Linguist & AI Training Specialist | Portuguese Translator & Localization Expert Linguist and translator with 10+ years of experience specializing in Brazilian Portuguese, AI content evaluation, and language education. Combines deep knowledge of phonetics, syntax, and semantics with hands-on experience in training and refining large language models (LLMs). Core Expertise: Linguistic Analysis & AI Training PT⇄EN Translation (academic, technical, institutional) ISO 17100 Compliance & CAT Tools (Trados, memoQ, OmegaT) Content Quality Evaluation & Prompt Engineering Remote Collaboration & Localization Projects Education: Postgraduate in Translation | Master’s in Educational Sciences | BA in English Language Open to projects involving AI training, translation, linguistic quality assurance, and Portuguese-language content refinement.

Antonio Jacinto

Linguist & AI Training Specialist | Portuguese Translator & Localization Expert Linguist and translator with 10+ years of experience specializing in Brazilian Portuguese, AI content evaluation, and language education. Combines deep knowledge of phonetics, syntax, and semantics with hands-on experience in training and refining large language models (LLMs). Core Expertise: Linguistic Analysis & AI Training PT⇄EN Translation (academic, technical, institutional) ISO 17100 Compliance & CAT Tools (Trados, memoQ, OmegaT) Content Quality Evaluation & Prompt Engineering Remote Collaboration & Localization Projects Education: Postgraduate in Translation | Master’s in Educational Sciences | BA in English Language Open to projects involving AI training, translation, linguistic quality assurance, and Portuguese-language content refinement.

Available to hire

Linguist & AI Training Specialist | Portuguese Translator & Localization Expert

Linguist and translator with 10+ years of experience specializing in Brazilian Portuguese, AI content evaluation, and language education. Combines deep knowledge of phonetics, syntax, and semantics with hands-on experience in training and refining large language models (LLMs).

Core Expertise:

Linguistic Analysis & AI Training

PT⇄EN Translation (academic, technical, institutional)

ISO 17100 Compliance & CAT Tools (Trados, memoQ, OmegaT)

Content Quality Evaluation & Prompt Engineering

Remote Collaboration & Localization Projects

Education:
Postgraduate in Translation | Master’s in Educational Sciences | BA in English Language

Open to projects involving AI training, translation, linguistic quality assurance, and Portuguese-language content refinement.

See more

Language

Portuguese
Fluent
English
Fluent

Work Experience

Personalized Internet Assessor at Telus International
January 1, 2025 - Present
Evaluated search engine results for relevance and linguistic accuracy in Brazilian Portuguese. Applied semantic, phonetic, and cultural analysis to improve AI-generated content. Documented inconsistencies to enhance language model performance.
Freelance Translator & Proofreader at UFMG & Private Clients
January 1, 2021 - Present
Translated and localized academic, technical, and institutional texts (PT EN) across projects. Ensured cultural appropriateness and terminological consistency. Delivered high-quality translations under tight deadlines.
Language Instructor at Independent / Various
December 31, 2021 - October 14, 2025
Designed and adapted lesson plans for students across multiple proficiency levels. Strengthened grammatical skills, conversational fluency, and intercultural communication. Used error analysis and personalized feedback to accelerate progress.
Interpreter & Cultural Mediator at Central Market of Belo Horizonte & California Religious Group
December 31, 2020 - October 14, 2025
Provided simultaneous and consecutive interpretation in formal and informal settings. Facilitated cross-cultural communication with sensitivity and accuracy.
Personalized Internet Assessor at Telus International
January 1, 2025 - Present
Evaluated search engine results for relevance and linguistic accuracy in Brazilian Portuguese; Applied semantic, phonetic, and cultural analysis to improve AI-generated content; Documented inconsistencies to enhance language model performance.
Freelance Translator & Proofreader at UFMG & Private Clients
January 1, 2021 - Present
Translated and localized academic, technical, and institutional texts (PT EN)⇄; Ensured cultural appropriateness and terminological consistency across projects; Delivered high-quality translations under tight deadlines.
Language Instructor English & Portuguese Teacher
December 31, 2021 - October 14, 2025
Designed and adapted lesson plans for students across multiple proficiency levels; Strengthened grammatical skills, conversational fluency, and intercultural communication; Utilized error analysis and personalized feedback to accelerate student progress.
Interpreter & Cultural Mediator at Central Market of Belo Horizonte & California Religious Group
December 31, 2020 - October 14, 2025
Provided simultaneous and consecutive interpretation in formal and informal settings; Facilitated cross-cultural communication with sensitivity and accuracy.
Personalized Internet Assessor at Telus International
January 1, 2025 - Present
Evaluated search engine results for relevance and linguistic accuracy in Brazilian Portuguese; applied semantic, phonetic, and cultural analysis to improve AI-generated content; documented inconsistencies to enhance language model performance.
Freelance Translator & Proofreader at UFMG & Private Clients
January 1, 2021 - Present
Translated and localized academic, technical, and institutional texts (PT EN) with cultural and terminological consistency; delivered high-quality translations under tight deadlines.
Language Instructor English & Portuguese Teacher
January 1, 2021 - October 14, 2025
Designed and adapted lesson plans for students across multiple proficiency levels; strengthened grammatical skills, conversational fluency, and intercultural communication; utilized error analysis and personalized feedback to accelerate student progress.
Interpreter & Cultural Mediator at Central Market of Belo Horizonte & California Religious Group
January 1, 2020 - October 14, 2025
Provided simultaneous and consecutive interpretation in formal and informal settings; facilitated cross-cultural communication with sensitivity and accuracy.
Personalized Internet Assessor at Telus International
January 1, 2025 - Present
Evaluated search engine results for relevance and linguistic accuracy in Brazilian Portuguese. Applied semantic, phonetic, and cultural analysis to improve AI-generated content. Documented inconsistencies to enhance language model performance.
Freelance Translator & Proofreader at UFMG & Private Clients
January 1, 2021 - Present
Translated and localized academic, technical, and institutional texts (PT EN). Ensured cultural appropriateness and terminological consistency across projects. Delivered high-quality translations under tight deadlines.
English & Portuguese Language Instructor at Various Institutions
December 31, 2021 - October 14, 2025
Designed and adapted lesson plans for students across multiple proficiency levels. Strengthened grammatical skills, conversational fluency, and intercultural communication. Used error analysis and personalized feedback to accelerate progress.
Interpreter & Cultural Mediator at Central Market of Belo Horizonte & California Religious Group
December 31, 2020 - October 14, 2025
Provided simultaneous and consecutive interpretation in formal and informal settings. Facilitated cross-cultural communication with sensitivity and accuracy.

Education

BA in English Language at PUC Minas
January 11, 2030 - October 14, 2025
BA in English Language at PUC Minas
January 11, 2030 - October 14, 2025
BA in English Language at PUC Minas
January 11, 2030 - October 14, 2025
Postgraduate Program in Translation at PUC Minas
January 11, 2030 - October 14, 2025
Master's in Educational Sciences at PUC Minas
January 11, 2030 - October 14, 2025
BA in English Language at PUC Minas
January 11, 2030 - October 14, 2025

Qualifications

Postgraduate Program in Translation
January 11, 2030 - October 14, 2025
Master's in Educational Sciences
January 11, 2030 - October 14, 2025
ISO 17100 Compliant Translator
January 11, 2030 - October 14, 2025
CAT Tools Proficiency (SDL Trados, memoQ)
January 11, 2030 - October 14, 2025
AI systems training for Brazilian Portuguese understanding
January 11, 2030 - October 14, 2025
Taught 100+ students with measurable progress outcomes
January 11, 2030 - October 14, 2025
Postgraduate Program in Translation
January 11, 2030 - October 14, 2025
Master's in Educational Sciences
January 11, 2030 - October 14, 2025
ISO 17100 Compliant Translator
January 11, 2030 - October 14, 2025
CAT Tools Proficiency (SDL Trados, memoQ)
January 11, 2030 - October 14, 2025
Postgraduate Program in Translation
January 11, 2030 - October 14, 2025
Master's in Educational Sciences
January 11, 2030 - October 14, 2025
ISO 17100 Compliant Translator
January 11, 2030 - October 14, 2025
CAT Tools Proficiency (SDL Trados, memoQ)
January 11, 2030 - October 14, 2025
ISO 17100 Compliant Translator
January 11, 2030 - October 14, 2025
CAT Tools Proficiency (SDL Trados, memoQ)
January 11, 2030 - October 14, 2025
AI System Training for Brazilian Portuguese
January 11, 2030 - October 14, 2025

Industry Experience

Education, Professional Services, Software & Internet, Media & Entertainment, Other, Telecommunications