Jem Day
Executive Director - Architect at JPMorgan Chase & Co.
San Jose, California, United States
Summary
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RockstarJem Day is an Executive Director and Architect based in San Jose with a decade of experience designing and delivering enterprise-grade financial systems. Currently leading architecture at JPMorgan Chase, Jem combines hands-on backend engineering with strategic oversight to drive scalable, secure platforms. Former roles at PayPal and BGI inform a payments- and data-focused perspective, while open-source contributions to the CloudEvents Java SDK demonstrate a deep attention to interoperability and spec-compliant serialization. Notably, Jem’s work added binary attribute support and robust numeric handling to the SDK—an indicator of pragmatic problem-solving in distributed event systems.
9 years of coding experience
English
Github Skills (10)
cloudevents10
javas10
data-serialization10
sdk10
java10
serialization10
unit-testing9
xml8
protobuf7
protobuffer7
Programming languages (8)
Github contributions (5)
cloudevents/sdk-java
Mar 2021 - Jan 2023
Java SDK for CloudEvents
Role in this project:
Back-end Developer
Back-end DeveloperContributions:56 reviews, 5 commits, 10 PRs in 1 year 10 months
Contributions summary:Jem primarily contributed to the Java SDK for CloudEvents, focusing on core functionality and data handling. They introduced support for binary attribute types, added unit tests, and addressed review comments. Their work included modifications to core classes, builder interfaces, and serialization/deserialization logic, as well as handling numeric context attributes. This indicates a focus on enhancing the SDK's capabilities and ensuring specification compliance.
cloudeventssdkalibabaalibabacloudjava-api
JemDay/sdk-java
Mar 2021 - Dec 2024
Java SDK for CloudEvents
Contributions:53 pushes, 18 branches in 3 years 10 months
cloudeventssdkalibabaalibabacloudjava
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