Sabbir Hasan, Developer in Tallinn, Estonia
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Sabbir Hasan

Verified Expert  in Engineering

WordPress Developer

Location
Tallinn, Estonia
Toptal Member Since
March 23, 2021

Sabbir is a Zend Certified PHP developer with solid PHP, OOP PHP, JavaScript, jQuery, and WordPress expertise. He has been working as a full-stack WordPress developer for more than eight years. He has completed over 300 projects with 100% client satisfaction. Besides WordPress, Sabbir has extensive knowledge of Shopify development. With his demonstrated project history, knowledge of web technologies, and WordPress expertise, Sabbir can choose and deliver the best tech stack for your project.

Portfolio

Online Freelance Agency
Bootstrap, CSS, Git, HTML, JavaScript, jQuery, PHP, MySQL, Vue, WordPress...
TruConnect, LLC.
WordPress, CSS, WordPress API, Elementor, HTML, JavaScript, PHP...
ThemeBucket
PHP 7, WordPress, WordPress API, WordPress Plugins, jQuery Plugins, Elementor...

Experience

Availability

Full-time

Preferred Environment

Visual Studio Code (VS Code), Git, PHP, WordPress, MySQL, SCSS, Vue, jQuery, Tailwind CSS, Advanced Custom Fields (ACF), WordPress Design, WordPress Optimization

The most amazing...

...thing I've developed as part of a team was a WordPress plugin named "Happy Add-ons for Elementor" that has globally over 100,000 active installations!

Work Experience

Full-stack Web Developer

2015 - PRESENT
Online Freelance Agency
  • Worked on more than 180 projects with over 3,000 working hours, helping clients achieve their goals.
  • Renovated and revamped websites which improved the overall performance and technical SEO.
  • Developed WordPress themes and plugins from scratch; also extended existing plugins and themes.
Technologies: Bootstrap, CSS, Git, HTML, JavaScript, jQuery, PHP, MySQL, Vue, WordPress, Responsive, WooCommerce, HTML5, WordPress Optimization, GTmetrix, Content Delivery Networks (CDN), Amazon Web Services (AWS), Image Compression, Video Compression, Website Optimization, Avada, WP Super Cache, WPML, Figma, CSS3, Shopify, Divi, Zeplin, SVG, Search Engine Optimization (SEO), Web, Web Development, Liquid, Liquid Template, Google Tag Manager, Google Analytics, Front-end, Advanced Custom Fields (ACF), ACF PRO, Web Accessibility, Node.js, Web Design, SQL, Web UI Design, Web UX Design, WordPress Design, eCommerce, User Experience (UX), PayPal API, Alpine.js, WordPress REST API, RSS Feeds, Shopify Theme, PSD to Shopify, Shopify Customizations, Shopify Design, LEMP, Gravity Forms, Web Hosting, Dedicated Web Hosting, Web Hosting & Domain Setup, Website Maintenance, Sketch, Squarespace, Shopify Plus, Gutenberg Editor, Adobe Experience Design (XD), CSS3 Animation, Webpack, Shopify Payments

Elementor WordPress Developer

2022 - 2022
TruConnect, LLC.
  • Improved the overall layout of the website to make it more uniform.
  • Created multiple design templates following Figma design. The templates included a custom Megamenu with a different design for desktop and mobile.
  • Developed a custom plugin as an addon pack of Elementor with multiple custom addons. This added a custom functionality to the website.
Technologies: WordPress, CSS, WordPress API, Elementor, HTML, JavaScript, PHP, WordPress Design, WordPress Optimization, User Experience (UX), Web Hosting & Domain Setup, CSS3 Animation

Senior Software Engineer

2021 - 2022
ThemeBucket
  • Developed and revamped a user-facing WordPress plugin with over 100,000 active installations.
  • Used Git for version control of the codebase, Slack for inter-team communication, and Trello for tracking tasks and issues.
  • Created new widgets and introduced a new plugin feature that helped gain new users.
Technologies: PHP 7, WordPress, WordPress API, WordPress Plugins, jQuery Plugins, Elementor, Responsive, Yarn, HTML5, WPML, CSS3, SVG, Google Tag Manager, Google Analytics, Front-end, Information Architecture (IA), WordPress Design, User Experience (UX), LEMP, DevOps, CSS3 Animation, Webpack

Software Engineer

2017 - 2020
Hellotask
  • Developed an initial back end using Laravel and front end with WordPress. There was an API to communicate between the front and back end. This helped to run the entire platform smoothly.
  • Tracked issues and goals using Jira and team communication using Slack.
  • Renovated the system design and user-facing website resulting in 400 new user engagements.
Technologies: Bootstrap, PHP, Laravel, APIs, WordPress, Responsive, SVG, Web Development, Web, Web Design, Information Architecture (IA), SQL, Web UI Design, WordPress REST API, LEMP, Linux, DevOps, Dedicated Web Hosting, Web Hosting & Domain Setup, Adobe Experience Design (XD), CSS3 Animation, Webpack

WordPress Developer

2011 - 2015
Self-employed
  • Developed around 50 WordPress websites from scratch with handcrafted themes, managed them, and provided additional support.
  • Managed the code with Git and used Trello for progress checking and bug reporting.
  • Developed a REST API for websites. It enabled the ability to easily create mobile applications, increasing the number of platform-specific users.
Technologies: Bootstrap, CSS, Git, JavaScript, WordPress, HTML, WordPress Plugins, Responsive, HTML5, WordPress Optimization, GTmetrix, Content Delivery Networks (CDN), Amazon Web Services (AWS), Image Compression, Video Compression, Website Optimization, Avada, WP Super Cache, WPML, Figma, CSS3, Shopify, Divi, Zeplin, SVG, Web Development, Web, Google Tag Manager, Google Analytics, Front-end, Advanced Custom Fields (ACF), ACF PRO, Web Design, Web UI Design, Web UX Design, WordPress Design, User Experience (UX), PayPal API, Alpine.js, WordPress REST API, DevOps, Web Hosting, Dedicated Web Hosting, Web Hosting & Domain Setup, Website Maintenance, Gutenberg Editor, Adobe Experience Design (XD), CSS3 Animation, Webpack

A Dental Website

A WordPress-based website for dentists based on a design (PSD document).

I was responsible for converting the design into a WordPress theme and transforming it into a functional dynamic website. My goal was to use fewer plugins and specifically develop everything for this website. This helped to boost the SEO score and overall website performance. I also used ACF as a theme builder with custom-crafted content blocks. I also made reusable content blocks and made them dynamic with ACF.

Portfolio for a Wedding Photographer

https://www.garynunn.co.uk/
A WordPress and Pro Photo-based website.

I was responsible for redoing the website from scratch as well as developing some core functionalities. I've also organized the website contents and made sure no technical SEO issue was left.

Company Portfolio for Heathcare Software Solutions

https://wellsky.com/
A WordPress-based company portfolio.

I was responsible for developing the front end based on an existing theme and templates. I also needed to make sure the brand identity was fully present and visible within the website.

Website for an Animal Welfare Nonprofit

https://dogsbydebin.com/
Dogs by Debin is an organization focused on dog welfare and facilitates dog adoptions.

I was approached to redo the entire website based on their brand and their ideas. I developed the theme from scratch and wrote a plugin to handle internal functionalities.

An Add-on Pack for Elementor Page Builder

https://happyaddons.com/
At a previous company, I developed a WordPress plugin called "Happy Add-ons for Elementor" for Elementor Page Builder. The free version has more than 100,000 active installations resulting in a huge project. I was responsible for constructing the plugin core as well as developing widget blocks.

Crypto Website

https://mozaic.finance/
A WordPress-based website for a cryptocurrency token company that shows everything related to the token.

For data management, I've used ACF PRO and some custom coding to create a component-based approach to the development.

The back end can fully manage the visible contents on the front end. Advanced-level CSS animation is used for the website.

TaxHouse

https://taxhouse.com.bd
TaxHouse is a web platform to manage and submit tax returns with ease. The front-end website is WordPress based, while the back-end portal is a Laravel-based web application with a Vue.js front end. The whole system includes many features like bookkeeping, automatic return generation, summary, history, and many more.

Los York Portfolio

https://losyork.tv
I created a company portfolio for a creative agency that works with big tech and celebrities and has its own label.

A custom-developed WordPress theme was used. The theme was developed based on provided design and was made sure to perform.

Los York Films

https://losyorkfilms.com/
Los York Films is a creative production company. The website was built on WordPress with a custom-developed theme. For data management, ACF is being used. The theme was properly optimized to perform and load super fast.

Senior Shopify Developer

A Shopify store rebranding project where I helped to migrate to a new design and branding using Liquid, Alpine.js, and webpack-based asset bundling. For this project, GitHub-based CI/CD was used. I was responsible for building many complex features as well as implementing new designs from Figma.
2016 - 2020

Bachelor's Degree in Geography

Shahjalal University of Science and Technology - Sylhet, Bangladesh

DECEMBER 2020 - PRESENT

Zend Certified PHP Engineer

Zend

Libraries/APIs

WordPress REST API, Liquid, PayPal API, jQuery, Node.js, Vue, WordPress API, jQuery Plugins

Tools

WPML, Figma, Zeplin, Google Analytics, Adobe Experience Design (XD), GitHub, Advanced Custom Fields (ACF), ACF PRO, Sketch, Git, Shopify Plus, Gutenberg Editor, Webpack, Gulp, Composer, GIS

Frameworks

Bootstrap, Yarn, Divi, Tailwind CSS, Alpine.js, Laravel

Languages

PHP, SCSS, HTML, PHP 7, JavaScript, CSS, HTML5, CSS3, Liquid Template, SQL, Sass

Paradigms

Responsive, Web UI Design, Web UX Design, Search Engine Optimization (SEO), DevOps

Platforms

WordPress, WooCommerce, Shopify, Web, Amazon Web Services (AWS), LEMP, Linux

Industry Expertise

Web Design

Storage

MySQL, RDBMS

Other

WordPress Plugins, Elementor, WordPress Themes, WordPress Optimization, GTmetrix, Content Delivery Networks (CDN), Website Optimization, Avada, WP Super Cache, RSS Feeds, Web Development, Google Tag Manager, Front-end, CSS3 Animation, Web Accessibility, Shopify Customizations, Shopify Design, Gravity Forms, Web Hosting, Dedicated Web Hosting, Web Hosting & Domain Setup, Website Maintenance, WordPress Design, eCommerce, User Experience (UX), Dashboards, Web Dashboards, Admin Panels, Shopify Payments, Image Compression, Video Compression, SVG, PSD to Shopify, Shopify Theme, Information Architecture (IA), Squarespace, APIs, Programming, Tax Systems

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