Neil Marcellini
Full Stack Software Engineer at Expensify
California, United States
Summary
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Rockstar🎓
Top SchoolNeil Marcellini is a Full Stack Software Engineer based in California with nine years of experience building web and mobile apps across JavaScript/TypeScript frameworks and Swift/SwiftUI for iOS. He currently ships features at Expensify and has hands-on experience building performance-focused analytics and UI for sailing apps at Racing Alpha, where he developed GPS-track algorithms and responsive interfaces. Comfortable across the stack, Neil has implemented backend services in Python/Django and Node/Express, modernized front-ends with Angular and Vue, and introduced localization and design improvements in production apps. His CS degree and tutoring background give him a strong grounding in fundamentals and an aptitude for explaining complex concepts to teammates. Outside work he pursues kitefoiling and sailing—activities that inform his product focus on clean, usable experiences for outdoor and sports applications. Colleagues know him as a pragmatic problem-solver who pairs technical breadth with a user-centered mindset.
9 years of coding experience
3 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at California State University Channel Islands
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (28)
financial10
finance10
chat10
collaboration10
react-native9
failover9
state-management9
replication8
react-native-web7
wan6
react6
react-dom6
distributed-database5
react-components5
css-in-js4
Programming languages (9)
Github contributions (5)
neil-marcellini/pricebookUpdate
Jan 2020 - Apr 2025
Contributions:5 pushes, 1 branch in 5 years 3 months
Dameech92/AMEL
Feb 2020 - Apr 2021
Contributions:275 commits, 56 PRs, 172 pushes in 1 year 1 month
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