John Costanzo is a Senior Software Engineer with 14 years of experience specializing in front-end development, accessibility-focused UI design, and responsive web solutions. Based in Greater Philadelphia, he has driven UI engineering at MINDBODY since 2016 and previously led Selenium automation teams and front-end projects at eBay Enterprise. John blends hands-on implementation with process improvements, from QA automation and Linux server administration to modern toolchains like Bootstrap, Sass, Gulp, and Git. He stays current with emerging technologies and applies that market awareness to build maintainable, inclusive interfaces that meet real business needs.
15 years of coding experience
6 years of employment as a software developer
Web Development, Web Development at HACC, Central Pennsylvania's Community College
Contributions:2 PRs, 132 pushes, 4 branches in 2 years 6 months
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