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Hi, I'm Karoline Santos. I specialize in language data quality, particularly in Brazilian Portuguese, working on projects involving artificial intelligence such as virtual assistants and language models. I collaborate closely with engineering, data science, and linguistics teams to ensure the highest quality and accuracy of linguistic data. I also have experience as a freelance French teacher, teaching children, teenagers, and adults using communicative methodologies focused on conversation, grammar, and Francophone culture. I'm passionate about helping others develop their language skills and committed to continuous improvement in my professional work.…Hi, I'm Karoline Santos. I specialize in language data quality, particularly in Brazilian Portuguese, working on projects involving artificial intelligence such as virtual assistants and language models. I collaborate closely with engineering, data science, and linguistics teams to ensure the highest quality and accuracy of linguistic data. I also have experience as a freelance French teacher, teaching children, teenagers, and adults using communicative methodologies focused on conversation, grammar, and Francophone culture. I'm passionate about helping others develop their language skills and committed to continuous improvement in my professional work.

Karoline Santos

1st Assistant Director, Album Art Designer, Artist, +4

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Hi, I'm Karoline Santos. I specialize in language data quality, particularly in Brazilian Portuguese, working on projects involving artificial intelligence such as virtual assistants and language models. I collaborate closely with engineering, data science, and linguistics teams to ensure the highest quality and accuracy of linguistic data. I also have experience as a freelance French teacher, teaching children, teenagers, and adults using communicative methodologies focused on conversation, grammar, and Francophone culture. I'm passionate about helping others develop their language skills and committed to continuous improvement in my professional work.…Hi, I'm Karoline Santos. I specialize in language data quality, particularly in Brazilian Portuguese, working on projects involving artificial intelligence such as virtual assistants and language models. I collaborate closely with engineering, data science, and linguistics teams to ensure the highest quality and accuracy of linguistic data. I also have experience as a freelance French teacher, teaching children, teenagers, and adults using communicative methodologies focused on conversation, grammar, and Francophone culture. I'm passionate about helping others develop their language skills and committed to continuous improvement in my professional work.

Available to hire

Hi, I’m Karoline Santos. I specialize in language data quality, particularly in Brazilian Portuguese, working on projects involving artificial intelligence such as virtual assistants and language models. I collaborate closely with engineering, data science, and linguistics teams to ensure the highest quality and accuracy of linguistic data.

I also have experience as a freelance French teacher, teaching children, teenagers, and adults using communicative methodologies focused on conversation, grammar, and Francophone culture. I’m passionate about helping others develop their language skills and committed to continuous improvement in my professional work.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Language

Portuguese

Fluent

French

Fluent

English

Advanced

Work Experience

Freelance French teacher at Profes

January 1, 2022 - Present

French teacher with experience teaching children, teenagers and adults, in face-to-face and online classes. Mastery of communicative methodologies, with a focus on conversation, grammar and Francophone culture. Committed to the linguistic development of students.

chef's assistant at Brasserie Le Carré

October 31, 2018 - July 16, 2025

Assisted in kitchen operations and food preparation at Brasserie Le Carré located in Brest, France.

Language Data Quality Specialist at Volga Partners

March 31, 2025 - July 16, 2025

The role involves analyzing large data sets from AI systems and language models to extract actionable insights. Tasks include accurately labeling data, ensuring data quality, collaborating with teams on projects, and continually improving analysis techniques. Specialized in the review and validation of linguistic data in Brazilian Portuguese, focusing on quality, grammatical accuracy, semantic clarity, and cultural adequacy. Worked on projects related to artificial intelligence, such as virtual assistants and language models, collaborating with engineering, data science, and linguistics teams. Responsible for evaluating AI-generated results, applying specific guidelines, and identifying linguistic or contextual errors.