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Mario Andrés Barrantes Jiménez

@marioandrsbarrantesj

AI image model trainer at micro1 who reviews image quality and prompt fidelity with art-historically grounded critiques.

Costa Rica
Message

At micro1, I evaluate AI-generated images for visual quality, aesthetic coherence, and prompt fidelity. I ground my critiques in art history and adapt to new rubrics as AI models are released.

I also review other trainers’ output and provide structured feedback to improve consistency and training quality.

Earlier, at Stratus Video CR., I conducted consecutive English-Spanish interpreting sessions in medical settings, as well as banking, legal, and insurance contexts. I documented session data for supervisor audits and received written recognition for my performance.

Experience

Work history, roles, and key accomplishments

MI
Current

AI Image Model Trainer and Reviewer

Micro1

Oct 2025 - Present (1 year 1 month)

Evaluating AI generated images for visual quality, aesthetic coherence, and prompt fidelity, producing art historically grounded critiques while adapting to new rubrics as AI models were released. Reviewing other trainers' output, delivering structured feedback to improve their consistency and the quality of the training.

SC

Medical Interpreter

Stratus Video CR

Feb 2016 - Jun 2019 (3 years 4 months)

Conducted consecutive interpreting sessions in the American medical setting primarily, in addition to banking, legal, and insurance fields, via video calls from English to Spanish and vice versa. Documented session data for supervisor audits and earned written recognition for good performance.

Education

Degrees, certifications, and relevant coursework

IF

Instituto Tecnológico de Costa Rica’s FundaTEC

Technical, Graphic Design

2024 - 2025

Technical degree in Graphic Design from FundaTEC, part of the Instituto Tecnológico de Costa Rica, from January 2024 to March 2025.

Universidad de Costa Rica logoUR

Universidad de Costa Rica

Licentiate, Architecture

2022 - 2023

Licentiate degree in Architecture from the Universidad de Costa Rica, from March 2022 to September 2023.

Instituto Tecnológico de Costa Rica logoIR

Instituto Tecnológico de Costa Rica

Licentiate, Architecture and Urbanism

2022 - 2022

Licentiate degree in Architecture and Urbanism from the Instituto Tecnológico de Costa Rica, from January 2022 to February 2022.

Universidad de Costa Rica logoUR

Universidad de Costa Rica

Licentiate, Art History

2011 - 2021

Licentiate degree in Art History from the Universidad de Costa Rica, with studies from March 2011 to June 2012 and March 2021 to December 2021.

Universidad Veritas logoUV

Universidad Veritas

Licentiate, Photography

2013 - 2014

Licentiate degree in Photography from Universidad Veritas, from January 2013 to April 2014.

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