Katherine Jara

Katherine Jara

About

Detail

Linguist | AI Trainer | Data Annotator | Editor | Content Writer | Translator and Localizer | English and Spanish Specialist
Santiago Metropolitan, Chile
Contact Katherine regarding: 
work
Full-time jobs
Starting at USD10/hour
Flexible work
Starting at USD10/hour
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Finding mentors
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Timeline

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Publication

Résumé

Jobs verified_user 0% verified
  • Transperfect
    Spanish (LATAM) Linguist / Speech Data Verifier public Remote experience
    Transperfect
    Jul 2025 - Current (1 year)
    Correct and validate 7,400+ pre-annotated speech data entries, refining annotations on audio quality, speaker traits, and utterance delivery for AI recognition and generation assistants.
  • Volga Partners
    Language Data Quality Reviewer
    Volga Partners
    Jan 2025 - Current (1 year 6 months)
    ● Label 62,500+ query-item pairs for an e-commerce platform in Spanish, analyzing titles, images, and product text to improve search relevance, dataset quality, and annotation accuracy. ● Flag edge cases and inconsistencies in labeled data to support QA standards.
  • Outlier
    AI Trainer public Remote experience
    Outlier
    Dec 2024 - Current (1 year 7 months)
    Create 500+ prompts and evaluate 1,200+ AI responses in Spanish, providing structured feedback in English on instruction adherence, safety, factual accuracy, and linguistic quality.
  • TheSoul Publishing
    English Digital Writer public Remote experience
    TheSoul Publishing
    Feb 2022 - Mar 2023 (1 year 2 months)
    ● Wrote 130+ articles for 175M+ follower platforms (5-Minute Crafts, Bright Side), supported by research and fact-checking. ● Collaborated on covers with designers, increasing visibility and click-through rates by 10%.
  • freelance
    English Language Materials Writer and Teacher
    freelance
    Jun 2020 - Aug 2024 (4 years 3 months)
    ● Authored 5 Teacher’s Guides with culturally adapted content for Spanish-speaking audiences. ● Achieved 20% improvement in oral proficiency for B1–B2 learners, per standardized tests.
  • SM Chile
    English Language Teaching Editor
    SM Chile
    Jan 2018 - May 2020 (2 years 5 months)
    ● Edited K–12 educational resources for 2M+ students, ensuring national curriculum alignment. ● Collaborated with authors and proofreaders to maintain consistency with editorial guidelines. ● Oversaw a team of 5 editorial assistants, assigning tasks and reviewing deliverables for quality.
  • SM Chile
    In-House Translator
    SM Chile
    Jun 2017 - Dec 2017 (7 months)
    Co-translated an OECD review of Chile’s national education policies from English to Spanish.
Education verified_user 0% verified
  • Pontificia Universidad Católica de Chile
    Bachelor of Education & Certified English Teacher
    Pontificia Universidad Católica de Chile
    Mar 2015 - Dec 2015 (10 months)
  • Universidad de Chile
    Bachelor of Arts in English Linguistics and Literature
    Universidad de Chile
    Mar 2010 - Dec 2014 (4 years 10 months)
Publications verified_user 0% verified
  • OECD - OCDE
    Educación en Chile, Evaluaciones de Políticas Nacionales de Educación
    OECD - OCDE
    Jun 2017 - Dec 2017 (7 months)