Frederick Widjaja
Founding Engineer at Applied Labs
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolFrederick Widjaja is a founding engineer and entrepreneur with 13 years of software engineering experience building products that scale and drive social impact. He co-founded Whiz (YC W22), leading its tech stack to 250k+ users, securing Bank Indonesia licensing, integrating nationwide payments, and exiting via acquisition to Ajaib. A former Facebook senior engineer, he shipped zero-to-one initiatives like Messenger Rooms and the global Blood Donations product, and earlier built core Android tooling at Google and Square. Harvard-trained in Computer Science and Statistics, he blends strong product instincts with hands-on systems design and a track record of turning regulatory and integration hurdles into market-ready fintech infrastructure.
13 years of coding experience
6 years of employment as a software developer
High School Diploma, High School Diploma at Jakarta Intercultural SchoolBachelor of Arts - BA Computer Science and Statistics, Bachelor of Arts - BA Computer Science and Statistics at Harvard University
English, Chinese, Indonesian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (128)
tabview10
collapsible10
javascript10
react-native-web10
data-storage10
entity10
react-native-jsi10
crashlytics10
ssl-pinning10
android10
pki10
network10
ios10
read-write10
ssl10
Programming languages (8)
Github contributions (5)
frw/react-native-ssl-public-key-pinning
Mar 2023 - Mar 2025
Simple and secure SSL public key pinning for React Native. No native configuration needed, set up in <5 minutes.
Contributions:19 releases, 57 reviews, 363 PRs in 2 years
androidiosnetworkpkireact-native
hcs/puppet-config
May 2015 - Nov 2017
Contributions:1 PR, 1175 pushes, 1 comment in 2 years 6 months
configuration-fileshcspuppet
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