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Hi, I’m Elisângela de Jesus Santos. I’m a Senior Quality Analyst and Data Specialist for AI models, focused on GenAI training. I have 8 years of experience in quality analysis, AI model training, UHRS, multimodal annotation, MTPE, and dataset auditing for GenAI applications. Hello! I’m passionate about building safe, reliable AI systems. I enjoy collaborating with cross-functional teams to turn complex data into practical insights, and I’m dedicated to continuous learning in AI safety, data governance, and high-quality dataset curation.…Hi, I’m Elisângela de Jesus Santos. I’m a Senior Quality Analyst and Data Specialist for AI models, focused on GenAI training. I have 8 years of experience in quality analysis, AI model training, UHRS, multimodal annotation, MTPE, and dataset auditing for GenAI applications. Hello! I’m passionate about building safe, reliable AI systems. I enjoy collaborating with cross-functional teams to turn complex data into practical insights, and I’m dedicated to continuous learning in AI safety, data governance, and high-quality dataset curation.

Elisângela de Jesus Santos

QA Engineer, Data Scientist, AI Engineer, +2

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Hi, I’m Elisângela de Jesus Santos. I’m a Senior Quality Analyst and Data Specialist for AI models, focused on GenAI training. I have 8 years of experience in quality analysis, AI model training, UHRS, multimodal annotation, MTPE, and dataset auditing for GenAI applications. Hello! I’m passionate about building safe, reliable AI systems. I enjoy collaborating with cross-functional teams to turn complex data into practical insights, and I’m dedicated to continuous learning in AI safety, data governance, and high-quality dataset curation.…Hi, I’m Elisângela de Jesus Santos. I’m a Senior Quality Analyst and Data Specialist for AI models, focused on GenAI training. I have 8 years of experience in quality analysis, AI model training, UHRS, multimodal annotation, MTPE, and dataset auditing for GenAI applications. Hello! I’m passionate about building safe, reliable AI systems. I enjoy collaborating with cross-functional teams to turn complex data into practical insights, and I’m dedicated to continuous learning in AI safety, data governance, and high-quality dataset curation.

Available to hire

Hi, I’m Elisângela de Jesus Santos. I’m a Senior Quality Analyst and Data Specialist for AI models, focused on GenAI training. I have 8 years of experience in quality analysis, AI model training, UHRS, multimodal annotation, MTPE, and dataset auditing for GenAI applications.

Hello! I’m passionate about building safe, reliable AI systems. I enjoy collaborating with cross-functional teams to turn complex data into practical insights, and I’m dedicated to continuous learning in AI safety, data governance, and high-quality dataset curation.

Skills

AI Data Labelling

Python

Data Visualization

Experience Level

AI Data Labelling

Expert

Python

Expert

Data Visualization

Intermediate

Language

Portuguese

Fluent

English

Fluent

Spanish; Castilian

Advanced

French

Intermediate

Work Experience

Senior Quality Analyst at AI & GenAI Projects

January 1, 2017 - Present

Large-scale annotation and review of AI training data across text, image, audio, and video. LLM evaluations focused on instruction following, response quality, safety, and factual accuracy. Dataset audits with accuracy above 96%. Review of synthetic and mobile-style images, face swap QA, UHRS evaluations, and structured quality reporting.

Quality Analyst at Data & AI Evaluation Projects

January 1, 2018 - January 1, 2025

Evaluation of ads, social media content, and landing pages. Voicebot persona QA, GenAI prompt and response validation, and strict guideline adherence in international AI projects.

Data Annotator & Content Reviewer

January 1, 2019 - January 1, 2025

Multimodal annotation, content moderation, dataset validation, QA documentation, and process tracking across high-volume production tasks.

Senior Quality Analyst

January 1, 2017 - Present

LLM evaluation, dataset auditing, UHRS tasks, multilingual MTPE, AI safety and quality metrics.

Quality Analyst – AI & Data Projects

January 1, 2018 - January 1, 2025

Image dataset evaluation, ads relevance, voicebot persona QA, prompt evaluation.