Go to Website
  • en
  • de

David (Chamadoira) R.

Data Annotator & AI-Speech Audio Analyst

Arnedo, Spain

Experience

Sep 2025 - Oct 2025
2 months

Data Annotator & AI-Speech Audio Analyst

Unknown

  • Acted as Spanish AI-speech analyst and proofreader, following client-provided guidelines on expressiveness and consistency.
  • Annotated and labeled data in native language text, according to client-provided guidelines.
Jul 2025 - Aug 2025
2 months

AI Localization Annotator

Unknown

  • Localized and validated AI-generated responses for a virtual shopping assistant.
  • Ensured linguistic accuracy, naturalness, and contextual adaptation to Spanish users.
  • Reviewed and refined prompts and dialogues using a web-based platform.
May 2025 - Jun 2025
2 months

AI Data Annotator – Harmful Content Evaluation

Unknown

  • Reviewed AI-generated prompts and responses to identify and categorize harmful content.
  • Verified English-to-Spanish translations produced by AI, ensuring semantic accuracy and fidelity.
  • Labeled and categorized data based on safety, quality, and cultural appropriateness criteria.
Nov 2024 - Present
1 year 2 months

Data & Labelling Annotation

Unknown

  • Execute precise annotation and labeling of data, according to client-provided guidelines.
  • Perform self-checks on annotated data to identify and rectify any errors or inconsistencies, ensuring high-quality standards.
Nov 2024 - Jun 2025
8 months

Data Annotator & AI-Speech Audio Analyst

Unknown

  • Acted as Spanish AI-speech analyst and proofreader, following client-provided guidelines on expressiveness and consistency.
  • Annotated and labeled data in native language text, according to client-provided guidelines.
Sep 2024 - Jan 2025
5 months

Specialist in Language Model Localization

Unknown

  • Created prompts and reviewed and evaluated AI responses in Spanish (Spain).
Nov 2023 - Present
2 years 2 months

Intern Psychologist

Fundación Francisca Bretón Ibáñez

  • Provided individual therapy for elderly people.
  • Participated in cognitive stimulation workshops for elderly people.
Jan 2021 - Present
5 years

Blogger & Content Creator

Lavidaesviajar.com

  • Created and managed blog content related to travel experiences.
Dec 2020 - Sep 2021
10 months

Psychologist

Arnedo's City Council

  • Served as child and youth psychologist.
  • Corrected and interpreted psychological reports.
Nov 2019 - May 2020
7 months

Worker at the City Council

Arnedo's City Council

  • Provided in-person and telephone customer service at the Youth Office.
  • Participated in UNICEF’s Child-Friendly Cities Program.
Feb 2019 - Apr 2019
3 months

Intern Psychologist

Rioja Health Service

  • Completed 220 hours of internships in the Child and Youth Unit at Espartero Health Center.

Languages

Spanish
Native
English
Advanced

Education

Oct 2020 - Jun 2022

International University of La Rioja

Master’s in General Health Psychology · Psychology · Spain

Oct 2015 - Jun 2019

University of the Basque Country (UPV-EHU)

Bachelor’s in Psychology · Psychology · Spain

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Riccardo A.

Voice AI Trainer & Audio Transcriber

View Profile
Isabel B.

Editorial Consultant: Content Analyst

View Profile
Lisa A.

Freelance Content and Localization Expert

View Profile
Murtadah A.

Gulf Arabic Speech Transcriber

View Profile
Diego L.

Freelance Spanish Transcriptionist

View Profile
Antonio Q.

Freelance IT Consultant & Content Creator

View Profile
Estelle N.

Freelance Translator and Consultant

View Profile
Lucrezia P.

AI Conversational Writer

View Profile
Ana L.

Freelance Consultant

View Profile
Robert S.

AI Tutor – Bilingual English/Italian

View Profile
Nils G.

Annotator and Reviewer

View Profile
Mariana S.

Advance AI Data Trainer

View Profile
Brent W.

Data Labeling Analyst II

View Profile
Rosa G.

Science Communications Expert

View Profile
Robin L.

AI Tutor & Chemistry/Biology Specialist

View Profile
Hoa T.

English/Vietnamese AI Trainer

View Profile
Chukwuemeka A.

AI/ML & Content Specialist

View Profile
Marcello B.

Senior Copywriter/Content Creator Finance

View Profile
Elisa F.

Data Annotator

View Profile
Philipp S.

SEO Editor

View Profile
Al Asadujjaman A.

Content Writer | AI Tutor | Data Annotator

View Profile
Alisha A.

Advanced AI Data Trainer / Audio Trainer

View Profile
Yusuf D.

AI Training Intern

View Profile
Lindsey B.

AI Tutor

View Profile
Javier E.

Lead-Senior Performance Marketing Manager

View Profile
Christopher K.

Creative Strategist, Public Speaker, Counsellor, and Volunteer

View Profile
Margarita C.

Customer Support Specialist & Student Guidance

View Profile
Álvaro M.

Document Controller

View Profile
Juergen V.

Data Analyst | Freelancer

View Profile
Phillip S.

Scrum Master / Agile Coach

View Profile
fratch Part of Bitkom logo
linkedIncrunchbaseyoutube
  • English
  • Deutsch

2025 © FRATCH.IO GmbH. All rights reserved.