Senior Software Engineer, Frontend

Zoo

Senior Frontend Engineer developing the Zoo Design Studio CAD modeling app. Collaborating on performance optimization and user experience enhancements using Typescript and React.

Posted 4/30/2026full-timeRemote • California • 🇺🇸 United StatesSenior💰 $145,000 - $195,000 per yearWebsite

Tech Stack

Tools & technologies

JavaScriptReactTypeScript

About the role

Key responsibilities & impact

Develop and optimize the frontend of our modeling app, focusing on performance and user experience
Collaborate with backend teams to design and implement robust APIs that support the app's code-driven design functionality
Enhance the app's UI/UX by leveraging Typescript, React, and XState, ensuring that the interface is both powerful and easy to use
Develop delightful CodeMirror extensions that bridge the gap between the user's code and the 3d-model
Implement advanced AST/code-mods, CodeMirror enhancements, and deep integration with WebAssembly (Wasm) for performance improvements
Utilize Xstate for state management to maintain app consistency and reliability across various user interactions
Apply a deep understanding of JavaScript and browser internals to improve app functionality and performance

Requirements

What you’ll need

B.S. in Computer Science or a related field, or equivalent professional experience
Substantial experience in frontend software development building complex, highly performant and scalable applications
Strong proficiency in Typescript and React, with a portfolio or examples of complex applications built using these technologies
Deep knowledge of JavaScript and its internal workings and performance optimization techniques
Familiarity with WebAssembly (Wasm) and its use in web applications for performance enhancements
Understanding of browser internals across major browsers (Chrome, Firefox, Chromium, Brave, etc.) and their impact on application performance and compatibility
Knowledge of Xstate or similar state management libraries

Benefits

Comp & perks

competitive equity
full benefits package which may vary by geography

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypescriptReactJavaScriptWebAssemblyXStateASTCodeMirrorperformance optimizationfrontend developmentAPI design

Certifications

B.S. in Computer Science