Ian Duffy
Munster, Ireland
Summary
🤩
Rockstar🎓
Top SchoolIan Duffy is a Site Reliability Engineer with 14 years' experience based in Munster, Ireland, focused on building secure, reliable infrastructure at Cloudsmith. He blends backend and DevOps expertise—demonstrated by significant open-source contributions to projects like Apache CloudStack (LDAP provisioning and SSL/UI improvements) and HashiCorp Packer (cloud-init support, post-processors, and VM tooling enhancements). Comfortable across the stack, Ian has also shipped frontend integrations for media control in community projects, showing an eye for UX and cross-system automation. A Dublin City University computer science graduate, he pairs pragmatic engineering with a history of refactoring and improving long-lived tools to make complex systems easier to operate.
14 years of coding experience
B.Sc. Computer Applications Computer Science, B.Sc. Computer Applications Computer Science at Dublin City University
Github Skills (32)
ldap10
javascript10
apidoc10
user-authentication10
authentication10
websocket10
ui-design10
apache-cloudstack10
java10
javas10
uid10
automation10
packer10
go10
api10
Programming languages (19)
Github contributions (5)
apache/cloudstack
Jun 2013 - Nov 2014
Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 commits, 4 PRs, 2 branches in 1 year 5 months
Contributions summary:Ian primarily contributed to the LDAP configuration and user provisioning features within the Apache CloudStack project. Their work involved modifying the `LDAPConfigCmd.java` file to return boolean values and conform to output conventions, as well as integrating and testing the LDAP plugin. Further contributions included adding SSL support, improving the UI for LDAP configuration, and updating the code to handle unescaped values. The user also refactored the code base with general cleanup.
pythonapache-cloudstackxcp-nghostingcloud-computing
hashicorp/packer
Aug 2015 - Sep 2016
Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
Role in this project:DevOps Engineer
DevOps EngineerContributions:12 commits, 13 PRs, 53 comments in 1 year 1 month
Contributions summary:Ian Duffy made significant contributions to enhance the functionality and flexibility of the `packer` tool, a tool designed for creating machine images. His work included adding support for cloud-init via ConfigDrive and implementing a shell-local post-processor, which enables users to submit environment variables to external shell scripts for post-processing tasks. Additionally, he introduced VRDP support for VirtualBox and QEMU builders, and allowed for naming of vm imported AMIs. Furthermore, he refactored the shell provisioner, improving the overall flexibility of the tool for users.
vagrantplatformslinuxpackerdocker
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.