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Nicolas QuintanillaNQ

Nicolas Quintanilla

Mid-Level Full-Stack Web Developer

€189/day
Brasília, BR
3-7 years

Average response time: 1 hour

About Nicolas

Full-Stack Web Developer specialized in PHP (CodeIgniter & Laravel), WordPress/WooCommerce and PWA applications.
I build fast and responsive websites, landing pages, funnels, and e-commerce platforms with focus on performance, UX and clean code.
Experience with back-end development, MySQL database structure, API integrations, debugging, and version control (Git).
Front-end development using Bootstrap, jQuery and custom layouts, including UI adjustments for higher conversion.
I also configure Google Tag Manager and Google Analytics to track clicks, conversions, scroll depth and user behavior across sales funnels.
In addition, I design banners, product images and marketing visuals for websites and ads.
Available for quick fixes, landing pages, WooCommerce configuration, store optimization and full development projects.
  • Portuguese

    Native or bilingual

  • English

    Basic

  • Spanish

    Basic

  • Italian

    Basic

Remote only
Primarily works remotely

Experience

  • DeliveryOn
    Junior Developer
    DIGITAL AND IT
    September 2023 - May 2024 (8 months)
    Full project development using the CodeIgniter PHP framework, Bootstrap, and jQuery to build dynamic interfaces and feature-rich applications. Creation of stored procedures and queries in MySQL.
    Experienced in designing and maintaining database tables, ensuring data integration and system scalability.
    Version control using Git, ensuring efficient collaboration between team members and maintaining a clean and organized history of project changes.
    Codeigniter PHP Bootstrap Javascript / JQuery Git
  • HEXING ENERGY
    DevOps
    DIGITAL AND IT
    June 2024 - September 2025 (1 year and 3 months)
    In addition to my main responsibilities, I also worked on handling DevOps requests, performing Python code refactoring, and developing automations to optimize internal processes.I was responsible for configuring and customizing GLPI, working on both the interface and backend to create custom fields and implement specialized automation flows.I also made adjustments and configurations in Zabbix, through both the interface and direct code modifications, ensuring efficient monitoring tailored to the company’s needs.
    PHP Python JavaScript Swagger API
  • G8
    Full-Stack Developer – PWA Applications & Conversion Funnels
    DIGITAL AND IT
    October 2025 - November 2025 (1 month)
    Full-stack development focused on building Progressive Web Applications and high-conversion sales funnels.
    Responsible for structing, coding and deploying responsive landing pages, checkout flows, product pages and marketing assets.
    Created PWA features including offline usage, push notifications, local data storage, performance optimization and cross-device compatibility.
    Worked on both front-end and back-end using PHP, CodeIgniter, Laravel, MySQL, JavaScript, jQuery, Bootstrap and service workers.
    Implemented Google Tag Manager and Google Analytics to track clicks, scroll depth, events, user behavior and performance metrics across funnels and landing pages.
    Also handled API integrations, debugging, SEO improvements and UX adjustments to increase user engagement and conversion rates.
    Codeigniter PHP JavaScript HTML5 Google Analytics

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Education

  • Bacharelado em Sistemas de Informação
    Universidade UniFOA.
    2023
    Bachelor’s Degree in Information Systems
  • Computação Gráfica
    Treina+
    2019
    Computer Graphics

Skill set

Categories