Alejandro Pérez

Computer Engineer with 9+ years of experience building production web and mobile applications for international clients across Spain, Cuba and Bolivia. Specialized in React.js, TypeScript and Strapi CMS, with strong experience in mobile development (React Native, Android) and end-to-end testing (Playwright, Cypress). Early adopter of AI-powered development (Claude AI, Cursor IDE), reducing delivery time by ~60% while keeping high code quality. I also build and maintain personal SaaS products in production.

1. Full Stack Developer (Frontend Focus) · KODS.AI

   2023 — Present

   Remote · Havana, Cuba

   • Build and maintain React.js + TypeScript web platforms for international clients across Spain and the European Union.
   • Architected and integrated Strapi CMS as a headless backend, enabling content teams to manage data independently from the frontend.
   • Integrated Claude AI and Cursor IDE into the daily workflow for code generation, automated review and refactoring — cutting estimated delivery times by ~60%.
   • Designed and implemented automated E2E test suites with Playwright and Cypress, significantly reducing production regressions.
   • Live projects: kods.ai · app.tikneo.com · app.orlegitech.com · zendinit.com.

   React.jsTypeScriptStrapiPlaywrightCypressClaude AICursor IDEReact Native

2. Full Stack Developer (parallel contract) · DESOFT

   2023 — 2025

   Remote · Havana, Cuba

   • Delivered React.js web platforms for educational institutions and corporate clients.
   • Built Android applications with Android Studio (Java / Kotlin).
   • Delivered: histolword.corpsc.com · humancore.corpsc.com · tikneo.corpsc.com · pop.corpsc.com.

   React.jsAndroid StudioJavaKotlin

3. Frontend & Mobile Developer · CENTINELA

   2021 — 2023

   Remote · Havana, Cuba

   • Developed React.js web interfaces for management and security systems.
   • Built cross-platform mobile applications with React Native.

   React.jsReact Native

4. Backend Developer (Ruby on Rails) — parallel contract · CENIT / CENCO

   2020 — 2021

   Remote · Havana, Cuba

   • Backend development of the velosimo.com platform in Ruby on Rails.
   • Web modules with React.js, Vue.js and Symfony; REST API integration.

   Ruby on RailsReact.jsVue.jsSymfonyPostgreSQL

5. Frontend & Mobile Developer · SEVAC / Joven Club de Computación

   2019 — 2022

   Havana, Cuba

   • Built Android APK for the Civil Aviation Services Company (Java, Android Studio).
   • Developed mobile phone directory app for the nationwide Joven Club network.
   • Built React.js web frontends with Symfony REST APIs and Strapi headless CMS.

   React.jsAndroid StudioStrapiSymfonyJava

6. Database Admin & Web Developer · Dirección de Tecnología y Sistemas · CIT · INFOCAP

   2011 — 2018

   Havana, Cuba

   • Administered PostgreSQL / MySQL databases in critical production environments; optimized SQL queries and automated backups (2016-2018).
   • Built accounting and HR modules using PHP/Yii Framework, web programming and data analysis (2011-2015).

   PostgreSQLMySQLPHPYii