Freecharge

Freecharge is a digital payment platform based in India that provides online recharge and utility bill payment services. It allows users to recharge their prepaid mobile phones, pay utility bills, and make various other payments through their website and mobile application.

Interview Questions for Freecharge

1. Design a Least Recently Used (LRU) cache.

2. Explain Executor Service and provide a code example.

3. Explain the Virtual DOM.

4. How will you handle communication between cross-functional teams?

5. Given a list of stock prices, how would you determine the maximum profit that could be earned by buying and selling the stock?