Sajjad Hossain Sagor, Developer in Dhaka, Dhaka Division, Bangladesh
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Sajjad Hossain Sagor

Verified Expert  in Engineering

WordPress Developer

Location
Dhaka, Dhaka Division, Bangladesh
Toptal Member Since
October 26, 2022

Sajjad is a knowledgeable web developer who uses superior design to promote organization-specific website presence. He always follows a detail-oriented approach to maintaining website responsiveness, effectiveness, and security. Throughout his career, Sajjad has perfected his programming and technical analysis skills. He is a consistent problem-solver skilled at prioritizing and leading projects with proficiency and managing multiple priorities with a positive attitude.

Portfolio

Zone Entertainment Ltd
Eventbrite, Google Calendar, WordPress, HubSpot, APIs
Safe Start Child Proofing
Web Development, WordPress, Theme Customization, Amazon API, APIs, eCommerce...
Punching Pixels LLC
HubSpot, CSS, CSS3 Animation, JavaScript, WordPress, Web UX, Web UI...

Experience

Availability

Full-time

Preferred Environment

WordPress, PHP, MySQL, Linux

The most amazing...

...thing I've done is manage a group of seven junior developers, ensuring that a project budgeted at $1 million was done on time while meeting all key milestones.

Work Experience

WordPress and HubSpot Specialist

2024 - 2024
Zone Entertainment Ltd
  • Developed a plugin to sync data between three platforms: WordPress to HubSpot, HubSpot to Toast POS, and Toast POS to HubSpot.
  • Tracked and fixed bugs using Asana as a reporting tool.
  • Tested for several days with manual and automation processes to make it stable.
Technologies: Eventbrite, Google Calendar, WordPress, HubSpot, APIs

WordPress Web Developer

2023 - 2024
Safe Start Child Proofing
  • Transformed Figma designs into website pages with pixel-perfect precision, utilizing a combination of Vanilla CSS and incorporating Tailwind alongside Bootstrap for grid layout.
  • Developed custom fields to enhance the dynamism and interactivity of each page for administrators.
  • Integrated with various third-party services according to specific requirements.
  • Deployed on AWS with an emphasis on optimization, security configurations, and integration with load balancing and a content delivery network (CDN).
Technologies: Web Development, WordPress, Theme Customization, Amazon API, APIs, eCommerce, Cloudflare

HubSpot CRM Developer

2023 - 2024
Punching Pixels LLC
  • Designed web pages based on a Figma mockup, which are pixel-perfect and fully responsive for all devices.
  • Added many custom features into the HubSpot system for the back and front end.
  • Migrated the staging version of the HubSpot website to the production website and monitored it for stability.
Technologies: HubSpot, CSS, CSS3 Animation, JavaScript, WordPress, Web UX, Web UI, Search Engine Optimization (SEO), PHP, Mobile UI, User Interface (UI), Responsive Web Design (RWD), Cloudflare

WordPress Developer

2023 - 2023
Nexia Wellness
  • Configured self-hosted Jitsi conference software with load balancing on AWS.
  • Migrated and set up the company website to a HIPAA-compliance server.
  • Developed and customized company web applications and applied Figma designs to them. Used Git for version control and collaboration.
Technologies: WordPress, PHP, SEO Tools, APIs, Amazon Web Services (AWS), WordPress Theme Design, Responsive Web Design (RWD), Cloudflare

API Developer

2023 - 2023
Optima Digital LLC
  • Developed a custom plugin for the website to implement the Gravity Form API along with the Salesforce Litify API.
  • Worked with Google Ads API as well as Google Sheets API. Automated the process of submitting Google Ads leads from Gravity Form to Salesforce using Google Sheets API, Google Ads API, and Salesforce API.
  • Discussed site and plugin requirements with clients to produce actionable development plans.
  • Employed the latest technologies to make it secure and highly functional.
Technologies: Google APIs, Salesforce, WordPress, API Design, API Connectors, Google Ads, Google Ads API, Google API, Google Analytics, HubSpot, Zendesk, Responsive Web Design (RWD)

WordPress Developer

2023 - 2023
Nexia Wellness
  • Developed a custom plugin for the website to integrate with their own private 3rd-party API to fetch data and display it automatically.
  • Implemented Google-based SEO to optimize the site fully for search engine ranking.
  • Adhered to SEO best practices while designing websites.
  • Applied emerging technologies to update and maintain site applicability.
Technologies: WordPress, PHP, SEO Tools, APIs, Amazon Web Services (AWS), Search Engine Optimization (SEO), Zapier, Google Analytics, Zendesk, WordPress Theme Design, Responsive Web Design (RWD)

WordPress Plugin Developer

2021 - 2022
Freelance
  • Worked for a German-based company and developed many custom plugins following client requirements.
  • Converted many PSD and Figma designs to WordPress templates.
  • Assisted in customizing a company's checkout system.
  • Leveraged a strong understanding of WordPress core to manipulate admin and theme components.
  • Created and updated reusable code libraries to streamline the WordPress development cycle.
  • Converted design assets into component-based HTML, CSS, and JavaScript.
  • Implemented and assessed the performance of search engine optimization (SEO) best practices.
  • Collaborated with end users on project specifications, strategy, and execution to build new WordPress pages and update the existing ones.
Technologies: PHP, WordPress, jQuery, JavaScript, AngularJS, MySQL, Linux, PSD to WordPress, Stripe, Plugins, Integration, Databases, WordPress Plugins, APIs, Payment APIs, Zapier, Responsive Web Design (RWD)

Senior WordPress Developer

2021 - 2022
Freelance
  • Multi-tasked across multiple functions and roles to meet deadlines and organizational expectations.
  • Ran debugging tools to eliminate flaws and glitches before publishing a tool.
  • Integrated the system with more than 50 third-party services for payment gateways, analytics, automation, etc.
  • Implemented Google-based SEO and ad campaigns to meet budget specifications.
  • Validated third-party code to comply with internal standards and technical requirements.
  • Provided security maintenance and patching on a website interface to maintain viability after launch.
  • Developed GraphQL endpoints and integrated third-party libraries and services, including over 200 GraphQL API fields and over 50 GraphQL API mutations.
  • Performed pre-release and live diagnostic testing, eliminating bugs and security flaws from in-development and extant product releases.
  • Created an entire application back end using a WordPress GraphQL API.
  • Maintained advanced knowledge of several programming languages.
Technologies: PHP, WordPress, GraphQL, JavaScript, jQuery, MySQL, Redis, WP eCommerce, WordPress Plugins, APIs, Payment APIs, Elementor, Divi, Google Analytics, WordPress Theme Design

Full-stack WordPress Developer

2019 - 2021
Freelance
  • Incorporated graphic design knowledge into web app development, enhancing designs with additional rich media assets.
  • Created entire applications and patchable connectors for use with cloud-based platforms such as a YouTube API.
  • Analyzed user requirement reports to design web applications and meet customer needs and legal and budgetary restrictions.
  • Led effort to develop a companion application programming interface (API) for a web app to facilitate third-party plugins.
  • Implemented UI and usability changes based on customer feedback, addressing end user pain points with post-launch patches.
  • Worked in both HTML and CSS environments, choosing each protocol that would deliver the best results.
  • Designed, implemented, and monitored web pages, plugins, and functionality for continuous improvement.
  • Integrated a GamiPress user reward system and a YouTube API.
  • Set up an entire back end for a website with more than 200,000 active users and millions of YouTube subscribers. Optimized the whole server and website to make it stable for many active users.
  • Employed the latest technologies to make it responsive and highly functional.
Technologies: WordPress, PHP, MySQL, WordPress API, WordPress REST API, Google APIs, YouTube API, Gamification, WordPress Plugins, Full-stack, Payment APIs, Elementor, Divi, Responsive Web Design (RWD)

Freelance Full-stack WordPress Developer

2019 - 2021
Palazzo Wine
  • Planned website development, converting mockups into usable web presence with HTML, JavaScript, Ajax, and JSON coding.
  • Designed, implemented, and monitored web pages, plugins, and functionality for continuous improvement.
  • Implemented an audio API for background music while browsing the website.
  • Created a bundle wine purchase module and custom invoice templates.
  • Applied emerging technologies to update and maintain site applicability.
  • Developed the back and front ends for full compatibility with PSD pixel perfection.
  • Maintained advanced knowledge of several programming languages.
  • Planned website development, converting mockups in PSD and Figma into usable web presence with HTML, JavaScript, Ajax, and JSON coding.
  • Implemented UI and usability changes based on customer feedback, addressing end user pain points with post-launch patches.
  • Implemented Google-based SEO and ad campaigns to meet budget specifications.
Technologies: WordPress, JavaScript, PHP, MySQL, Linux, PSD to WordPress, jQuery, CSS, WordPress Themes, WordPress eCommerce, WordPress Plugins, Full-stack, Advanced Custom Fields (ACF), Front-end, Search Engine Optimization (SEO), Zapier, Membership Sites, Recurring Payments, MemberPress, Google Analytics

Full-stack Web Developer

2019 - 2020
London Storage
  • Converted many PSD designs to WordPress templates.
  • Converted design assets into component-based HTML, CSS, and JavaScript.
  • Provided security maintenance and patching on a website interface to maintain viability after launch.
  • Employed the latest technologies to make it responsive and highly functional.
Technologies: PHP, CSS, HTML, WordPress, Payment APIs, Front-end, Gutenberg Editor, Search Engine Optimization (SEO), Recurring Payments, Google Analytics

Freelance Full-stack WordPress Developer

2018 - 2020
Orna Ross
  • Converted PSD and Figma files into custom WordPress themes.
  • Developed and implemented SEO and A/B testing strategies to improve the effectiveness of marketing efforts.
  • Installed required plugins and additional coding to fit final design and functionality requirements.
  • Designed and implemented websites from initial concepts, site architecture, and wireframes to finished deliverables.
  • Provided timely resolution to reported website problems by integrating new solutions into existing platforms.
  • Reviewed application requirements and interface designs. Provided feedback on feasibility.
  • Conducted wireframe and content reviews with clients as part of an iterative design process.
  • Designed responsive, mobile-first websites from design concepts.
  • Delivered quality commercial websites that met coding standards and cross-browser compatibilities.
  • Converted design assets into component-based HTML, CSS, and JavaScript.
Technologies: WordPress, PHP, MySQL, Linux, JavaScript, jQuery, WordPress API, HTML to WordPress, WordPress Design, WordPress eCommerce, WordPress Plugins, Full-stack, Advanced Custom Fields (ACF), Front-end, Gutenberg Editor, Recurring Payments, MemberPress

Freelance Full-stack WordPress Developer

2018 - 2019
Ricardo Chavez Enterprises
  • Provided front-end website development using WordPress, HubSpot, and other editing software.
  • Planned website development, converting mockups into usable web presence with HTML, JavaScript, Ajax, and JSON coding.
  • Applied emerging technologies to update and maintain site applicability.
  • Discussed site and app requirements with clients to produce actionable development plans.
  • Adhered to SEO best practices while designing websites.
  • Coded websites using HTML, CSS, JavaScript, PHP, and jQuery languages.
Technologies: WordPress, WordPress API, PHP, MySQL, Linux, Web Development, WordPress eCommerce, WordPress Plugins, Full-stack, Advanced Custom Fields (ACF), Gutenberg Editor

WooCommerce Plugin

https://github.com/sajjadh47/woo-product-page-social-share
A WooCommerce product page social share plugin is an open-source plugin to share product pages to various social platforms. I built this plugin many years ago, and it has more than 5,000 active installs.

Trading Software Website

http://12tradepro.com
12TRADEPRO is an automated trading system that provides the best-automated trading options with deep analysis, consultancy, and support. I developed internal plugins following the clients' custom requirements.

The Law Man | WordPress Website

https://www.thelawman.net
A law firm website for which I developed several plugins. Most of the plugins were used for automating a system of blogs and events. I integrated custom analytics for specific reasons and added many complex forms to get user input.

Advanced Category and Custom Taxonomy Image | WordPress Plugin

https://wordpress.org/plugins/advanced-category-and-custom-taxonomy-image/
An Advanced category and custom taxonomy image plugin. I developed this plugin for an open-source platform. Users can easily upload images for building custom taxonomies with this plugin and show an image in a template file.

Free WooCommerce Products Slider and Carousel Pro | WordPress Plugin

https://wordpress.org/plugins/woo-products-slider-pro/
A free WooCommerce product slider and carousel pro that allows users to create unlimited sliders and carousals for the front end to show products. This is the best-sold, top-rated, and custom taxonomy-filtered product.

SecurionPay | Payment Gateway for WooCommerce

https://wordpress.org/plugins/wc-securionpay/
A custom payment gateway plugin to integrate SecurionPay into a WooCommerce payment system. Users can now quickly pay using SecurionPay with this plugin. It uses the official API to connect to a SecurionPay server.

Manager of Store Opening and Closing Hours

https://wordpress.org/plugins/store-opening-closing-hours-manager/
An open-source plugin that allows users to install this manager and enable store opening and closing times easily. Administrators can select when users can see a website or inform them about it opening soon. They can also restrict users from adding products to a cart and checkout.

Plugin to Create Multiple Posts and Pages

https://wordpress.org/plugins/wp-create-multiple-posts-pages/
A plugin that allows users to create bulk posts and pages with a title at once. It comes with an option to choose a taxonomy. Users who need to make many posts and pages can benefit from this plugin as they do not need to click on the "Add New" command each time.

Languages

PHP, JavaScript, CSS, HTML, GraphQL

Frameworks

Divi, Next.js, AngularJS

Libraries/APIs

jQuery, Google APIs, WooCommerce API, Stripe, BuddyPress, WordPress API, WordPress REST API, React, YouTube API, Google Ads API, Google API, Amazon API

Tools

Advanced Custom Fields (ACF), Gutenberg Editor, Zapier, Google Analytics, WP eCommerce

Paradigms

Search Engine Optimization (SEO), Responsive Web Design (RWD), Gamification

Platforms

WordPress, WooCommerce, Zendesk, WordPress Theme Design, Linux, Shopify, Amazon Web Services (AWS), Salesforce

Storage

MySQL, Databases, Memcached, Redis

Other

WordPress eCommerce, WordPress Plugins, WordPress Themes, Plugins, Integration, eCommerce, WordPress Design, Web Development, Full-stack, APIs, Payment APIs, Front-end, Elementor, Chatbots, Membership Sites, Recurring Payments, MemberPress, HubSpot, Cloudflare, Accessibility, PSD to WordPress, HTML to WordPress, Animation, SEO Tools, API Design, API Connectors, Google Ads, Eventbrite, Google Calendar, CSS3 Animation, Web UX, Web UI, Mobile UI, User Interface (UI), Theme Customization

2016 - 2021

Bachelor's Degree in Computer Science and Programming

Institute of Science and Technology - Dhaka, Bangladesh

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