Lizza X
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Gustavo Lizárraga

Gustavo Lizárraga

Founder, Systems and Computer Science Engineer, Software Architect & DevRel

13+Years of Experience
45+Apps Developed
16,000+Students Trained
The Founder

The Engineer Behind the X

Hi, I'm Gustavo Lizárraga, Systems and Computer Science Engineer. I founded Lizza X with a clear mission: to build exceptional software, foster vibrant technology communities, and train the next generation of engineers for the international market.

With over 13 years of experience in the mobile development and cloud systems ecosystem, I have worked as a software engineer, consultant, university professor, international speaker, and online instructor. My approach combines the technical rigor of SOLID principles and clean architecture with the dynamism of Artificial Intelligence and Developer Relations (DevRel) strategies.

Clean code following SOLID principles
Absolute focus on fluid & responsive UI/UX
Native AI integration in mobile workflows

My Professional Journey

Discover the key milestones of my career divided into my three major areas of impact.

2025 - Present

Lead Software Engineer & Founder

Lizza X LLC

Technical leadership in designing robust mobile architectures (Kotlin Multiplatform, Swift, Flutter) and building advanced AI solutions for the international market.

Jul 2016 - Present

Mobile Software Engineer

Freelancer.com (Self-Employed)

Delivered 35+ high-performance Android & iOS apps (Kotlin, Swift, Flutter, React Native). Engineered 'yoreportoBolivia' (national election app, 40k+ daily reports) and a Pilot Logbook app for Amaszonas airline.

Jan 2016 - Jun 2016

Android Software Engineer

Mojix Inc. & CodeRoad

Built core Android modules for major U.S. retail clients, integrated RFID readers and Bluetooth devices with ViZix and RIoT platforms, and improved inventory tracking systems.

Volunteering & Recognitions

My participation and leadership in global technology programs.

2019 - 2023

GitHub Campus Expert

GitHub Education

Student leadership and open-source culture evangelist within academic institutions, organizing workshops on Git, GitHub, and contribution best practices.

2019 - Present

Auth0 Ambassador

Okta / Auth0

Security advocate focusing on identity management, authentication best practices, and secure user flows through talks and technical workshops.

2011 - Present

GDG (Google Developer Groups) Community Lead

Google Developers

Organizing and speaking at official Google developer events covering Android, Flutter, Firebase, and Google Cloud Platform.

Technology Ecosystem

The toolset I leverage to engineer robust, high-speed, and maintainable products.

Kotlin
Swift
Flutter
Kotlin Multiplatform
Jetpack Compose
SwiftUI
React
Next.js
TypeScript
Vanilla CSS
OpenAI API
LangChain
Gemini Edge / Nano
CoreML
AWS
Supabase
Serverless Functions
PostgreSQL
GitHub Actions