AEM Frontend Developer
The Interview was conducted virtually and primarily focused on JavaScript and React. The discussion involved practical questions, output-based problems, and real-world scenarios to assess problem-solving and hands-on experience. The role is for their in-house project, and the interview emphasized understanding of implementation and debugging approaches
Interview process
Round-by-round breakdown
Primarily focused on JavaScript and React. The discussion covered core concepts like closures, async/await, event loop, prototype chain, and scenario-based problem solving. On the React side, questions included hooks, useEffect, reconciliation, and component re-rendering strategies.
🅰️ How to create component?
🅰️ How to create page and template?
🅰️What is the use of clientlib file?
🅰️ How to run AEM clientlib?
🅰️ What is the command to compile AEM code?
✅ What is closer? Example output based question.
✅ What is async/await and promises?
✅ What is event loop and microtask/microtask? output based question.
✅ Prototype and Prototype chain? Coding output based question.
✅ How to debug any error in the code? Explanation.
🎯 Console logs, Chrome DevTools, Breakpoints, Network tab
✅ Networking calling in the JavaScript.
⚛️What are the hooks and explain?
🎯 Hooks are functions that allow using state and lifecycle features in functional components. ✅ Important Hooks useState useEffect useContext useRef
⚛️Difference between Class and Function based component.
⚛️What is React Fiber architecture?
🎯Fiber is React’s architecture that enables incremental rendering and prioritization of updates.
⚛️What is reconciliation process in React?
🎯 React compares old and new virtual DOM and updates only changed parts.
⚛️Scenario based question like how to re-render child component even after no props are change.
🎯Use key or state change. <Child key={count} />
⚛️useEffect and cleanup function.
🎯 useEffect handles side effects, and cleanup function runs when component unmounts or before re-running effect. useEffect(() => { const handler = () => console.log("resize"); window.addEventListener("resize", handler); return () => { window.removeEventListener("resize", handler); }; }, []);
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