Josh Kalderimis
Wellington, Wellington, New Zealand
Summary
🤩
Rockstar🎓
Top SchoolJosh Kalderimis is a product-focused software leader with 16 years of experience blending hands-on engineering and strategic product management to help companies uncover what customers truly value. He has led product teams as VP of Product/CPO at Travis CI and Replicated and founded his own startup, applying both growth-focused strategy and operational engineering judgment. Technically fluent across Ruby, Elixir, and cloud tooling, his open-source contributions include meaningful backend work on high-profile projects like Travis CI and Elixir’s standard library. Josh pairs product instincts with low-level code changes and DevOps work—shimming database sharding, CI build tooling, and middleware—to keep product direction grounded in implementation realities. Based in Wellington, he also advises startups and boards, translating customer insight into pragmatic roadmaps and measurable engagement gains. Colleagues note his uncommon mix of product empathy and willingness to roll up his sleeves in the codebase.
16 years of coding experience
10 years of employment as a software developer
BA Infomation Systems, BA Infomation Systems at Victoria University of Wellington
Stackoverflow
584reputation
126kreached
10answers
0questions
Github Skills (67)
faraday10
testing10
rspec10
ruby10
ember10
activerecord10
ruby-on-rails10
delayed-job10
javascript10
middleware10
object-oriented-programming10
api10
html10
hash10
json10
Programming languages (21)
Github contributions (5)
travis-ci/travis-ci
Feb 2011 - Nov 2013
Free continuous integration platform for GitHub projects.
Role in this project:
Backend Developer
Backend DeveloperContributions:883 commits, 525 comments, 121 issues in 2 years 9 months
Contributions summary:Josh contributed to the core functionality of the travis-ci project, focusing on backend development. They modified Ruby code related to GitHub webhooks, build processes, and notification systems. They also made changes to the database schema by adding indexes to optimize database query performance. Additionally, the user made several updates to dependencies by changing the secret token or upgrading the codebase.
continuous-deploymentcontinuous-testingcontinuousintegration-platformcontinuous-integration
travis-ci/travis-web
Feb 2013 - Jun 2019
The Ember web client for Travis CI
Role in this project:Front-end Developer
Front-end DeveloperContributions:57 commits, 7 PRs, 42 pushes in 6 years 5 months
Contributions summary:Josh primarily focused on modifying the user interface and user experience of the Travis CI web client. They implemented changes to templates, removing elements such as the (i) indicator and the stats page link, and adjusting font sizes. They also updated code related to the display of build and job information and refactored repository list elements. These changes indicate a focus on improving the user interface and the way information is presented.
ember-addonjavascriptweb-clientemberjstravis
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