Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic
Víctor Julián Sosa Baeza

Víctor Julián Sosa Baeza

Mérida

Summary

Versatile professional with bachelor's degrees in Software Engineering and Psychology, as well as a master's degree in Psychology.

Experienced freelancer with a strong track record in AI data annotation, quality assurance, and training large language models (LLMs) to enhance translation, localization, and response accuracy.

Frequently entrusted with QA responsibilities, ensuring high-quality work and guiding freelancers to meet performance standards.

Overview

2026
2026
years of professional experience

Work History

Language Specialist

Appen
06.2021 - Current
  • Worked on multiple projects focused primarily on quality assurance for various large language models (LLMs)
  • Improved translation technology by annotating text-to-speech transcriptions and translating transcriptions.
  • Recognized for high-quality work and strong performance, frequently selected to join the QA team to review and support freelancers in completing tasks accurately and efficiently
  • Managed multiple projects simultaneously while maintaining a high level of attention to detail and organization.

English and Spanish Translator

Centific
01.2021 - Current
  • Contributed to training various AI models to enhance translation accuracy and optimized localized content for improved user experience
  • Assisted in training large language models (LLMs) to ensure responses are concise, accurate, helpful, satisfying, and safe for users
  • Conducted quality control checks on translated content to guarantee accuracy and consistency across all materials
  • Mentored junior translators on improving their translation skills, providing constructive feedback and guidance on best practices
  • Frequently perform AI data annotation to support the development of advanced technologies for major clients

Private Counselor

Psychotherapist
01.2022 - Current
  • Professional online counseling services, grounded in psychoanalytic principles

Human Resources Internship - IT Recruiter

DaCodes
02.2021 - 05.2021
  • Successfully placed candidates in various IT roles.

Junior Java Developer

Kwan Tecnología
  • Enhanced overall application functionality through consistent updates based on end-user feedback.

Education

Master's Degree - Clinical Psychology

CECIP
09-2024

Bachelor's Degree - Clinical Psychology And Psychotherapy

Universidad Anáhuac Mayab
01.2021

Bachelor's Degree - Software Engineering

Facultad De Matemáticas UADY
01.2016

Skills

  • Translation
  • Proofreading
  • Data Annotation
  • Microsoft Office proficiency
  • Excellent communication skills
  • Agile methodologies
  • Trello
  • Jira
  • Statistical software
  • JavaScript
  • PHP
  • Java
  • Python
  • Video editing software

Languages

English
Bilingual or Proficient (C2)
Spanish
Bilingual or Proficient (C2)

Timeline

Private Counselor

Psychotherapist
01.2022 - Current

Language Specialist

Appen
06.2021 - Current

Human Resources Internship - IT Recruiter

DaCodes
02.2021 - 05.2021

English and Spanish Translator

Centific
01.2021 - Current

Junior Java Developer

Kwan Tecnología

Master's Degree - Clinical Psychology

CECIP

Bachelor's Degree - Clinical Psychology And Psychotherapy

Universidad Anáhuac Mayab

Bachelor's Degree - Software Engineering

Facultad De Matemáticas UADY
Víctor Julián Sosa Baeza