Senior WordPress Developer — Custom Themes & Plugins

Experis Technology Group; Montclair (NJ); On-site; USD 55,000 - 62,000; Full time

Benefits offered by this job

Medical plan

Dental plan

Vision plan

Health Savings Account

Health Flexible Spending Account

Dependent Care Flexible Spending Plan

Supplemental Life Insurance

Disability Insurance

Business Travel Insurance

401(k) with match

Weekly Pay

Job summary

Experis Technology Group's client in Montclair, NJ is seeking a WordPress Developer to join the development function that supports delivery teams building and improving WordPress websites and custom functionality. The ideal candidate translates approved designs into production-ready WordPress experiences, focusing on secure, maintainable code and robust WordPress APIs.

You will develop custom themes and plugins, create CPTs and metadata, troubleshoot production issues, and contribute to

Qualifications

• 5+ years of professional WordPress development experience with hands-on custom development.
• Advanced PHP skills including object-oriented programming and modern PHP practices; experience writing custom WP plugins.
• Ability to build WordPress functionality without ACF or third-party builders.
• Deep knowledge of WordPress core architecture, template hierarchy, hooks, filters, CPTs, metadata, and REST APIs.
• Strong front-end skills (JavaScript, HTML5, CSS3, SCSS) and experience with Node.js/npm tooling and Bootstrap.

Responsibilities

• Develop, maintain, and enhance fully custom WordPress themes and plugins using native WordPress functionality.
• Build WordPress websites from the ground up without relying on third-party page builders or field-management plugins such as ACF.
• Create custom post types, taxonomies, metadata, administrative interfaces, and content-management functionality using WordPress APIs.
• Review unfamiliar or legacy codebases, troubleshoot complex production issues, and implement sustainable root-cause fixes.
• Perform application security assessments and remediate vulnerabilities while following secure coding practices and WordPress Coding Standards.

Skills

PHP (OOP, modern PHP)

JavaScript

HTML5

CSS3/SCSS

REST APIs

WP core architecture

Tools

WordPress

Node.js/npm tooling

Bootstrap

Job description

Experis Technology Group's client in Montclair, NJ is seeking a WordPress Developer to join the development function that supports delivery teams building and improving WordPress websites and custom functionality. The ideal candidate translates approved designs into production-ready WordPress experiences, focusing on secure, maintainable code and robust WordPress APIs.

You will develop custom themes and plugins, create CPTs and metadata, troubleshoot production issues, and contribute to