Nestor Zaldivar, Software Developer in Montreal, QC, Canada
Nestor Zaldivar

Software Developer in Montreal, QC, Canada

Member since October 9, 2020
Nestor is a proficient and creative WordPress developer with a decade of experience building engaging and interactive websites. He has a solid knowledge of all aspects of WordPress website creation with extensive hands-on experience in back-end and front-end development.
Nestor is now available for hire




Montreal, QC, Canada



Preferred Environment

Ubuntu, MacOS, Git, PhpStorm

The most amazing...

...thing I've developed is a WordPress multisite for a travel agency that allows them to build and sell their tours through several websites with unique styles.


  • WordPress Developer

    2021 - 2022
    Global Technology Advisory Firm
    • Built a new WordPress theme from scratch to replace the old one, optimizing and improving the website performance.
    • Developed the front-end using a private UI library based on React, integrated React with WordPress, and created JavaScript features in React.
    • Wrote WordPress Unit Tests to verify each function or class method from the WP theme. Collaborated with the DevOps team to automate the unit testing in GitHub.
    • Added PHP_CodeSniffer with WordPress Coding Standards and ESLint for JavaScript to validate and ensure code quality.
    Technologies: PHP, WordPress, WordPress Themes, React, PHP CodeSniffer, ESLint, GitHub, HTML, CSS, SCSS, Advanced Custom Fields (ACF), PHPUnit
  • WordPress Developer

    2020 - 2021
    Teknicks [Toptal Projects]
    • Built a custom WordPress theme from scratch with Vimeo API integration for videos, managed content restriction for users, and integrated with Stripe API for subscriptions.
    • Developed another custom WordPress theme from scratch for a podcast website, with a custom solution to import podcasts and episodes from Megaphone to the website.
    • Set up a web server solution on DigitalOcean, installed SSL certificates, and set up WordPress instances.
    Technologies: WordPress, WordPress Themes, WordPress Plugins, Vimeo API, Stripe API, DigitalOcean, HubSpot, Bootstrap, GitLab
  • Web Developer

    2019 - 2020
    • Developed custom WordPress themes and plugins from scratch.
    • Contributed to the front-end development using BootStrap and jQuery.
    • Collaborated with an independent creative agency, Versal Studio, to update, change, or rescue WordPress projects.
    Technologies: Git, DigitalOcean, LAMP, jQuery, JavaScript, Bootstrap, CSS, HTML, WordPress, PHP
  • Web Developer

    2018 - 2019
    SimplyPHP Inc
    • Worked as a PHP back-end developer with the Laravel framework.
    • Contributed to several WordPress projects. Built plugins and themes from scratch.
    • Created custom HTML templates from PSD files using Bootstrap and jQuery.
    Technologies: Git, Bootstrap, jQuery, JavaScript, CSS, HTML, WordPress, Laravel, PHP
  • IT Team Leader

    2013 - 2018
    Cuba Education Tours
    • Managed the IT team. Helped with building and expanding the development team.
    • Helped other developers to succeed in their daily tasks and worked as a developer.
    • Helped direct, build, and engineer most of the company‚Äôs projects.
    • Developed custom WordPress themes and plugins for a multisite.
    • Optimized the performance of a WordPress multisite.
    • Helped with the Linux server maintenance (cPanel and WHM).
    Technologies: Git, Web Host Manager (WHM), Bootstrap, jQuery, JavaScript, CSS, HTML, MySQL, WordPress, PHP
  • Web Developer

    2010 - 2013
    • Architected several WordPress sites working very closely with designers.
    • Developed custom WordPress themes and plugins from scratch.
    • Contributed to the creation of custom HTML templates from Photoshop files.
    Technologies: jQuery, JavaScript, CSS, HTML, WordPress, PHP


  • Multisite WordPress Platform

    A WordPress multisite built for a travel agency with a unique custom-made theme and plugins.

    I was the team lead and senior developer, and working closely with the team, we were able to build a platform that allows the agency to create, promote, and sell their tours across their multisite. It also helps them follow every step of their clients to bring them the best experience in the process.

  • Website for a Montreal Real Estate Agency

    A WordPress website is built with a custom-made theme with a unique design provided by the client.

    The website is also integrated with the provider of their listings (Centris) which allows them to get automatically daily updates of their properties, reducing the administration work considerably.

    I was the front-end and back-end developer for this project.

  • The Joshua Network

    A WordPress website for audio and visual content, with a custom WordPress theme built from scratch, the option to import podcasts from Megaphone.
    I was the full-stack developer and in charge of the server environment set up on DigitalOcean.


  • Languages

    PHP, HTML, CSS, JavaScript, SQL, SCSS
  • Platforms

    WordPress, Mailgun, MacOS, Ubuntu, LAMP, DigitalOcean
  • Other

    WordPress Themes, WordPress Plugins, WordPress Installation, Web Host Manager (WHM), HubSpot, ESLint
  • Libraries/APIs

    jQuery,, Stripe API, Vimeo API, React, PHP CodeSniffer
  • Tools

    GitLab, PhpStorm, Git, GitHub, Advanced Custom Fields (ACF)
  • Storage

  • Frameworks

    Bootstrap, Laravel, PHPUnit


  • Bachelor's Degree in Computer Science
    2002 - 2008
    University of Havana - Havana, Cuba

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