Vladyslav Bozhko

Vladyslav Bozhko is a software engineer who has been working at Superhuman for seven years. During his tenure, he has worked on multiple key Superhuman products, including Grammarly Editor, Grammarly for Mac, and the Superhuman Go browser extension. Although he is currently working as a full-stack engineer, he has spent the majority of his career working on highly interactive, large-scale production React applications serving millions of Superhuman users.

Superhuman (ex-Grammarly), Germanydrakosvlad www.linkedin.com/in/vladyslavbozhko

Splitting the Atom: Lessons From Dividing Our Codebase and Shipping It in a Browser Extension

React Day Berlin 2026

Upcoming

Splitting the Atom: Lessons From Dividing Our Codebase and Shipping It in a Browser Extension

A couple of weeks after shipping our part of a monolith React application, we learned it now needed to run in the Grammarly for Chrome browser extension—and fast. Dive with us into a story about what to expect from such a transition, the intricacies of cross-context communication, and the pitfalls of the extension lifecycle. Will the architecture, the design patterns, and a reactive approach save the day once again, or was the project doomed from the inception?

architecture