WordPress / WooCommerce Developer (Contract 3-4 months)

We are looking for an experienced Senior PHP / WooCommerce Developer to build a reusable WooCommerce plugin that integrates multiple e-commerce websites with the client's centralized order management system and custom payment gateway.

Key Responsibilities

• Design and develop a reusable WooCommerce plugin for multiple independent websites.
• Integrate WooCommerce with external order management systems through REST APIs.
• Implement reliable API communication, webhook handling, error logging, and retry mechanisms.
• Develop and maintain custom WooCommerce payment gateway integrations.
• Support payment processing, transaction status updates, callbacks, and refunds.
• Use AI coding tools to improve development productivity, code quality, debugging, and testing.
• Leverage AI to support code generation, refactoring, documentation, and automated test development.
• Review and validate AI-generated code to ensure correctness, security, performance, and maintainability.
• Apply AI-assisted development practices while maintaining established coding standards and version control processes.
• Develop automated tests for critical integration and checkout workflows.
• Maintain technical documentation covering architecture, configuration, APIs, and deployment.

Requirements

• 5+ years of professional PHP development experience, with strong object-oriented programming (OOP) skills.
• 3+ years of hands-on WooCommerce plugin development, including building custom plugins from scratch.
• Strong understanding of WordPress and WooCommerce architecture, hooks, actions, filters, and APIs.
• Proven experience integrating WooCommerce with external systems using REST APIs and webhooks.
• Experience developing or customizing WooCommerce payment gateway integrations.
• Strong knowledge of PHP, MySQL/MariaDB, JavaScript, HTML5, and CSS3.
• Hands-on experience customizing WooCommerce checkout, cart, and customer account workflows.
• Experience with JavaScript, AJAX, and modern frontend development practices.
• Understanding of WooCommerce coupons, discounts, pricing rules, and promotional functionality.
• Good knowledge of software architecture, design patterns, and reusable component development.
• Experience handling asynchronous processing, API errors, retries, and data synchronization.
• Practical experience with AI-assisted coding tools such as Claude Code, Cursor, GitHub Copilot, or similar solutions.
• Ability to effectively use AI tools for software design, implementation, debugging, refactoring, and testing.
• Strong understanding of AI-generated code, with the ability to independently review, validate, and improve it rather than relying on AI output without verification.
• Familiarity with Git, debugging, automated testing, and secure coding practices.
• Ability to independently solve complex technical problems and take ownership of deliverables.

Preferred Qualifications

• Experience developing reusable plugins deployed across multiple WooCommerce websites.
• Familiarity with WooCommerce HPOS, Action Scheduler, and Checkout Blocks.
• Experience with React, Gutenberg, or WordPress block development.
• Experience with Composer, PHPUnit, PHPStan, or similar development tools.
• Knowledge of CI/CD pipelines and automated plugin deployment.
• Experience integrating e-commerce platforms with ERP, CRM, or order management systems.
• Understanding of payment security and PCI DSS requirements.
• Experience implementing complex coupon, promotion, shipping, or dynamic pricing rules.
• Experience with agentic AI coding workflows, including planning, implementation, code review, and automated testing.
• Familiarity with integrating AI-assisted development into Git, CI/CD, and automated quality checks.
• Experience working with remote teams using Agile methodologies.

Contract full-time remote job. The approximate Phase 1 project duration is 3-4 months.