Summary
Overview
Work History
Education
Skills
Certification
Timeline
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Juan Fernando Lozoya Valdez

Juan Fernando Lozoya Valdez

Full Stack Developer
Durango,DUR

Summary

Computer Systems Engineer with 7+ years of experience designing and developing web-based solutions, for companies all around the world. Specialized in frontend and full-stack development with a strong focus on modern JavaScript frameworks such as React. Proven ability to deliver high-quality, scalable applications in remote and distributed team environments. Experienced in driving performance, usability, and maintainability across diverse web platforms.

Overview

8
8
years of professional experience
1
1
Certification
2
2
Languages

Work History

Remote Front end developer

Functionize
09.2019 - 07.2025
  • Developed and maintained core features of the AI-driven testing platform using React, with a strong focus on performance, scalability, and responsive design.
  • Collaborated with globally distributed teams to enhance UI/UX, improve frontend responsiveness, and align with product goals.
  • Maintained and enhanced the backend architecture, primarily built with PHP, and developed Node.js microservices to support data processing.
  • Built Architect, a powerful Chrome extension that automatically records user interactions across websites for test automation.

Teach Lead

Ventus Technology
12.2018 - 09.2019
  • Led a team of 4 developers in delivering custom web applications tailored to client requirements using React Native.
  • Served as the primary point of contact for technical decision-making and solution design.

Resident engineer

CIMAV
06.2017 - 12.2017
  • I worked on a project focused on developing a cross-platform, semi-multi-tenant application for conducting field sampling of environmental pollutants using React Native.

Education

Bachelor of Engineering (B.E.) - Computer Systems Engineering

ITD | Durango Institute of Technology
Durango, Mexico
01.2017

Skills

Frontend: React, React Native, Vuejs, Angular, JavaScript, Typescript, HTML5, CSS3, Tailwind, Bootstrap

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Certification

Https://www.hackerrank.com/certificates/311b4cc1022d

Timeline

Https://www.hackerrank.com/certificates/311b4cc1022d

07-2025

Remote Front end developer

Functionize
09.2019 - 07.2025

Teach Lead

Ventus Technology
12.2018 - 09.2019

Resident engineer

CIMAV
06.2017 - 12.2017

Bachelor of Engineering (B.E.) - Computer Systems Engineering

ITD | Durango Institute of Technology

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Juan Fernando Lozoya ValdezFull Stack Developer