Hi, I'm Juan Pablo

Bilingual Front-End Developer specialized in React and Next.js. I transform user frustrations into seamless experiences, combining one year of professional experience with over two years of self-taught development and freelance projects. Engineer based in Mexico.

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import { skills } from './tech-stack'

Tech Stack

Technologies I've been working with to bring ideas to life

Frontend

JavaScript

TypeScript

HTML

CSS

React

Next.js

Tailwind

Backend

Node.js

Express.js

NestJS

SQL

MongoDB

Herramientas

Git

Figma

Jest

AWS

git checkout projects

Projects

A selection of my recent professional work at PKT1 and personal projects

git log --oneline

Work Experience

From Industrial Engineering to Professional Web Development

July 2024 - Present(1 year)Los Mochis, Sinaloa Mexico

Front-End Developer

PKT1 - Sustainable Logistics Company, Mexico-Chile.

✓Co-led the complete rebuild of Onsite 2, a critical logistics platform
Migrated legacy system (jQuery) to React/Next.js/TypeScript over 10 months.
Contributed to achieving 60% cost savings vs outsourcing (~$360K pesos) through internal delivery.
Significantly improved UX and codebase maintainability.
✓Optimized performance for high-volume data views
Achieved 0.4s First Contentful Paint (4.5x better than Google's 1.8s standard).
Reached 1.6s maximum Largest Contentful Paint (37% better than Google's 2.5s standard).
Eliminated input lag by scaling from 10 to 2,000+ items through virtual scrolling and pagination.
Reduced API calls by 60% implementing intelligent debouncing, improving user experience and reducing server costs.
✓Established modern, scalable frontend architecture
Designed modular system using Next.js App Router and Tailwind CSS.
Reduced code duplication by creating reusable, scalable components.
Documented development patterns for team knowledge sharing.
✓Developed and maintained 'Management' platform with new features
Built analytics and monitoring modules that accelerate decision-making.
Stabilized legacy modules with minimal regressions.
✓Delivered reliable integrations with legacy backend APIs
Implemented comprehensive error handling while maintaining system stability.
Ensured data consistency across platforms.
✓Implemented comprehensive testing for platform stability
Established unit testing (Jest) and integration testing (React Testing Library).
Ensured robustness across critical platform components.

January 2022 - July 2024(2.5 years)

Freelance & Self-Taught Web Developer

Transitioning from industrial engineering to web development, I self-taught and built custom solutions for entrepreneurs, addressing real client needs. While some businesses closed for personal reasons, my delivered products consistently met their technical purpose and operated successfully.

✓Architected and built from scratch a complete fullstack e-commerce platform (Regina & Gael Studio), integrating complex functionalities such as user authentication, payment gateway (PayPal), product management, and secure digital file delivery.
✓Designed and launched a fully responsive marketing website (Okayhey Temazcal) with Contentful CMS integration, enabling non-technical users to manage and update dynamic content, including blogs, FAQs, and photo galleries.
✓Managed complete development lifecycle independently, from design and planning through implementation and deployment.
✓Applied self-taught expertise in TypeScript, serverless architecture, RESTful APIs, and modern frontend development using React.

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Let's Connect

Ready to explore how I can add value to your team. Please feel free to get in touch

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Los Mochis Sinaloa, Mexico