Jianyu Feng
Senior Software Engineer at Squarespace
New York City Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolJianyu Feng is a Senior Software Engineer with 11 years of experience building scalable web platforms and developer-facing tools across companies like Squarespace, Amazon, and Hearst. He blends front-end expertise (React, Next.js, TypeScript) with backend and infrastructure work (Java, Node, Python, CDK, CI/CD) to ship end-to-end solutions for content, inventory, and people-management systems. Jianyu has driven platform migrations, performance and CWV improvements, and automated pipelines while mentoring teams and owning on-call reliability. Trained in applied mathematics and statistics, he brings a data-driven approach to system design and UX trade-offs, and often contributes pragmatic tooling that improves developer experience. Quietly motivated by craftsmanship and the broader impact of architecture on users’ lives, he pairs technical depth with a creative eye for product detail.
11 years of coding experience
13 years of employment as a software developer
BS Mathematics and Applied Mathematics, BS Mathematics and Applied Mathematics at Beijing University of Posts and TelecommunicationsMS Applied Mathematics and Statistics, MS Applied Mathematics and Statistics at Stony Brook University
English, Chinese
Github Skills (1)
java8
Programming languages (3)
Github contributions (5)
grace0927/JavaPractice
Nov 2014 - Mar 2018
Contributions:671 commits, 101 PRs, 650 pushes in 3 years 4 months
javajava-practice
grace0927/JavaScriptPractice
Jan 2016 - May 2023
Contributions:9 PRs, 34 pushes, 10 branches in 7 years 5 months
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