Jon Haddad
Technical Consultant at Rustyrazorblade Consulting
Redondo Beach, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJon Haddad is a technical consultant and seasoned software engineer with 14 years of hands-on experience tuning and operating distributed databases at massive scale. An Apache Cassandra PMC member and longtime database nerd, he has fixed and optimized hundreds of clusters across telecom, finance, and cloud providers, and built tooling for benchmarking, observability, and regression detection in production pipelines. He’s advised teams at Netflix and Apple on data modeling and performance, and now helps organizations extinguish “dumpster fires” with pragmatic platform engineering at Rustyrazorblade Consulting. Beyond consulting, Jon contributes to open source—adding VPC security group support to the popular moto AWS-mocking library—and has a track record of turning deep internals knowledge into practical operational improvements. Based in Redondo Beach, he blends low-level systems expertise with real-world incident experience to deliver measurable scalability and reliability gains.
14 years of coding experience
12 years of employment as a software developer
BS Computer Science, BS Computer Science at University of VermontSeekonk High
English
Stackoverflow
766reputation
67kreached
26answers
2questions
Github Skills (16)
ec10
amazon-ec210
aws-security-group10
boto10
aws10
python10
network-security-groups10
security10
testing9
jinjava8
ttl6
amazon-dynamodb6
datastax-java-driver6
cqlengine6
cassandra6
Programming languages (16)
Github contributions (5)
getmoto/moto
Oct 2013 - Mar 2014
A library that allows you to easily mock out tests based on AWS infrastructure.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 commits in 4 months
Contributions summary:Jon primarily contributed to the back-end functionality of the `moto` library, focusing on AWS service mocking, specifically for EC2 security groups. Their work involved implementing new tests for VPC security groups and correctly retrieving VPC addresses. The user also reworked internal data structures, such as changing how security groups are stored, and updated code to handle the deletion and authorization of security rules within the VPC context.
awsbotoec2s3
rustyrazorblade/TotalRecallDB
Sep 2016 - Jan 2017
Contributions:239 commits, 106 pushes, 6 branches in 4 months
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