Chris Tankersley is a seasoned developer relations and tooling leader with 16 years of experience building web infrastructure, integrations, and server/network systems across insurance, security, and communications industries. Currently managing Developer Relations Tooling at Vonage, he blends hands-on PHP and Node.js engineering with developer advocacy—contributing to widely used SDKs like vonage-node-sdk and improving core PHP libraries such as cron-expression. Comfortable from Linux/OpenBSD server administration to API design and vendor integration, he supports large user bases and production environments while driving code quality and automation. A pragmatic polyglot who started in web design and technical support, Chris pairs deep legacy-stack knowledge with modern SDK development and open-source collaboration.
16 years of coding experience
17 years of employment as a software developer
Computer Programming Computer Programming, Computer Programming Computer Programming at Northwest State Community College
Vonage REST API client for PHP. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.
Role in this project:
Back-end Developer
Contributions:25 releases, 59 reviews, 170 commits in 3 years 4 months
Contributions summary:Chris primarily focused on code quality improvements, refactoring code and fixing issues in the Vonage PHP SDK core library. They ran code formatting tools (php-cs-fixer) to clean up PHPCS errors and maintain code style. The user updated multiple files related to message client, application, account, insights, call, and other core functionality, showing a broad understanding of the SDK.
CRON for PHP: Calculate the next or previous run date and determine if a CRON expression is due
Role in this project:
Back-end Developer
Contributions:19 releases, 1 review, 99 commits in 4 years 11 months
Contributions summary:Chris primarily focused on improving the functionality and correctness of the cron expression parsing library. Their contributions included fixing bugs in the README examples, enhancing the expression parsing to allow for ranges and lists in the same expression, and correcting a regression related to literal conversions. They also added support for numerals with leading zeros and for handling ranges with large steps, refining the library's ability to correctly interpret and process cron expressions.
croncron-expressionphp
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