Do you understand how databases and APIs work, and how data circulates between components?
Senior
169
Frontend
6388
681
What is cross-browser compatibility and how to solve CSS compatibility issues between browsers?
Middle+
168
Were there any dependency issues when using Module Federation?
Middle
163
What is the difference between useEffect and useLayoutEffect? When should useLayoutEffect be used?
Middle+
161
How interested are you in product development, or are you more interested in DevX, configuration, and platform tasks?
Middle+
158
How did you identify bottlenecks on a page with many cameras and how did you determine what exactly needed optimization? How deep did you profile?
Middle+
158
Tell me more about micro frontends: which framework, how was the architecture designed?
Middle
157
What is accessibility on the web? What attributes and HTML elements are used to ensure accessibility?
Middle+
156
Have you used Next.js? For what purposes and which features did you apply (SSR, SSG)?
Middle
155
In which cases should React.memo be used?
Middle
153
What happens to the component when the key changes? Explain the lifecycle of functional components.
Middle
153
Task №6: what will this piece of code return (calling an arrow function via the new operator)?
Middle
153
What tools did you use for working with styles?
Middle
151
How will an interactive element or pagination work in an SSR dashboard: will it require a full page reload or is another mechanism possible?
Middle+
151
Have you found a use for useCallback?
Middle
151
What are your salary expectations?
Senior
150
What is Virtual DOM and what is it used for?
Middle
149
What is the purpose of the key attribute in React when rendering lists?
Middle
146
Are you familiar with TypeScript? What are utility types, and can you give examples?
Middle
145
Is JavaScript a multi-threaded programming language?
Middle
143