Wissen Technology | Frontend Developer | August 2025 | 3.5 YOE
Wissen TechnologyFrontend Developer💼 3.5 YOE
Summary
I recently interviewed with Wissen Technology for a Frontend Developer role and cleared the first round of interviews. The questions covered React concepts, state management, and practical coding prob...
Interview Experience
I recently interviewed with Wissen technology for a Frontend Developer role. Here’s my experience and the questions asked in the 1st Round of Interview. - What is the difference between functional components and class components ? - Why should developers still learn about class components even thou...
Interview Questions (22)
Functional vs Class Components
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Class Components Relevance
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Flatten Nested Array
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CamelCase to Capital Snake Case
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State Manipulation
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Closure in JavaScript
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State Management Libraries
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Need for State Management
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Props Drilling and React Context
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Disadvantages of React Context
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Redux Toolkit Setup
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React Hooks Experience
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useMemo vs useCallback
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React Performance Improvement
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Virtual DOM in React
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Virtual DOM Comparison
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React Reconciliation Algorithm
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Server-Side Rendering (SSR) Experience
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React Default Rendering Model
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SSR vs CSR
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Hydration in React
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React Suspense
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