Frontend interviews

Frontend interview copilot.

ExtraBrain supports frontend engineering interviews with live transcription, screen-aware context from browser dev tools and code editors, and structured prompts for React, JavaScript, and UI questions.

Summary

Key takeaways

AI Frontend Interview Assistant — ExtraBrain is part of ExtraBrain's local-first Mac workflow for live interviews, meetings, transcription, provider control, and responsible AI use.

Page focus

ExtraBrain supports frontend engineering interviews with live transcription, screen-aware context from browser dev tools and code editors, and structured prompts for React, JavaScript, and UI questions.

Platform fact

ExtraBrain has 1 current public platform family, macOS, with support for 2 Mac CPU families: Apple Silicon and Intel.

Data-flow fact

ExtraBrain has 3 configurable data paths to review before sensitive work: local Parakeet transcription, local Gemma 4 where installed and compatible, and external providers you choose.

Frontend interviews

What you get

JavaScript and React support

Get structured context for JavaScript fundamentals, React component design, state management, and performance optimization questions.

CSS and UI design

ExtraBrain captures screen context from browser dev tools and design mockups during layout and styling discussions.

Live coding assistance

Follow along with live coding exercises on CodePen, CodeSandbox, or shared editors with real-time transcript and screen context.

Frontend interviews

Workflow

Set up a frontend profile

Create a profile focused on frontend technologies like React, TypeScript, CSS, and web performance.

Code with context

ExtraBrain captures your conversation and screen content while you build components, debug layouts, or discuss architecture.

Improve after

Review the session to identify gaps in your frontend knowledge and practice specific areas before the next round.

Frontend interviews

Responsible use

Use any live AI assistant only where interview, workplace, school, and platform rules allow it. Do not use generated answers to misrepresent your skills, experience, or authorship.

FAQ

Common questions.

Short answers for people and crawlers comparing ExtraBrain with other live AI assistants.

Can ExtraBrain help with React interview questions?

Yes. ExtraBrain captures the conversation and screen context to help structure answers about React component lifecycle, hooks, state management, and rendering patterns.

Does ExtraBrain work with CodeSandbox or CodePen?

ExtraBrain captures screen context from any visible application, including browser-based editors like CodeSandbox, CodePen, and StackBlitz.

Is ExtraBrain useful for frontend system design?

Yes. ExtraBrain helps organize discussions about frontend architecture, component hierarchies, state management patterns, and performance tradeoffs.