Jesús Sebastián Valerio Guerrero
About Jesús Sebastián Valerio Guerrero
Jesús Sebastián Valerio Guerrero is an Advanced Fullstack Programmer Analyst with extensive experience in software development and customer service. He currently works at QAT Global and Grupo GFT in Costa Rica and is pursuing a Licentiate degree in Software Engineering at Universidad Latina de Costa Rica.
Work at QAT Global
Currently, Jesús Sebastián Valerio Guerrero serves as an Advanced Fullstack Programmer Analyst (PA) at QAT Global, a role he has held since 2022. Prior to this position, he worked at QAT Global as a Fullstack Programmer Analyst (PA) from 2020 to 2022. His responsibilities include backend development and enhancing client functionalities, where he has successfully improved security and performance while integrating new features.
Experience at Amazon
Jesús worked at Amazon as a Virtual Customer Service representative from 2017 to 2018 for one year. This role involved handling customer service calls from various regions, including the US, Canada, UK, and Mexico. His experience in this position contributed to his skills in customer interaction and support.
Education and Expertise
Jesús is currently pursuing a Licentiate degree in Ingeniería de software at Universidad Latina de Costa Rica, a program he has been enrolled in since 2018. He previously studied Ingeniería de sistemas at the same university, achieving a Bachillerato from 2018 to 2021. Additionally, he studied Ingeniería de software at Tecnológico de Costa Rica, where he also obtained a Bachillerato from 2016 to 2018. His educational background supports his expertise in software development.
Technical Skills and Achievements
Jesús possesses proficiency in backend development using Java, JavaScript, and Python. He has demonstrated his technical capabilities by significantly reducing the starting time of a client's product from over 20 minutes to just 2-4 minutes. Furthermore, he upgraded the Nginx security score for a client's product from a C to an A+, showcasing his commitment to improving security and performance.
Continuous Learning and Professional Development
Jesús engages in continuous learning through online courses to stay updated with new technologies. This commitment to professional development reflects his dedication to enhancing his skills and adapting to the evolving landscape of software development.