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Senior PHP Developer - WordPress Optimization & Backend Architecture (remote)

CloudLinux is a global remote-first company. We are driven by our principles: do the right thing, employees first, we are remote first, and we deliver high volume, low-cost Linux infrastructure and security products that help companies to increase the efficiency of their operations. Every person on our team supports each other and does what we can to ensure we all are successful.

CloudLinux OS, our flagship product, runs on more than 50,000 production servers today, powering over 40 million websites, and is recognized as the best OS for security and efficiency in a shared hosting environment. CloudLinux OS increases server density and enhances security, thus reducing operating costs, decreasing churn rates, and increasing profitability.

As a Senior PHP Developer you will be part of the CL PRO Team focuses on the diagnostic and optimization of WordPress sites (PHP X-Ray, AccelerateWP), advanced automation, deep-look performance analytics, and centralized monitoring tools. You will be working oncreating software to optimize websites working on WordPress, analyzing/debugging different plugins, and developing our own ones.

Check out our website for more information about our CLOS Product - https://www.cloudlinux.com/

Join us to make a difference!

Key Responsibilities:

• Lead the development, optimization, and maintenance of high-traffic WordPress projects.

• Design and implement scalable backend architectures using PHP and modern tools.

• Oversee complex database structures and optimize performance (MySQL/MariaDB, Redis/Memcached).

• Implement and enforce comprehensive testing strategies, including unit, integration, and end-to-end testing.

• Act as a technical mentor for less experienced developers, fostering best practices in code quality and testing.

• Collaborate with DevOps to streamline CI/CD pipelines and improve deployment efficiency.

• Ensure code reliability through robust test automation practices.

Required Skills and Experience:

  • 5+ years of experience with PHP in a production environment.
  • Proven expertise in WordPress plugin development and core system maintenance.
  • In-depth understanding of frontend optimization techniques (e.g., HTTP/2, CDN, critical CSS).
  • Advanced backend performance tuning (e.g., SQL query optimization, caching, opcache, server-side architecture).
  • Strong experience with MySQL/MariaDB database design, optimization, and debugging.
  • Proficiency in modern server technologies: Apache, Nginx, LightSpeed (preferred).
  • Solid experience with automation tools (Docker, Ansible, Jenkins, etc.).
  • Expertise in testing frameworks PHPUnit and test automation workflows.
  • Familiarity with CI/CD systems and their integration with automated tests.
  • Deep understanding of Linux environments and scripting.
  • Strong knowledge of Git and modern branching strategies.

It would be great if you also have:

  • Experience in managing large-scale CMS projects (Joomla, Drupal).
  • Familiarity with cloud-based architectures and scaling (AWS, GCP).
  • Knowledge of advanced caching layers (e.g., Varnish, Elasticache).
  • Experience with behavior-driven development (BDD) or test-driven development (TDD) methodologies.
  • Proficiency in implementing performance testing and load testing tools (e.g., JMeter, Locust).

Personal skills:

  • Decency, responsibility, and high level of discipline 
  • Fast-learning, proactivity
  • Desire to work in a fast-paced growing deadline-driven startup-up environment
  • Strong self-motivation, driven to achieve committed milestones
  • Ability to independently analyze a task and find the right solution
  • Ability to work in a team

What's in it for you?

  • A focus on professional development
  • Interesting and challenging projects
  • Fully remote work with flexible working hours, that allows you to schedule your day and work from any location worldwide
  • Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leaves
  • Compensation for private medical insurance
  • Co-working and gym/sports reimbursement
  • Budget for education
  • The opportunity to receive a reward for the most innovative idea that the company can patent

By applying for this position, you consent to the processing of your personal data as described in our Privacy Policy (https://cloudlinux.com/candidate-privacy-notice), which provides detailed information on how we maintain and handle your data.

What You Should Know About Senior PHP Developer - WordPress Optimization & Backend Architecture (remote), Cloudlinux

Join CloudLinux as a Senior PHP Developer focusing on WordPress Optimization & Backend Architecture! We're a global remote-first company committed to doing the right thing while supporting each other every step of the way. Our flagship product, CloudLinux OS, powers millions of websites and is recognized for its security and efficiency in a shared hosting environment. As part of the CL PRO Team, you’ll dive deep into diagnosing and optimizing WordPress sites while developing cutting-edge tools like PHP X-Ray and AccelerateWP. You'll lead the development of high-traffic WordPress projects, design scalable backend architectures, and use your advanced skills in PHP and MySQL/MariaDB to enhance performance and optimize databases. Your role will not only involve software creation but also mentoring less experienced developers, collaborating with DevOps, and implementing robust testing strategies. With CloudLinux, you’ll enjoy a fully remote work environment, providing you flexibility while working on challenging projects that enhance your professional skills. Plus, we offer great benefits including paid vacation, medical insurance, and even a budget for educational growth. If you have a passion for development and a keen interest in WordPress, come make a real difference with us at CloudLinux!

Frequently Asked Questions (FAQs) for Senior PHP Developer - WordPress Optimization & Backend Architecture (remote) Role at Cloudlinux
What are the key responsibilities of a Senior PHP Developer at CloudLinux?

As a Senior PHP Developer at CloudLinux, your key responsibilities include leading the development and optimization of high-traffic WordPress projects, designing scalable backend architectures, managing complex database structures, and implementing comprehensive testing strategies. You will also act as a technical mentor to junior developers and collaborate with DevOps to enhance deployment efficiency. Your role is pivotal in ensuring the code reliability through robust test automation practices.

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What skills are required for the Senior PHP Developer position at CloudLinux?

To excel as a Senior PHP Developer at CloudLinux, you need 5+ years of experience with PHP, expertise in WordPress plugin development, and an in-depth understanding of frontend optimization techniques. Advanced knowledge in backend performance tuning, MySQL/MariaDB, and modern server technologies is crucial. Familiarity with automation tools and CI/CD systems, along with a solid grounding in Linux environments, is also essential.

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How does CloudLinux support professional development for Senior PHP Developers?

CloudLinux is committed to the professional development of its employees. As a Senior PHP Developer, you'll have opportunities to work on interesting challenges and improve your skills through direct involvement in complex projects. Additionally, the company provides a budget for education and workshops which encourages continuous learning and growth within the tech industry.

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What benefits do Senior PHP Developers receive at CloudLinux?

Senior PHP Developers at CloudLinux enjoy a range of benefits, including fully remote work with flexible hours, 24 days of paid vacation, and unlimited sick leave. Moreover, they receive compensation for private medical insurance, and reimbursements for co-working spaces and sports activities, creating a great work-life balance.

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What is the culture like at CloudLinux for a Senior PHP Developer?

CloudLinux fosters a positive and supportive culture where employees prioritize doing the right thing and supporting one another. As a Senior PHP Developer, you'll work in a fast-paced environment that values decency, responsibility, and proactivity. Collaboration is key, and you’ll be encouraged to share innovative ideas that can help evolve our products and processes.

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Common Interview Questions for Senior PHP Developer - WordPress Optimization & Backend Architecture (remote)
Can you explain your experience with PHP in a production environment?

Certainly! When discussing my experience with PHP, I emphasize my 5+ years working on high-traffic websites where I've developed and maintained robust backends. I also highlight specific projects where I optimized database performances, ensuring scalability and reliability under load.

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What strategies do you use for WordPress optimization?

For WordPress optimization, I employ various strategies such as implementing caching mechanisms, optimizing images, and reducing HTTP requests. I focus on using tools like PHP X-Ray to diagnose performance bottlenecks, ensuring that the website runs efficiently and quickly.

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How do you approach testing in software development?

I believe in implementing comprehensive testing strategies. I typically use PHPUnit for unit tests and ensure that I have integration tests in place. I also focus on automating these tests to catch issues early and maintain code quality throughout the development lifecycle.

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Can you describe your experience with MySQL/MariaDB optimization?

In my previous roles, I've had extensive experience optimizing MySQL/MariaDB databases. This includes streamlining complex queries, setting up appropriate indexing, and using caching strategies efficiently to enhance performance and reduce load times.

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What knowledge do you have regarding CI/CD processes?

I have a solid understanding of CI/CD processes and have used tools like Jenkins to automate deployments. I believe that integrating testing within the CI/CD pipeline is crucial for maintaining quality while speeding up the delivery of features.

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How do you ensure the scalability of your backend architectures?

To ensure scalability, I design backend architectures that accommodate increasing loads, utilizing technologies like Docker for containerization and load balancers to distribute traffic. I also prioritize writing clean, modular code to allow for easier future enhancements.

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What role do you believe mentorship plays in development teams?

Mentorship is vital in development teams. It encourages knowledge sharing and promotes best practices. As a senior developer, I make it a point to support junior developers by providing guidance, code reviews, and fostering an environment where they feel comfortable to ask questions.

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What tools do you find essential for automation in development?

I find tools like Docker for containerization, Ansible for automation of deployment processes, and Jenkins for continuous integration essential. They help streamline the development workflow and ensure consistent environments across different stages.

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How do you stay updated with the latest industry trends and technologies?

I stay updated with industry trends by regularly engaging with tech communities, attending webinars, and following influential tech blogs. I also take courses to enhance my skills and experiment with new technologies in personal projects to keep my knowledge practical and relevant.

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What interests you about working for CloudLinux?

I am particularly drawn to CloudLinux because of its commitment to innovation and efficiency in web hosting security. The remote-first culture and emphasis on employee development resonates with my values, and I am excited about the prospect of contributing to a leading product that enhances security for millions of websites.

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CloudLinux is on a mission to continually increase security, stability and availability of Linux servers and devices. Headquartered in Palo Alto, California, CloudLinux Inc. develops a hardened Linux distribution, Linux kernel live security patchi...

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Full-time, remote
DATE POSTED
December 7, 2024

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