Jack Canty
Senior Director Of Engineering at LaunchDarkly
Oakland, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJack Canty is a seasoned engineering leader with 18 years of experience building reliable platform and product infrastructure, now serving as Senior Director of Engineering at LaunchDarkly after leading large teams at Datavant, Gusto, and Square. He combines hands-on backend expertise—in Ruby, Python, Erlang and cloud systems—with strategic delivery of high-stakes products, including oversight of a $700M Release of Information business and platform work through Square’s IPO. An active open-source contributor, Jack has improved tooling across well-known projects like Jekyll, moto (AWS testing), and pg_query, showing a knack for both core library work and documentation. He’s a pragmatic builder who grows teams from early product-market fit to scale, and his background in computational linguistics hints at a data-and-systems-driven approach to problem solving.
18 years of coding experience
21 years of employment as a software developer
Computational Linguistics, Computational Linguistics at University of Washington
English, Italian, Chinese, Latin
Stackoverflow
1,406reputation
31kreached
10answers
0questions
atomic
top-5%
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top-5%
Github Skills (46)
ruby-rails10
erlang10
postgresql10
python10
file-manipulation10
static-site-generator10
rails10
luigi10
smtps10
smtp10
ruby10
smtpd10
aws10
parsing10
sql10
Programming languages (19)
Github contributions (5)
getmoto/moto
Oct 2016 - Apr 2020
A library that allows you to easily mock out tests based on AWS infrastructure.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:403 commits, 424 PRs, 293 pushes in 3 years 7 months
Contributions summary:Jack contributed significantly to the `moto` project, a library for mocking AWS infrastructure. Their commits focused on implementing and testing KMS (Key Management Service) functionalities, specifically encryption and decryption endpoints. They added support for KMS functionality in Python 3 and extended CloudFormation support for YAML templates. Further contributions included improvements to S3 functionality, like requiring the content-length header, and fixing DynamoDB deletes.
ec2bototestinginfrastructureaws-infrastructure
gen-smtp/gen_smtp
Jul 2009 - Sep 2009
The extensible Erlang SMTP client and server library.
Role in this project:Back-end Developer
Back-end DeveloperContributions:80 commits in 2 months
Contributions summary:Jack primarily contributed to the `mimemail` module, focusing on implementing MIME encoding and decoding functionalities within the extensible Erlang SMTP client and server library. Their work involved creating the `mimemail_encode.erl` module, refactoring code, and addressing issues such as unused variables and Outlook-specific encoding problems. These changes enhanced the library's ability to handle MIME-formatted email messages, including attachments.
smtperlangelixirsmtp-clientextensible
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