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Frontend Software Engineer Interview Questions

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8,918 frontend software engineer interview questions shared by candidates

1. Convert String to number. 2. Get integer and decimal part of string. 3. What’s an alternate way to convert string to number besides Number() and get the integer part only? 4. How does parseInt() work internally? 5. What are the arguments it takes?
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SDE-2 Frontend Developer

Interviewed at Newton School

3.8★
Jul 30, 2025

1. Convert String to number. 2. Get integer and decimal part of string. 3. What’s an alternate way to convert string to number besides Number() and get the integer part only? 4. How does parseInt() work internally? 5. What are the arguments it takes?

For NDA reasons I will NOT include exact questions but will give an idea of what it is. 1. Call with Technical Recruiter - went through my experience, why I am looking for a new job position, etc. 2. Frontend Technical Screening included modern frontend technologies (TypeScript, React, Redux, etc) and general knowledge of what frontend development is. 3. React Live Coding included an implementation of 2 React components based on product requirements. 4. System design - given functional requirements, quickly present non-functional requirements, draw high-level design diagram for frontend and backend and at the very end dive into one topic, e.g. database, performance of the app 5. Values Interview - Tell me things you do at your current company right now, give me examples of communication between teams At this stage I got a rejection so will not expand what other stages have
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Senior Software Engineer - Frontend

Interviewed at GetGround

3.7★
Jan 14, 2024

For NDA reasons I will NOT include exact questions but will give an idea of what it is. 1. Call with Technical Recruiter - went through my experience, why I am looking for a new job position, etc. 2. Frontend Technical Screening included modern frontend technologies (TypeScript, React, Redux, etc) and general knowledge of what frontend development is. 3. React Live Coding included an implementation of 2 React components based on product requirements. 4. System design - given functional requirements, quickly present non-functional requirements, draw high-level design diagram for frontend and backend and at the very end dive into one topic, e.g. database, performance of the app 5. Values Interview - Tell me things you do at your current company right now, give me examples of communication between teams At this stage I got a rejection so will not expand what other stages have

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