Seth Zegelstein
Senior Software Engineer at Amazon Web Services (AWS)
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolSeth Zegelstein is a Senior Software Engineer based in Seattle with four years of professional engineering experience and a background in aerospace engineering from the University of Colorado Boulder. He has progressed through roles at Lockheed Martin into Software Engineer positions at AWS, where he now focuses on backend systems and performance-critical code. An active contributor to the prominent libfabric project, Seth has hands-on expertise in RDMA, atomic operations, build/test automation, and optimizing high-performance networking providers like EFA. Comfortable working at the intersection of systems programming and test infrastructure, he brings a practical, detail-oriented approach to ensuring correctness and throughput in distributed systems. Notably, his transition from aerospace engineering to low-level networking demonstrates a strong aptitude for mastering complex, performance-sensitive domains.
4 years of coding experience
7 years of employment as a software developer
High School, High School at Lowell Whiteman SchoolBachelor's Degree Aerospace Aeronautical and Astronautical Engineering, Bachelor's Degree Aerospace Aeronautical and Astronautical Engineering at University of Colorado Boulder
English, Spanish
Github Skills (6)
c-programming10
rdma10
testing10
performance-optimization9
network-protocol9
protocols9
Programming languages (5)
Github contributions (5)
ofiwg/libfabric
Jan 2022 - Jan 2023
Open Fabric Interfaces
Role in this project:
Back-end & Test Automation Engineer
Back-end & Test Automation EngineerContributions:717 reviews, 21 commits, 276 PRs in 11 months
Contributions summary:Seth primarily contributed to the EFA provider within the libfabric repository, focusing on implementing and testing features related to high-performance networking. Their work included adding unit tests using CMocka, configuring build systems for unit testing, and fixing compilation issues. Key contributions involve the implementation of atomic operations and protocol selection logic. The user also demonstrated proficiency in RDMA (Remote Direct Memory Access) and performance optimization through modifications to various EFA-related source files.
interfacesminecraftfabric
a-szegel/libfabric
Feb 2022 - Jan 2025
Open Fabric Interfaces
Contributions:15 reviews, 53 PRs, 610 pushes in 3 years
interfacesminecraftfabric
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