Javier Gutierrez

Key Skills

Software

Appen

Clickworker

Other

Top Subject Matter

Search Engine and Social Media Evaluation

AI Model Training Data

AI Data Collection and Translation

Top Data Types

Text

Audio

Image

Document

Top Task Types

Data Collection

Transcription

Emotion Recognition

Classification

Freelancer Overview

Social Media Evaluator. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen, RWS, and Other. Education includes Bachelor of Architecture, Instituto Tecnológico de Tepic (2023) and Bachelor of Psychology, Universidad Autonoma de Nayarit (2020). AI-training focus includes data types such as Text, Audio, and Image and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

Transcription Specialist

AudioTranscription

In the Transcription Specialist position at RWS, I transcribed and reviewed audio recordings. I maintained high accuracy and formatting standards throughout. The work contributed directly to transcribed data quality in AI training contexts. • Transcribed a variety of audio data. • Ensured transcription accuracy for AI readiness. • Reviewed and corrected finalized text outputs. • Improved training datasets for audio-related models.

In the Transcription Specialist position at RWS, I transcribed and reviewed audio recordings. I maintained high accuracy and formatting standards throughout. The work contributed directly to transcribed data quality in AI training contexts. • Transcribed a variety of audio data. • Ensured transcription accuracy for AI readiness. • Reviewed and corrected finalized text outputs. • Improved training datasets for audio-related models.

2026 - Present

Social Media Evaluator

Text

As a Social Media Evaluator at RWS, I assessed digital content for accuracy, relevance and quality standards. The work supported digital platforms in maintaining appropriate and reliable information. Regular evaluations contributed to content moderation efforts. • Analyzed digital text and media for quality control. • Applied comprehensive criteria for content evaluation. • Ensured platform content met required standards. • Helped maintain safe and informative user spaces.

As a Social Media Evaluator at RWS, I assessed digital content for accuracy, relevance and quality standards. The work supported digital platforms in maintaining appropriate and reliable information. Regular evaluations contributed to content moderation efforts. • Analyzed digital text and media for quality control. • Applied comprehensive criteria for content evaluation. • Ensured platform content met required standards. • Helped maintain safe and informative user spaces.

2025 - Present

Social Media Evaluator

AppenText

As a Social Media Evaluator at Appen/CrowdGen, I evaluated social media content for policy compliance and quality. My responsibilities included classifying and reviewing posts, images, videos, and ads. This contributed to AI training and safe content environments. • Evaluated text-based and multimedia posts for compliance. • Conducted regular audits for content safety and accuracy. • Provided structured feedback on guideline adherence. • Maintained high-quality standards on global social platforms.

As a Social Media Evaluator at Appen/CrowdGen, I evaluated social media content for policy compliance and quality. My responsibilities included classifying and reviewing posts, images, videos, and ads. This contributed to AI training and safe content environments. • Evaluated text-based and multimedia posts for compliance. • Conducted regular audits for content safety and accuracy. • Provided structured feedback on guideline adherence. • Maintained high-quality standards on global social platforms.

2021 - Present

Speech Data Evaluator

OtherAudioEmotion Recognition

As a Speech Data Evaluator at Alignerr, I evaluated speech recordings for emotional tone, clarity and pronunciation. I supported speech recognition model training with labeled audio. The role focused on providing high-quality emotional and linguistic labels for AI systems. • Analyzed audio data for emotional cues. • Provided feedback on clarity and enunciation. • Labeled speech samples for model accuracy. • Enhanced emotional recognition features in AI models.

As a Speech Data Evaluator at Alignerr, I evaluated speech recordings for emotional tone, clarity and pronunciation. I supported speech recognition model training with labeled audio. The role focused on providing high-quality emotional and linguistic labels for AI systems. • Analyzed audio data for emotional cues. • Provided feedback on clarity and enunciation. • Labeled speech samples for model accuracy. • Enhanced emotional recognition features in AI models.

2026 - 2026

AI Training & Quality Assurance Specialist

AppenText

As an AI Training & Quality Assurance Specialist, I reviewed, validated, and corrected AI training datasets. I performed quality checks on annotated data across video, audio, and image assets. This role ensured the high accuracy and reliability of AI model inputs. • Validated annotated datasets for correctness. • Reviewed multimodal data for errors and inconsistencies. • Implemented quality assurance procedures for training data. • Improved the reliability of machine learning projects.

As an AI Training & Quality Assurance Specialist, I reviewed, validated, and corrected AI training datasets. I performed quality checks on annotated data across video, audio, and image assets. This role ensured the high accuracy and reliability of AI model inputs. • Validated annotated datasets for correctness. • Reviewed multimodal data for errors and inconsistencies. • Implemented quality assurance procedures for training data. • Improved the reliability of machine learning projects.

2023 - 2026

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Education

Work History