Alejandra Medrano

Alejandra Medrano

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AI Trainer & Language Specialist | LLM Evaluation | Data Annotation
Managua Department, Nicaragua

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  • Invisible Technologies
    AI Trainer - Multimodal Video Evaluation
    Invisible Technologies
    Feb 2026 - Current (7 months)
    Engineer ontology-driven evaluation prompts from dynamic video content • Stress-test temporal and contextual reasoning in multimodal AI models • Apply structured quality frameworks to assess model alignment and performance • Conduct detailed analysis of reasoning accuracy and response reliability
  • Verita AI
    Creative Data Annotator
    Verita AI
    Nov 2025 - Current (10 months)
    Contract-based data annotator working on conversational and multimodal AI datasets, including Spanish-language tutoring tasks, live interactions, transcription, and quality annotations, following detailed guidelines and QA standards.
  • Productive Playhouse
    AI chatbot contributor
    Productive Playhouse
    Oct 2025 - Current (11 months)
    I evaluate and provide detailed assessments of voice-based AI chatbot interactions in Latin American Spanish, focusing on response accuracy, clarity, relevance, and adherence to user goals. I deliver actionable feedback to help improve conversational quality and enhance the user experience. This role allows me to gain hands-on experience with multilingual AI voice systems and contribute to the development of more natural and effective chatbot interactions.
  • Invisible Technologies
    Master - Spanish Language Specialist (Latin America) – AI Trainer
    Invisible Technologies
    Aug 2025 - Current (1 year 1 month)
    Currently undergoing onboarding and training processes to fully integrate into the team. Responsible for evaluating and training AI language models with a focus on Latin American Spanish. Tasks include reviewing and annotating linguistic data, providing high-quality feedback, and ensuring AI outputs align with human language nuances. Actively preparing to contribute to projects that improve natural language understanding and generation. Committed to continuous learning and collaboration to enhance AI performance in Spanish language applications.
  • TransPerfect
    Audio Annotator
    TransPerfect
    Aug 2025 - Current (1 year 1 month)
    I work as a Freelance Audio Annotator for TransPerfect, a leading global language and data solutions company. I analyze and label Latin American Spanish audio, focusing on voice characteristics, tones, speaking styles, and delivery. Following strict quality guidelines, I produce accurate and consistent annotations that contribute to the performance of advanced AI models.
  • Outlier
    AI Trainer
    Outlier
    Feb 2024 - Current (2 years 7 months)
    I work remotely and independently with Outlier AI, contributing to the training and improvement of multilingual large language models (LLMs). My work focuses on Spanish and English, where I review, annotate, and refine datasets to ensure linguistic accuracy, clarity, and relevance. I also evaluate model outputs, providing detailed feedback to enhance performance and align results with project guidelines. This independent role has strengthened my skills in language evaluation, data analysis, and quality control, while allowing me to actively contribute to innovative AI projects shaping the future of technology.
Education verified_user 0% verified