Jonathan Harte, Developer in London, United Kingdom
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Jonathan Harte

Verified Expert  in Engineering

WordPress Developer

London, United Kingdom
Toptal Member Since
December 3, 2018

Jonathan is an experienced web developer and since 2015, he's been building primarily WordPress themes and some smaller React-based sites. Jonathan joined Toptal to look for new work challenges and to upskill as much as possible using the latest web technologies and frameworks.



Preferred Environment

FileZilla, GitHub, Atom, PhpStorm, MAMP, MacOS

The most amazing... I've built was for Preto Brazilian Steakhouse. It was visually stunning and needed a lot of WordPress customization for the admin and animations.

Work Experience

Web Developer

2015 - 2018
  • Planned new projects consisting primarily of custom WordPress themes.
  • Built new sites from scratch.
  • Managed, fixed, maintained, and updated client sites once they were live.
  • Supported clients.
Technologies: HTML, CSS, JavaScript, PHP

Campaign Manager

2013 - 2015
  • Built HTML emails.
  • Set up and deployed email marketing campaigns.
  • Managed client mailing lists and data.
  • Supported clients.
Technologies: CSS, HTML

Preto Brazilian Steakhouse
Brazilian Steakhouse restaurant chain primarily based in London.

Tasks Accomplished:
• Developed a Roots/Sage custom WordPress theme.
• Implemented Advanced Custom Fields to build WordPress administration.
• Integrated Mailchimp for newsletter sign-ups.
• Facilitated page loading via Ajax for animated page transitions.
• Implemented custom hover, scroll and page transition animation using GreenSock.

The Language of Flowers
A Valentine’s Day marketing campaign to promote a new range of fragrances. The custom app allowed users to create a virtual bouquet to be forwarded to a chosen recipient and be revealed on a separate area of the site. This culminated in the company capturing thousands of email sign-ups, in what proved to be in their most successful online initiatives.

Build and send a virtual bouquet of flowers to your valentine. This custom app allowed users to select three flowers—each with their own meaning to create a virtual bouquet. This would then be emailed to the recipient and revealed on a separate area of the site. This app was part of the most successful Valentine campaign that our client has ever had—capturing thousands of new marketing sign-ups.

Tasks Accomplished:
• Developed a 100% custom app using React.
• Implemented all animations with GreenSock.
• Integrated the Mailchimp API for data capturing and email delivery.

The Female Lead
The Female Lead is a digital platform and accompanying book that inspires and educates young women across the world by documenting successful females in business. My previous company was commissioned to create a platform that not only showcased the ever-growing collection of interviews but also promoted the Female Lead book, which could be ordered as an educational tool to schools across the UK and USA for free.

I was responsible for building the entire site and also maintaining it for 18 months after it was launched.

The Transmission
A blog for the automotive enthusiast. It's used to showcase cars and events that Mecum Auctions is involved in and to build a community of car enthusiasts around the brand.

Tasks Accomplished:
• Developed a custom Roots/Sage and Bootstrap WordPress theme.
• Implemented Advanced Custom Fields to build WordPress admin and events.
• Loaded more content via Ajax instead of standard pagination.
• Integrated advanced searches and filtering.
• Embedded the latest Facebook and Instagram posts into the homepage.

Mecum Monthly

Mecum Monthly is the online version of Mecum's monthly magazine. It's used to showcase and promote articles from the magazine.

Tasks Accomplished:
• Developed a Roots/Sage and Bootstrap custom WordPress theme.
• Implemented Advanced Custom Fields to build WordPress admin and events.
• Loaded more content via Ajax instead of standard pagination.
2007 - 2010

Bachelor's Degree in Computer Science

Kingston University - London, UK


Headless WordPress with Gatsby

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Learn Redux

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ES6 for Everyone

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React For Beginners

Wes Bos


Responsive Web Design

The Gymnasium


jQuery, React, Google Maps, Mailchimp API, Barba.js, Google Places API, Node.js


IntelliJ IDEA, GitHub, Mailchimp, GreenSock, Advanced Custom Fields (ACF), PhpMyAdmin, MAMP, Git, Gutenberg Editor, PhpStorm, Atom, FileZilla, Adobe Photoshop


CSS, HTML, PHP, JavaScript, CSS3, HTML5, Sass, GraphQL, ECMAScript (ES6), SQL


Bootstrap, Redux


WordPress, MacOS




Search Engine Optimization (SEO)


WordPress Themes, PSD to WordPress, SVG, Gravity Forms, Gatsby, Yoast SEO, Sage 9, Ajax, Styled-components, ESLint

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