As an experienced software programmer with over eight years in the field, I'm proficient in a wide array of programming languages and technologies, specifically including CSS, HTML, PHP, Website Design, and WordPress - precisely what this project requires. This project demands an understanding of web development and a good grasp of data visualization techniques - both areas I am confident in.
In addition to that, I have a strong grasp on responsive design. I understand that for your "X Y axis one-page WordPress site" to be successful, its functionality and appeal must translate seamlessly across all devices.
Moreover, my attention to detail and innovative thinking are essential when developing web and mobile applications. I am confident that these qualities will not only enable me to bring your specific data visualization vision to life but also ensure efficient data storage and filter capabilities as you outlined. In conclusion, my extensive skills are a perfect match for your project needs, both in terms of technology use and quality assurance. By entrusting this task to me, you can expect a visually-striking yet highly-functional one-page WordPress site for your user survey