Fancode | SDE 1 - Frontend | Interview Experience

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· SDE 1 - Frontend· 2.58y exp
April 14, 2026 · 1 reads

Summary

I applied to Fancode for an SDE 1 Frontend role, completed an online assessment and two technical rounds, but was ultimately rejected.

Full Experience

Expirence: 2 Years 7 Months
Current Company: 3-Tier Service based company

I applied through linkedin and got OA link.

Online Assessment: Javascript (90 mins)-
1- One objective question based on promises
2- There were 3 implementation questions
  - Limit Promise Concurrency: Implement a function that dynamically manages the concurrency limit while processing multiple promises.
  - Remove Circular Dependency: Write a function to remove circular dependencies from a given object.
  - Polyfill for setAllTimeout and clearAllTimeout: Implement a polyfill for both these functions.
3. Implentation of Todo list (CURD operations) in React

Technical Interview Process:
Round 1: Problem Solving (60 mins)- This interview was based on javascript and requires you to write and execute code. The interview mainly revolved around Promises, caching concepts, and how to handle concurrent requests.

Round 2: Machine Coding Round (60 mins) - This interview was around web/react/react-native fundamentals where The interview was focused on web, React, and React Native fundamentals. I was given a UI to implement live, and they expected it to be fully working.

However, I got stuck while implementing part of the UI and was not able to fully complete the solution within the given time.

Verdict: Rejected

Interview Questions (4)

1.

Limit Promise Concurrency

Data Structures & Algorithms

Implement a function that dynamically manages the concurrency limit while processing multiple promises.

2.

Remove Circular Dependency

Data Structures & Algorithms

Write a function to remove circular dependencies from a given object.

3.

Polyfill for setAllTimeout and clearAllTimeout

Data Structures & Algorithms

Implement a polyfill for both setAllTimeout and clearAllTimeout functions.

4.

React Todo List Implementation

Data Structures & Algorithms

Implement a Todo list with CRUD operations in React.

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