Zepto

Role: Software Development Engineer II (SDE-2 Frontend)

College: Not Specified

Interview Date: November 24, 2024

Interview Type: Full-Time

Result: Position on Hold

Difficulty: Medium to Hard

Rounds: 2 technical rounds

Topics Asked: JavaScript Fundamentals, React, Event Loop, Promises, Async/Await, Hoisting, Closures, Prototypes, 'this' keyword, UI Design, Scalability, Maintainability, DOM Manipulation, Event Handling

Experience:

This interview experience for an SDE-2 Frontend position focused heavily on core JavaScript concepts, problem-solving, and UI design.

Round 1: Technical Interview (JavaScript)

The round started with a discussion about professional experience, key projects, and technologies.

• Question 1: Implementing Infinite Currying in JavaScript.
• Question 2: Creating a Countdown Timer in JavaScript with functionalities like managing time-based operations, DOM manipulation, and event handling, using `setInterval`, state management, and clear time formatting logic.

The candidate cleared this round.

Round 2: React-Focused Technical Interview

This round focused on React-specific challenges and design discussions.

• Question 1: Creating a Stepper component in React.
• Question 2: Traffic Light Simulation in React.

After presenting the initial solution, the discussion shifted towards making the form more scalable and maintainable, emphasizing a form configuration object for dynamic generation. Topics included how to extend or modify the form by updating the configuration and maintaining modular, clean code.

Outcome: After successfully clearing both technical rounds, the candidate received a follow-up call from Zepto, but the position was placed on hold, and they could not proceed further.