Matt Reiferson
Engineering, ICloud Platform
San Francisco Bay Area United States
Summary
🤩
Rockstar
Top expert inGo Development and Distributed Systems Engineering
Matt Reiferson is an engineering leader based in the San Francisco Bay Area with roughly two decades of experience building and operating large-scale, highly available distributed systems across infrastructure, consumer web, media, and finance. Currently leading iCloud Platform efforts at Apple, he specializes in Go, Python, and C and brings deep expertise in resilience engineering, post-incident learning, and tooling that empowers product teams. He has scaled organizations from startups to global teams of 80+, led BuzzFeed’s infrastructure and data engineering (including the PaaS "rig" and open sourcing BeyondCorp‑inspired SSO), and previously drove core realtime systems at bitly such as NSQ. A pragmatic manager known for clear communication, empathy, and culture-building, he’s also an active open-source contributor with notable work on NSQ, statsdaemon, and related tooling that reflect his focus on reliability and performance.
16 years of coding experience
22 years of employment as a software developer
Github Skills (37)
json10
udp10
client-library10
concurrent10
messaging-system10
package-management10
apidoc10
python10
protocol-buffers10
testing10
distributed-systems10
networking10
message-queue10
homebrew10
go10
Programming languages (14)
Github contributions (5)
nsqio/go-nsq
May 2012 - Nov 2021
The official Go package for NSQ
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 10 reviews, 392 commits in 9 years 7 months
Contributions summary:Matt made several commits focused on the NSQ message queue's core functionality. Their work included taking command line paths for the disk queue, implementing GET and SET operations for a basic lookup protocol, adding server-side client code, using magic constants for protocols, changing the protocol input to handle binary data, and using ReadFull. They also refactored clients, added a lookup peer, and made code refactoring and cleanup changes.
go-packagesnsqgoclient-library
nsqio/nsq
May 2012 - Dec 2022
A realtime distributed messaging platform
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 releases, 49 reviews, 1410 commits in 10 years 9 months
Contributions summary:Matt's commits primarily focused on implementing and improving the diskqueue functionality within the NSQ messaging platform. They addressed synchronization issues and implemented features such as the separation of read and write metadata, the addition of a close flag, and proper accounting for depth. They also introduced optimizations related to disk write and read performance.
realtimedistributed-messagingmessaging-platformmessage-queuewebsocket
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