Tommy Han
Senior React Engineer at Salesforce
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolTommy Han is a Senior React Engineer based in New York with 8 years focused on modern front-end engineering and a multi-decade background across Java, Python, and full-stack systems. He currently drives React development at Salesforce and previously built reusable component systems, Next.js apps and real-time React/Redux identity verification flows at Rocket Auto and Intuit respectively. Tommy blends deep legacy systems experience—from financial services and large-scale caches to Java web services—with contemporary front-end engineering, allowing him to architect pragmatic integrations between browser UIs and backend verification or financial APIs. He has a knack for making complex behavior observable and explainable, exemplified by a devtool project that traverses the React Fiber tree and visualizes render performance. Colleagues rely on him for reusable component design, mentoring on A/B experimentation, and simplifying tricky verification workflows into maintainable solutions. His background in electrical/computer engineering plus recurring interest in teaching and explainability informs a methodical, test-driven approach to shipping predictable user-facing systems.
8 years of coding experience
33 years of employment as a software developer
B.S. Electrical Engineering/Computer Engineering, B.S. Electrical Engineering/Computer Engineering at NYU Tandon School of EngineeringFull Stack Javascript Immersive Software Engineering Training, Full Stack Javascript Immersive Software Engineering Training at CodesmithCertificate in Client Server Software Development , Certificate in Client Server Software Development at Fairfield UniversityMath Secondary Education and Youth Services Teaching, Math Secondary Education and Youth Services Teaching at Queens College
Github Skills (20)
tree-component9
react6
edtech6
open-source6
mongoose6
displays6
javascript6
visualize5
expressjs5
mongodb4
sdk3
image-capture3
image3
image-processing3
redux3
Programming languages (5)
Github contributions (5)
simple-sifu/css-models
Mar 2020 - Jun 2020
Contributions:130 pushes, 1 branch in 3 months
simple-sifu/crwn-clothing2
Nov 2022 - Dec 2022
Contributions:34 PRs, 49 pushes, 8 branches in 8 days
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