Sandra Pereda S.

Sandra Pereda S.

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Baja California, Mexico

Contact Sandra regarding: 
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Starting at USD1K/month
Flexible work
Starting at USD15/hour
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Résumé


Jobs verified_user 0% verified
  • Outlier AI
    AI Trainer / Data Annotation / Prompt engineer public Remote experience
    Outlier AI
    May 2024 - Current (2 years)
    As an AI Trainer / Data Annotation / Prompt Engineer, I provided freelance services in AI training, data annotation, model testing, and prompt writing for various clients, including Outlier, OneForma, RWS, E2F, Alignerr, and TaskVerse. I am an expert user of proprietary annotation tools and dashboards, with strong experience in remote collaboration using Teams, Slack, Discourse, and Discord. Key Responsibilities & Achievements: - Conducted multimodal annotation (text, image, audio, video) to support model training and evaluation. - Designed adversarial and specialized prompts to stress-test LLMs, chatbots, and generative AI models. - Performed voice data collection through scripted recordings, conversations, and audiobook excerpts to tra
  • G
    Content Creator / Social Media Manager
    Grupo IMAGEN.
    Sep 2017 - Current (8 years 8 months)
    As a Content Creator / Social Media Manager, I was responsible for the production and editing of audiovisual and written content for platforms such as Facebook, YouTube, Instagram, and TikTok, successfully reaching audiences of millions of users. I designed and executed multichannel content strategies, both organic and paid, to increase engagement, followers, and conversions. My expertise in creating and editing advertising content (Branded Content) using tools like Premiere Pro, Photoshop, Canva, and Firefly was complemented by my experience in subtitling, voice-over, and AI voice cloning with Descript and Veed. I optimized content for search engines and advertising campaigns through SEO & SEM techniques, utilizing tools such as Google Tre
  • Radio UNAM
    Cultural Management, Radio & Editorial Content
    Radio UNAM
    Jan 2014 - Jan 2017 (3 years 1 month)
    Radio UNAM · FICUNAM · Rúbrica Magazine Curated and organized cultural events within UNAM, including coverage and promotion of the UNAM International Film Festival (FICUNAM), as well as commemorative tributes such as the Centennial of José Revueltas (2014) and the Centennial of Efraín Huerta (2014). Produced and created multiplatform content: articles, blogs, promotional materials, informational capsules, interviews, journalistic notes, and radio scripts. Served as host and content producer for the program El retorno a la razón (Radio UNAM, 96.1 FM) for three consecutive years, including participation in live broadcasts. Managed community and social media efforts: selected, scheduled, and published content for Radio UNAM’s Twitter and I
Education verified_user 0% verified
  • UTEL Universidad
    Master’s Degree in Digital Marketing and E-commerce
    UTEL Universidad
    Mar 2024 - Nov 2025 (1 year 9 months)
  • Universidad Nacional Autónoma de México
    Master’s Degree in Communication & Documentary Film
    Universidad Nacional Autónoma de México
    Jan 2015 - Jan 2017 (2 years 1 month)
  • Universidad Nacional Autónoma de México
    Bachelor’s Degree in English Language and Literature with a Specialization in Linguistics
    Universidad Nacional Autónoma de México
    Jan 2010 - Jan 2014 (4 years 1 month)
Awards verified_user 0% verified
  • D
    Organizador / Gestor
    Dra Gloria Villegas Moreno UNAM
    Sep 2015