Hi, I am

Juseph Ortiz

Senior Full Stack Developer
& Frontend Architect

Havana, Cuba

With over 5 years of experience building scalable, high-performance web and mobile applications from the database to the UI. I blend deep technical knowledge with a product-driven mindset.

01. Profile & Awards

Founder and architect of TuViaje, where I implemented critical analytics for strategic decisions. At Guajiritos S.A., I engineered an innovative multi-tenant CSS system serving 90% of Cuban tour operators. Passionate about web performance: successfully reduced total load times from 6.5s to 1s (77% improvement).

Platzi Certifications

Frontend with Angular & RxJS (2024)

Silver Medal

National Programming Contest (2017, 2018)

ICPC 2022

Regional Qualifier

02. Technical Skills

Frontend Core

Angular (2+) React Next.js Vue Ionic TypeScript JavaScript ES6+ HTML5 / CSS3 Tailwind

Backend & APIs

NestJS Laravel Node.js REST APIs Inertia.js

Architecture & Performance

Micro-frontends Multi-tenant CSS Lazy loading SSR / SEO Bundle optimization

Languages

Native Spanish English B1 Chinese HSK1

03. Professional Experience

Founder & Full Stack Architect

TuViaje (Live App)
Feb 2025 – Present

Conceptualized, architected, and built a hybrid mobile application for travel planning from scratch. Built with Ionic, NestJS, TypeScript, and PostgreSQL under a scalable architecture.

  • App safely in production generating sales with a customized analytics module.
  • Highly scalable architecture with heavily optimized API capabilities.

Senior Frontend Developer & Tech Lead

Guajiritos S.A.
Apr 2024 – Jun 2025

Core frontend development for the sales module of a GDS handling 90% of Cuban tour operators. Maintained a high-availability mission critical platform.

  • Architected a multi-tenant frontend system in Angular enabling dynamic CSS loading on the fly.
  • Mentored junior developers and effectively escalated code quality via strict code reviews.

Full Stack Developer

Ingenius Tecnologias
Feb 2023 – Mar 2024

Developed multiple e-commerce platforms and internal tools utilizing Laravel, Vue, React, and NestJS.

  • Performance optimization: Cut FCP from 1.7s to 0.5s and overall LCP by 77%.
  • Halved overall bundle sizes (>40%), greatly improving Lighthouse scores and SEO visibility.

Frontend Developer (Freelance)

Happycan.es / PhotoPrint / AutoLanding
2021 – 2025

Continuous development for international clients optimizing UI architectures in Angular, React, and NextJS for B2B dashboards and highly-converting landing pages.

04. Let's Talk?

I am currently open to new opportunities where I can contribute as a Frontend Architect or Senior Dev to build incredibly sleek digital experiences.