Christina Long is a Senior Software Engineer with five years of experience designing and shipping polished web interfaces at Microsoft, currently leading the Loop Copilot integration and architecting its Reactions feature. She progressed through roles building and unifying the commenting UI across Word, Excel, and PowerPoint, demonstrating strong cross-app product thinking and front-end ownership. Christina contributes to prominent open-source projects like Sentry, where she improved account settings and error messaging in a React/TypeScript codebase and helped harden backend project creation logic. She blends hands-on TypeScript/React expertise with product-minded architecture, comfortable driving features from UI polish to backend validation. Known for improving user experience in large-scale productivity products, she pairs Dartmouth-trained engineering fundamentals with practical delivery in enterprise software.
5 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Engineering Modified with Computer Science, Bachelor's degree, Engineering Modified with Computer Science at Dartmouth College
Developer-first error tracking and performance monitoring
Role in this project:
Full-stack Developer
Contributions:304 reviews, 318 PRs, 683 pushes in 9 months
Contributions summary:Christina primarily contributed to the user interface of the Sentry platform. They made substantial changes to the front-end components, specifically focusing on account settings and error messaging, to improve the user experience. The changes involved modifying React components written in Typescript and also involved changes to back-end project creation to reject project names with reserved slugs.
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Christina Long - Senior Software Engineer at Microsoft