Senior PHP / WordPress Backend & Automation Developer

Freelance Latin America; United States; Remote; USD 90,000 - 150,000; Full time

Benefits offered by this job

Fully remote work

Long-term collaboration

Training and onboarding support

International team exposure

Job summary

Freelance Latin America seeks an experienced Senior PHP / WordPress Backend & Automation Developer to support a U.S.-based membership platform. You will lead backend development, custom plugins, API integrations, and no-code/low-code automation.

Remote work, proactive collaboration with the Head of Development, and AI-assisted coding are key aspects of the role. The ideal candidate has senior PHP/WordPress experience, IPS familiarity, API integration skills, and strong SQL knowledge.

Qualifications

• Senior-level PHP development experience with WordPress backend and custom plugin creation.
• Experience building or customizing applications within Invision Community (IPS).
• Strong MySQL/MariaDB knowledge including queries and optimization.
• Proven track record of creating and maintaining API integrations across multiple platforms.
• Experience with Git and version control best practices.
• Proficiency with no-code/low-code automation tools (Zapier, Make, ActiveCampaign).
• AI/LLM proficiency for prompting, coding, debugging, and validating output.
• Frontend basics: HTML, CSS, JavaScript, jQuery.
• English at least B2 level with strong written/verbal communication.
• ACF and Memberium familiarity; PHPUnit experience.
• SSH/Linux/Apache/Nginx server administration.
• Stripe API integration experience.

Responsibilities

• Develop, maintain, and enhance WordPress backend functionality and custom plugins.
• Work with IPS-based applications for backend logic and integrations.
• Design and maintain API integrations across 30+ tools/services.
• Write and optimize batch scripts for data processing and maintenance.
• Create automated workflows using Zapier, Make, and marketing tools.
• Troubleshoot plugins, vendor changes, and legacy code.
• Maintain platform security, stability, and performance.
• Collaborate with Head of Development to independently manage tasks.
• Coordinate with support teams, vendors, and infrastructure to resolve issues.
• Set priorities, organize work, and provide progress updates remotely.
• Leverage AI-assisted coding while reviewing results for quality.

Skills

PHP development

WordPress backend

Custom plugin development

Invision Community (IPS)

MySQL/MariaDB

API integrations

Git

No-code/low-code automation

Zapier

Make

ActiveCampaign

AI/LLM proficiency

HTML/CSS/JS/jQuery

ACF/Memberium

PHPUnit

SSH/Linux/Apache/Nginx

Stripe API

ClickUp

Tools

Invision Community (IPS)

Git

Zapier

Make

ActiveCampaign

PHPUnit

Job description

We are looking for an experienced Senior PHP / WordPress Backend & Automation Developer to support a growing, U.S.-based membership platform. This role combines backend development, custom plugin development, API integrations, and no-code/low-code automation.

You will work closely with the Head of Development, taking ownership of technical projects, resolving complex issues, and improving platform performance. We are looking for a proactive, independent developer who thrives in a remote environment and knows how to use AI tools effectively while maintaining high code quality.

Duties / Task to perform

• Develop, maintain, and enhance backend functionality for WordPress-based membership platforms using custom PHP and plugin development.
• Build and customize applications within Invision Community (IPS), including backend logic, integrations, and database functionality.
• Design, implement, and maintain API integrations connecting more than 30 third-party tools and services.
• Write and optimize batch scripts for bulk operations, data processing, and system maintenance.
• Create and improve automated workflows using no-code/low-code platforms such as Zapier, Make, and marketing automation tools.
• Troubleshoot and resolve backend bugs caused by plugin updates, vendor changes, and existing technical debt.
• Maintain platform stability, security, and performance through proactive monitoring and optimization.
• Work closely with the Head of Development to independently manage technical tasks and reduce operational workload.
• Coordinate with support teams, external vendors, and infrastructure contacts to troubleshoot issues and implement solutions.
• Manage priorities, organize development activities, and provide consistent progress updates without requiring constant supervision.
• Leverage AI-powered coding assistants to accelerate development while reviewing, validating, and taking full responsibility for the resulting code.

• Senior-level experience in PHP development, with strong expertise in WordPress backend development and custom plugin creation.
• Experience developing or customizing applications within Invision Community (IPS).
• Strong knowledge of MySQL/MariaDB databases, including queries, data management, and optimization.
• Proven experience building and maintaining custom API integrations between multiple platforms.
• Ability to develop batch scripts for bulk processing, automated operations, and data-related tasks.
• Hands-on experience with Git and version control best practices.
• Familiarity with no-code/low-code automation platforms such as Zapier, Make, or ActiveCampaign.
• AI/LLM proficiency is required: Ability to use AI assistants for prompting, coding, debugging, and productivity while independently reviewing and validating the output.
• Working knowledge of HTML, CSS, JavaScript, and jQuery for basic frontend integrations.
• Strong troubleshooting, analytical thinking, and problem-solving skills.
• Ability to work independently, manage priorities, and proactively communicate progress in a remote, chat-based environment.
• Excellent organizational skills, accountability, and attention to detail.
• English proficiency: Minimum B2 level, with effective written and verbal communication skills.
• Experience with Advanced Custom Fields (ACF) and Memberium.
• Familiarity with PHPUnit and automated testing.
• Knowledge of SSH, Linux environments, and Apache/nginx server administration.
• Experience integrating payment solutions through the Stripe API.
• Familiarity with ClickUp or similar project management tools.

• Fully remote work environment.
• Stable, long-term collaboration.
• Clear scope of responsibilities and structured workflows.
• Training and onboarding support.
• Opportunity to work with international teams.
• Exposure to modern tools and professional processes.
• Supportive and collaborative work culture.
• Opportunity for skill development and career growth.

Before You Apply, Please Read:

At Freelance Latin America, we’re excited to connect you with meaningful remote opportunities. However, we want to be clear:

These are professional roles with set schedules defined by the client.

Consistent availability is expected. You will have a set work schedule determined by the client, and you are expected to be present during those hours.

You will be part of the client’s team.

You’ll follow their company guidelines, communication practices, and workflows, ensuring seamless collaboration.

KPIs and goals matter.

Your performance will be measured to ensure alignment with client expectations and project objectives.

Training may be required.

You might need to complete training to fully understand your role, tools, and client processes.

Commitment and responsibility are essential.

We work with clients who rely on your dedication to deliver consistent, high-quality results. This is key to building trust and long-term partnerships.