WordPress Platform Engineer - PHP/React (Hybrid)

Janus Henderson Investors; Denver (CO); Hybrid; USD 100,000 - 115,000; Full time

Benefits offered by this job

Hybrid work

Volunteer time off

Professional development

Tuition/qualification reimbursement

Headspace subscription

ClassPass membership

Employee events

Job summary

Janus Henderson Investors is seeking a skilled PHP/WordPress developer to build and maintain features on an enterprise WordPress multisite platform serving global financial services content. You will develop custom PHP plugins and Gutenberg/Block Editor blocks (React) for fund and product data, and implement responsive SCSS/CSS across multiple themes for site variants.

You will integrate with third‑party APIs, work across local, dev, test and production environments on WordPress VIP, and

Qualifications

• Proficient in PHP and WordPress plugin/theme development.
• Experience with WordPress multisite setup and management.
• Strong JavaScript (ES6+) skills with React for Gutenberg blocks.
• SCSS/CSS and responsive front-end implementation.
• Experience across local, dev, test, and production environments.
• Git, branching strategies, and code review experience.
• Familiarity with Composer and npm-based tooling.
• Experience in Agile/Scrum teams using Jira.
• Comfortable using AI coding assistants as part of daily workflow.

Responsibilities

• Build and maintain features on an enterprise WordPress multisite platform.
• Develop custom PHP plugins and Gutenberg/Block Editor blocks (React).
• Implement frontend designs with SCSS and JavaScript across themes.
• Integrate with third‑party APIs and services (DAM, marketing, SSO).
• Debug and resolve issues across local Docker, dev, test, and production.
• Collaborate with designers, editors, and engineers to scope and deliver features.
• Carry out other duties as assigned.

Skills

PHP

WordPress multisite

WordPress plugin/theme

JavaScript/React

SCSS/CSS

Git & code review

Composer/npm tooling

Agile/Scrum (Jira)

AI coding tools (Copilot)

Tools

Docker

Job description

Janus Henderson Investors is seeking a skilled PHP/WordPress developer to build and maintain features on an enterprise WordPress multisite platform serving global financial services content. You will develop custom PHP plugins and Gutenberg/Block Editor blocks (React) for fund and product data, and implement responsive SCSS/CSS across multiple themes for site variants.

You will integrate with third‑party APIs, work across local, dev, test and production environments on WordPress VIP, and