Jesus S.

Key Skills

Software

Data Annotation Tech

Top Subject Matter

Language localisation and audio/voice processing (bilingual)

Video generation and LLM-related training

Top Data Types

Audio

Video

Top Task Types

Fine-tuning

Freelancer Overview

Data Annotator — DataAnnotation Tech (AI training: localisation and audio/voice processing). Core strengths include Data Annotation Tech, Internal, and Proprietary Tooling. Education includes Superior Degree in Music Interpretation, Conservatorio Superior de Música de Jaén (2025). AI-training focus includes data types such as Audio and Video and labeling workflows including Translation, Localization, and Fine-tuning.

Labeling Experience

Data Annotator — DataAnnotation Tech (AI training: localisation and audio/voice processing)

Data Annotation TechAudio

Provided AI training and annotation support focused on language localisation in English and Spanish for speech/music-related content. Contributed to music sound, audio, and voice processing tasks to improve model performance across bilingual data. Performed careful review of audio-related samples to ensure the outputs matched target language and quality expectations. • Localisation support for English and Spanish • Music sound, audio, and voice processing training • Audio/voice sample quality checks • Attention to detail during annotation cycles

2024 - Present

Annotator — Annutacon LLC (AI training: video generation and LLM)

VideoFine-tuning

Performed AI training and annotation work for video generation datasets as part of LLM-focused improvements. Supported video-generation related labeling to help models produce more accurate and coherent outputs. Followed dataset requirements to maintain consistency across prompts and generated content. • Video generation training data annotation • LLM-focused AI training tasks • Consistency checks against dataset guidelines • Participation in iterative training cycles

2025 - 2026

Education

Work History