Ravi Khadiwala
Software Engineer at Signal Messenger
Greater Chicago Area United States
Summary
🤩
Rockstar🎓
Top SchoolRavi Khadiwala is a software engineer based in the Greater Chicago Area with a strong background in backend systems and distributed storage, having held roles from Software Developer to Principal Software Engineer before joining Signal Messenger. He brings experience across startups and large enterprises—Cleversafe, IBM, Ocient—and now contributes to the Signal Server, improving API robustness and data validation in a high-profile open-source private-messaging project. Ravi’s work emphasizes reliability and defensive coding (e.g., systematic @NotNull annotations and controller hardening), reflecting a focus on preventing production failures. With a multidisciplinary CS, economics, and mathematics education from UIUC, he combines analytical rigor with practical engineering to deliver scalable, maintainable server-side solutions.
4 years of coding experience
9 years of employment as a software developer
Bachelor's degree, Computer Science, Economics, Mathematics, Bachelor's degree, Computer Science, Economics, Mathematics at University of Illinois Urbana-Champaign
Github Skills (9)
javas10
api-rest10
rest-api10
api-design10
restful-api10
java10
spring-boot10
data-validation9
testing8
Programming languages (4)
Github contributions (5)
signalapp/Signal-Server
Feb 2022 - Dec 2022
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
Role in this project:
Back-end Developer
Back-end DeveloperContributions:41 commits, 63 pushes, 67 tags in 10 months
Contributions summary:Ravi's contributions primarily involve enhancements to the Signal server's back-end functionality. They focused on adding `@NotNull` annotations to controller arguments to improve data validation and prevent potential null pointer exceptions. This work involved code modifications across multiple controller classes and a test class, indicating a focus on API design and robustness. Furthermore, the user addressed issues in the subscription and message controllers, demonstrating expertise in the server's core components.
signalchatandroidiosdesktop
signalapp/Signal-TLS-Proxy
Sep 2022 - Dec 2024
Contributions:2 reviews, 15 PRs, 9 pushes in 2 years 3 months
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