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I'm John Pretsch — a freelance PHP specialist with over 15 years of experience building scalable, secure web platforms. I excel at developing and customizing WordPress and WooCommerce solutions, including e-commerce functionality, payment integrations, database optimization, and performance tuning. Whether creating a new housing marketplace or enhancing an existing one, I deliver clean, maintainable code and user-friendly experiences on schedule. I'm an independent problem-solver who communicates clearly and focuses on long-term platform success. Currently available for remote contract work. Let's build something great together!…I'm John Pretsch — a freelance PHP specialist with over 15 years of experience building scalable, secure web platforms. I excel at developing and customizing WordPress and WooCommerce solutions, including e-commerce functionality, payment integrations, database optimization, and performance tuning. Whether creating a new housing marketplace or enhancing an existing one, I deliver clean, maintainable code and user-friendly experiences on schedule. I'm an independent problem-solver who communicates clearly and focuses on long-term platform success. Currently available for remote contract work. Let's build something great together!

John Pretsch

Web Developer, Back-End Developer, Full Stack Developer, +2

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I'm John Pretsch — a freelance PHP specialist with over 15 years of experience building scalable, secure web platforms. I excel at developing and customizing WordPress and WooCommerce solutions, including e-commerce functionality, payment integrations, database optimization, and performance tuning. Whether creating a new housing marketplace or enhancing an existing one, I deliver clean, maintainable code and user-friendly experiences on schedule. I'm an independent problem-solver who communicates clearly and focuses on long-term platform success. Currently available for remote contract work. Let's build something great together!…I'm John Pretsch — a freelance PHP specialist with over 15 years of experience building scalable, secure web platforms. I excel at developing and customizing WordPress and WooCommerce solutions, including e-commerce functionality, payment integrations, database optimization, and performance tuning. Whether creating a new housing marketplace or enhancing an existing one, I deliver clean, maintainable code and user-friendly experiences on schedule. I'm an independent problem-solver who communicates clearly and focuses on long-term platform success. Currently available for remote contract work. Let's build something great together!

Available to hire

I’m John Pretsch — a freelance PHP specialist with over 15 years of experience building scalable, secure web platforms. I excel at developing and customizing WordPress and WooCommerce solutions, including e-commerce functionality, payment integrations, database optimization, and performance tuning.
Whether creating a new housing marketplace or enhancing an existing one, I deliver clean, maintainable code and user-friendly experiences on schedule. I’m an independent problem-solver who communicates clearly and focuses on long-term platform success.
Currently available for remote contract work. Let’s build something great together!

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Consultant / Senior Software Engineer at Self-Employed

January 1, 2016 - Present

Designed and built scalable PHP-based web applications and backend systems from architecture through deployment. Optimized MySQL schemas, complex queries, and database performance for large-scale, high-traffic platforms. Implemented security best practices, performance optimizations, and CI/CD pipelines for reliable production environments. Customized and extended core functionalities in content management and e-commerce-like systems. Collaborated closely with stakeholders to refine features, troubleshoot issues, and ensure excellent user experience. Delivered comprehensive documentation and ongoing maintenance support for long-term platform stability. Reduced technical debt while significantly improving system scalability, speed, and reliability.

Full-Stack Developer at HostPapa

January 1, 2019 - December 31, 2021

Built backend services and APIs for a high-traffic SaaS platform using modern PHP frameworks. Optimized database performance and implemented scalable features supporting user management and transactions. Participated in Agile processes, code reviews, and cross-functional collaboration.

Senior Developer at Venue

January 1, 2014 - December 31, 2015

Developed RESTful APIs and backend services for a learning management platform. Built reporting tools and optimized complex SQL queries for better performance.

Software Developer at Ganz

January 1, 2008 - December 31, 2012

Developed backend systems, custom CMS tools, and analytics features. Mentored junior developers and established coding and architecture best practices.