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Full Stack Developer

Hey, I'm Jefferson Gudiel

+ 6 years of experience as Full Stack Developer specialized in Frontend. Expert in creating optimized and functional user interfaces, combining deep technical knowledge with a focus on performance and user experience.

Work experience

  1. •

    Senior Frontend Developer

    Unielogics

    Led the complete redesign of Unielogics' UX, creating a more intuitive and user-friendly interface aligned with client needs. Optimized routing and navigation architecture, improving authentication, auto-redirects, and path structuring. Designed and developed new interactive components, enhancing platform usability and operational efficiency. Integrated Stripe payment gateway, implementing security best practices and scalable methodologies for transaction management. Developed and implemented unit and integration tests to ensure code stability and quality. Automated deployment processes using CI/CD, optimizing continuous delivery of new features. Applied MVVM design patterns and component modularization to improve maintainability and scalability. Ensured compliance with development standards and optimized performance for system stability and scalability.
    Unielogics preview 0
    Unielogics Website
  2. •

    Chrome Extension Developer

    Unielogics

    Designed, developed, and optimized the Unielogics Chrome extension, enhancing functionality and performance. Improved user experience and API integration to ensure efficient communication with internal systems. Managed the publication and maintenance of the extension in the Chrome Web Store, ensuring compliance with Google's policies.
    Unielogics preview 0
    Unielogics Chrome Extension
  3. •

    Project Manager

    Logistic Enterprises S.A

    Led project management efforts, ensuring the delivery of efficient and optimized solutions that met client objectives. Advised teams and companies on selecting technologies and architectures best suited for their needs and long-term goals.
  4. •

    Lead FrontEnd Architect

    BLP S.A.

    Developed a unified platform of components and tools to accelerate product delivery across the company. Implemented CI/CD practices, reducing deployment times by over 80%. Led web performance improvements in Shopify by implementing best practices, DataDog monitoring, and strategic enhancements. Built a cookie management tool to ensure compliance with user permission consent laws. Introduced innovative solutions such as Ship/Show/Ask on GitHub, Rust for compilation speed optimization, parallelized CI jobs, and AWS scaling improvements.
  5. •

    Full-Stack Developer

    Freelancer

    Developed intuitive and efficient user interfaces, enhancing user experience and usability in various web applications. Designed and developed robust APIs, ensuring smooth communication between frontend and backend. Implemented advanced security measures and granular permission control to enhance web application security. Improved application performance and scalability, ensuring optimal operation under high user and data loads.
  6. •

    Front-End Developer

    Freelancer

    Created and optimized intuitive, accessible user interfaces to improve product interaction. Specialized in responsive design, ensuring web applications are accessible across various devices. Collaborated with backend teams to integrate APIs and services for seamless communication. Implemented optimization techniques to enhance web application speed and performance.

Skills

Front-End

HTML
HTML
CSS
CSS
JavaScript
JavaScript
React.js
React.js
Next.js
Next.js
Tailwind CSS
Tailwind CSS
TypeScript
TypeScript
Bootstrap
Bootstrap
Sass
Sass

Back-End

Node.js
Node.js
Prisma
Prisma
Nest.js
Nest.js
Express.js
Express.js
Python
Python
PHP
PHP
C#
C#
Rust
Rust
Java
Java

Database

MongoDB
MongoDB
MySQL
MySQL
PostgreSQL
PostgreSQL
SQLite
SQLite

Cloud

AWS
AWS
Cloudflare
Cloudflare
Vercel
Vercel
DigitalOcean
DigitalOcean
Netlify
Netlify
Supabase
Supabase

Tools

Git
Git
Github
Github
Slack
Slack
Notion
Notion
Figma
Figma
Canva
Canva

🌐Business Projects and More Highlights🌐

If you liked what you've seen so far, I invite you to explore my full portfolio. There you'll find a variety of innovative and creative projects I've developed, each with its own unique set of challenges and solutions.🚀

Screenshot of University blog, built with Next.js, TypeScript and Tailwind CSS
Icon for TypeScriptTypeScript
Icon for Next.jsNext.js
Icon for Tailwind CSSTailwind CSS

University blog

Blogging software for Galileo University, facilitating access to events, courses, and careers. The project includes interaction between users and administrators to manage updates and accumulate funds through interactions to support students in their educational opportunities.

Screenshot of Weather app, built with Next.js, Tailwind CSS
Icon for TypeScriptTypeScript
Icon for Next.jsNext.js
Icon for Tailwind CSSTailwind CSS
Icon for React JSReact JS
Icon for JavaScriptJavaScript

Weather app

An application created for a travel company allows you to check the world's weather with data such as temperature and forecast, making travel planning easier.

Screenshot of Task platform, built with NEXT JS, TYPESCRIPT, REACT JS, TAILWIND CSS, PRISMA, MONGODB
Icon for Next.jsNext.js
Icon for Tailwind CSSTailwind CSS
Icon for React JSReact JS
Icon for TypeScriptTypeScript
Icon for PrismaPrisma
Icon for Express.jsExpress.js
Icon for Node.jsNode.js
Icon for MongoDBMongoDB

Task platform

Task platform for enterprises, developed as a MERN Stack, including authentication and user roles. This platform allows employees to manage tasks and projects efficiently, facilitating collaboration and tracking progress in real time.

Screenshot of Drawing app, built with Next.js, Tailwind CSS, Javascript and Typescript
Icon for TypeScriptTypeScript
Icon for Next.jsNext.js
Icon for Tailwind CSSTailwind CSS
Icon for JavaScriptJavaScript

drawing app

A real-time drawing app is now used in a low-income school and by psychologists, helping students express themselves creatively and improve their emotional well-being.

Education

  1. •

    Mechatronics Engineering

    Galileo University of Guatemala

    Engineering training with a focus on the integration of mechanical and electronic systems, programming, and design of automated systems. Honors: Honors in the subject of programming.
  2. •

    Bachelor in Computer Science

    The Alamo School

    Comprehensive preparation in computer science, including programming, networks, and operating systems. Bachelor's Degree in Computer Science, Guatemalan. Honors: Honor to the Outstanding Student in the area of Computing.

About me

My name is Jefferson, but my friends call me Jeff. I started programming when I was 16. I am currently involved in creating freelance projects with a vision to found my Start-Up.

Some of my successes include Development of a unified platform of components and tools, improving efficiency and flexibility in development.

As an independent and dependent content creator, I have several educational and work-related recognitions. Premio a la Contribución Destacada, Premio al Mérito Académico y Cum Laude Throughout my career. My goal is to improve community employability and unrestricted access.

Jefferson Gudiel