Jonathan Grimes
Principal Software Engineer at ISS | Institutional Shareholder Services
Norman, Oklahoma, United States
Summary
👤
Senior🎓
Top SchoolJonathan Grimes is a Principal Software Engineer with 25 years in software development and the last 15 focused on client-side and UI engineering, currently splitting leadership roles at WayBetter and ISS. He specializes in modern JavaScript stacks (React, node.js, HTML/CSS) and has a history of quickly mastering languages from C++ to Java, plus mentoring and elevating engineering teams. Jonathan has architected and migrated complex front-end systems—most notably an LMS and student housing apps—and contributed practical fixes to popular open-source React libraries to improve routing and PDF annotation behaviors. Based in Norman, Oklahoma, he blends hands-on coding with architectural direction and a knack for improving developer workflows and product resilience. An understated strength is his attention to cross-document compatibility and resource cleanup in front-end components, reducing subtle runtime and UX issues.
14 years of coding experience
19 years of employment as a software developer
Bachelors, Computer Science, Bachelors, Computer Science at University of Oklahoma
Github Skills (13)
component-development10
url-routing10
pdfjs10
javascript10
front-end-development10
react10
react-component9
props9
prop9
pdf-viewer9
react-components9
highlighting9
testing8
Programming languages (18)
Github contributions (5)
STRML/react-router-component
Feb 2015 - Mar 2018
Declarative router component for React.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 commits, 13 PRs, 70 comments in 3 years 1 month
Contributions summary:Jonathan primarily focused on improving the React-Router-Component library by addressing several key issues and enhancing its functionality. Their work included fixing an infinite loop issue, correcting a potential router logic error, and ensuring the correct handling of routes, particularly in scenarios involving sub-routes. Additionally, the user updated the component's propType specifications to align with current React practices and improve compatibility with ES6 module imports. They also addressed spacing and formatting inconsistencies.
reactdeclarativeroutinghigher-order-componentreact-router
agentcooper/react-pdf-highlighter
Jul 2020 - Sep 2020
Set of React components for PDF annotation
Role in this project:Front-end Developer
Front-end DeveloperContributions:18 commits, 2 PRs, 27 comments in 1 month
Contributions summary:Jonathan primarily focused on enhancing the React-based PDF highlighting component. They addressed issues related to document loading and resource management by implementing solutions to prevent loading empty URLs and ensuring proper cleanup. The user also worked on improving the component's responsiveness by handling resizing events and making it more cross-document compatible. Their contributions involved refining core functionality and improving the overall user experience.
reactpdfreact-pdfpdf-viewerannotator
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