Tim Klever
Vice President Of Developer Experience - Developer Platform
Phoenix, Arizona, United States
Summary
🤩
Rockstar🎓
Top SchoolTim Klever is a seasoned software leader with 13 years of experience designing developer platforms and shaping how software is built at scale, currently serving as Vice President of Developer Experience at American Express. He blends hands-on engineering—contributions to projects like the Zend Framework and Jaeger UI—with strategic leadership in developer advocacy, DevOps, and platform design. Known as a "Testing Zealot," he brings deep expertise in automation and test-driven development that improves reliability across both front-end and back-end systems. Tim has a track record of modernizing codebases, refactoring for extensibility, and expanding test coverage to make complex systems more maintainable. Based in Phoenix, he balances enterprise-scale platform work with continuing hands-on open-source contributions that influence observability and framework tooling. Colleagues describe him as a pragmatic evangelist who turns developer experience principles into measurable engineering outcomes.
12 years of coding experience
13 years of employment as a software developer
Hard Knocks
English, php
Stackoverflow
601reputation
18kreached
36answers
1question
Github Skills (34)
unit-testing10
javascript10
jes10
testing10
typescript10
zend-framework10
ui-design10
forms10
use-form10
uid10
php10
front-end-development10
jestjs10
typescript-types10
jtest10
Programming languages (11)
Github contributions (5)
jaegertracing/jaeger-ui
Aug 2020 - Oct 2020
Web UI for Jaeger
Role in this project:
Front-end Developer
Front-end DeveloperContributions:13 commits, 12 PRs, 11 comments in 1 month
Contributions summary:Tim's contributions primarily focus on enhancing the Jaeger UI, specifically addressing React component lifecycle methods for compatibility, and refactoring existing code to align with current best practices. They have also added unit tests and expanded test coverage for existing UI components. Their work includes significant changes in multiple UI components like TracePage, App, and TimelineViewingLayer.
golangreactweb-uiapmsite-reliability-engineering
zendframework/zendframework
Jun 2013 - Mar 2015
Official Zend Framework repository
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 3 PRs, 4 comments in 1 year 9 months
Contributions summary:Tim primarily focused on enhancing the Zend Framework's Form component. Their contributions included refactoring the Factory class to allow for custom injection of factories within fieldsets and adding unit tests to validate the new functionalities. They also addressed code quality by removing trailing whitespace and fixing a variable naming issue. Furthermore, the user updated the HTTP client to allow for custom authentication types in extending classes.
zendzend-frameworkphpframeworkmodular
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