Zack Slayton
Senior Software Development Engineer at Amazon
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolZack Slayton is a Senior Software Development Engineer based in New York with 14 years of hands-on professional experience and over two decades of engagement in software engineering. At Amazon since 2016 he focuses on building robust back-end systems and has a track record of improving performance, stability, and correctness in production-grade Java libraries, including notable contributions to the amazon-ion/ion-java streaming parser/serializer. His background spans startups and large enterprises—Xtify (acquired by IBM), IBM as a lead architect for mobile customer engagement, and long-term engineering roles at General Dynamics—giving him depth across mobile CRM, distributed systems, and data processing. Zack holds a BS from William & Mary and an MS from George Mason, and quietly combines deep protocol-level debugging skills with pragmatic engineering to reduce edge-case failures in complex data flows.
14 years of coding experience
11 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at The College of William and MaryMaster of Science (MS), Computer Science, Master of Science (MS), Computer Science at George Mason University
Stackoverflow
52,157reputation
1.5mreached
14answers
41questions
Github Skills (10)
javas10
performance-optimization10
java10
data-structure9
data-structures9
algorithms7
lua6
annotations6
swig6
webservice6
Programming languages (15)
Github contributions (5)
amazon-ion/ion-java
Oct 2018 - Mar 2022
Java streaming parser/serializer for Ion.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:104 reviews, 19 commits, 34 PRs in 3 years 4 months
Contributions summary:Zack primarily focused on improving the performance, stability, and correctness of the Java-based Ion streaming parser/serializer. Their contributions include fixing buffer truncation issues, addressing exceptions related to empty ordered structs and timestamp parsing, and optimizing string encoding operations. They also made improvements to the underlying data structures and internal processes within the project, as demonstrated by the changes related to annotations and container handling.
streaming-parserstreamingionserializerparser
zslayton/cron
Jun 2015 - Nov 2020
A cron expression parser in Rust
Contributions:10 releases, 49 reviews, 63 commits in 5 years 6 months
rustcron-expression-parserexpression-parsercronschedule
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