Robert Xu is a Principal Software Engineer at Amazon Security with 15 years of experience building secure, production-grade systems across authorization, billing, commerce, and consumer-facing platforms. He is a polyglot engineer who primarily codes in Go, Java, C, and TypeScript and has deep operational familiarity with Docker, DNS, email, and distributed systems. His career spans Shopbop fashion tech to AWS Commerce and now security, reflecting a rare blend of customer-facing product experience and core infrastructure expertise. An active open-source contributor, he has contributed to the widely used hashicorp/raft Go implementation, improving peer management and state transitions in a consensus library. Robert holds a BS in Computer Science from Stony Brook University and often brings pragmatic, test-driven solutions informed by both enterprise scale and low-level systems work.
14 years of coding experience
12 years of employment as a software developer
Rochester Institute of Technology
High School Diploma, High School Diploma at Thomas Sprigg Wootton High School
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Stony Brook University
Science Technology, Science Technology at Academy of Information Technology
Golang implementation of the Raft consensus protocol
Role in this project:
Back-end Developer
Contributions:6 commits in 1 day
Contributions summary:Robert Xu contributed to the core functionality of the Raft consensus protocol implementation in Go. His work focused on adding the `SetPeers()` method for dynamically updating the peer set and addressing threading issues related to peer management. He also added tests for the `SetPeers` method. Furthermore, he made adjustments to state transitions within the Raft state machine, specifically regarding candidate state.
Contributions:12 releases, 45 commits, 32 PRs in 7 years 9 months
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Robert Xu - Principal Software Engineer, Amazon Security