Senior PHP Developer (WordPress)

Senior PHP Developer (WordPress) - ITC | Career Page

Senior PHP Developer (WordPress)

Ho Chi Minh, Ho Chi Minh City, Vietnam

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Job Openings Senior PHP Developer (WordPress)

About the job Senior PHP Developer (WordPress)

What you will get out of this position

You will work on complex, real-world WordPress backend systems for international clients, with ownership over architecture, performance, and integrations. This role gives you exposure to challenging technical problems, modern development workflows, and high standards of code quality.

Youll continuously sharpen your expertise through meaningful projects, clear processes, and hands-on collaboration with experienced professionals. Career growth and progression are driven by performance, impact, and technical contribution.

Responsibilities

• Design and develop custom WordPress themes and plugins following WordPress coding standards.
• Work confidently with WordPress theme hierarchy and extensibility using actions and filters.
• Build upgrade-safe, maintainable backend solutions for long-term projects.
• Optimize WordPress applications for performance and scalability (database queries, caching, asset optimization).
• Identify and resolve performance issues in high-traffic environments.
• Develop and consume WordPress REST APIs and custom endpoints.
• Integrate WordPress with third-party systems (e.g. WooCommerce, CRM, ERP, external services).
• Use Git, Composer, and Docker in daily development workflows.
• Contribute to CI/CD pipelines, automated deployment, or testing setups.
• Collaborate closely with PMs, designers, and developers; take ownership of code quality and delivery timelines.

Requirements

Must-Have

• From 4+ years of experience in PHP and WordPress backend development, with hands-on work on custom themes and plugins.
• Solid understanding of WordPress core architecture, including theme hierarchy, hooks (actions & filters), and best practices.
• Proven experience with performance optimization, including database queries, caching, and page speed improvements.
• Experience building and integrating REST APIs and custom endpoints.
• Hands-on experience integrating WordPress with third-party systems (e.g. WooCommerce, CRM, ERP, external APIs).
• Comfortable using Git for version control and collaborative development.
• Experience with Composer and modern PHP dependency management.
• Familiarity with Docker or containerized development environments.
• Understanding of CI/CD workflows (GitHub Actions, GitLab CI, or similar).
• Ability to clearly explain technical concepts and solutions to non-technical stakeholders.
• Strong problem-solving mindset with a sense of ownership and accountability.
• Team-oriented attitude with the ability to work effectively across functions.

Nice to Have

• Any additional programming language is a plus
• Involvement in the WordPress community is a big plus
• Knowledge of JavaScript
• Experience in working with WeChat API

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