evaluator – Appen

AppenTextClassification
As an AI Data Annotator and Social Media Evaluator at Appen, I contributed to machine learning and NLP projects by labeling and categorizing large datasets. I rated both AI-generated and user-generated text content for accuracy and relevance, consistently maintaining high QA standards. My work focused on enforcing compliance and ensuring safety within HITL annotation workflows. • Annotated, labeled, and categorized large-scale text datasets for ML and NLP training • Rated social media, AI-generated, and user-generated text for accuracy, relevance, and policy compliance • Performed fact-checking, short-form editing, and bias detection to optimize AI outputs • Managed high-volume outputs in HITL workflows, ensuring efficiency and consistency

As an AI Data Annotator and Social Media Evaluator at Appen, I contributed to machine learning and NLP projects by labeling and categorizing large datasets. I rated both AI-generated and user-generated text content for accuracy and relevance, consistently maintaining high QA standards. My work focused on enforcing compliance and ensuring safety within HITL annotation workflows. • Annotated, labeled, and categorized large-scale text datasets for ML and NLP training • Rated social media, AI-generated, and user-generated text for accuracy, relevance, and policy compliance • Performed fact-checking, short-form editing, and bias detection to optimize AI outputs • Managed high-volume outputs in HITL workflows, ensuring efficiency and consistency

2018 - Present

Education

G

Google / Coursera

Certificate, Artificial Intelligence

Certificate
2024 - 2024

Work History

S

Self-Employed

Digital Platform Manager & Content Strategist

Roanoke
2006 - Present
R

Roanoke Diversity Center

Director

Roanoke
2012 - 2025