John Fiorilla
Senior Software Engineer at Playground
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJohn Fiorilla is a Senior Software Engineer with a decade of experience building scalable full-stack web applications using React, Next.js, TypeScript, and Node.js. He excels at designing intuitive, responsive UIs and architecting robust back-end services with REST and GraphQL, frequently improving performance and delivery through comprehensive testing strategies. At startups and scale-ups he has led end-to-end projects—from a custom word processor and image editor to map visualizations—demonstrating an ability to own complex product surfaces and ship quickly. He helped migrate legacy stacks to modern SPAs, co-founded a Design Guild to standardize components, and built an e2e Playwright framework to improve stability and iteration speed. Comfortable across front-end, mobile (React Native), and backend concerns, he blends product sensibility with engineering rigor. Based in New York, he pairs a math background with hands-on system design and a track record of shipping polished, production-ready experiences.
10 years of coding experience
7 years of employment as a software developer
Fullstack AcademyAssociate’s Degree Music, Associate’s Degree Music at Raritan Valley Community CollegeBachelor's Degree Mathematics, Bachelor's Degree Mathematics at Rutgers University
Stackoverflow
3reputation
90reached
0answers
1question
Github Skills (74)
zero-configuration10
declarative10
javascript10
developer-tools10
typescript10
build-tools10
user-interface10
frontend10
create-react-app10
react10
jquery9
single-page9
animate8
knockoutjs8
survey8
Programming languages (4)
Github contributions (5)
piecewisecss/piecewisecss
May 2017 - Jun 2021
A scss @mixin for easy implementation of linear piecewise css value functions.
Contributions:14 commits, 2 PRs, 51 pushes in 4 years 2 months
piecewise-linearneumorphismsasscssfont-size
jpfiorilla/startgg-seedfinder
Mar 2023 - Nov 2024
Contributions:16 pushes, 1 branch in 1 year 9 months
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