Aryeh Stiefel
Staff Software Engineer at Bolt
New York City Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolAryeh Stiefel is a Staff Software Engineer based in the New York City area with 11 years of experience building high-performance, payment and fintech-focused systems. He has led end-to-end monetization features at scale—driving billions in annual transactions—and championed global payment integrations and checkout optimizations that materially improved conversion. Aryeh combines strong backend architecture (event-driven microservices, Kafka, FIX integrations) with modern frontend practice (React, TypeScript, Vite) and pragmatic DevOps (Kubernetes deployments, build/test speedups). He’s adept at turning compliance constraints into product-friendly solutions, for example designing hosted fields to preserve PCI compliance while enabling merchant customization. A former quantative engineering lead in investment banking, he pairs financial domain expertise with hands-on product delivery across mobile, web, and serverless platforms. Outside core product work he’s improved developer experience at scale—creating team-wide linting rules and build migrations that eliminated thousands of quality issues and cut CI times significantly.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Arts Computer Science, Bachelor of Arts Computer Science at Yeshiva UniversityMaster of Science in Engineering in Computer and Information Science, Master of Science in Engineering in Computer and Information Science at University of Pennsylvania
English, Hebrew
Github Skills (168)
styled-components10
google-maps10
account-kit10
cross-platform10
textinput10
android10
mobile10
react-navigation10
ios10
react-native10
css10
facebook-account-kit10
react10
javascript9
jquery9
Programming languages (6)
Github contributions (5)
IDTLabs/react-native-material-initials
Jun 2016 - Oct 2017
React Native library to generate Google Inbox style material list icons
Contributions:4 commits, 2 PRs, 16 pushes in 1 year 4 months
inboxgoogle-inboxreactreact-native-libraryreact-native
aafi/MT-Final-Project
Mar 2015 - Apr 2015
Contributions:24 commits, 7 pushes in 16 days
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