Frontend Engineer

Build a React + TypeScript single-page application to fetch and display stock data from a given API. The application should include paginated data tables, summary statistics (such as the lowest value, the average open price for 2006, and the longest positive streak where close > open), and an interactive user interface with a focus on performance, modular architecture, and clean code practices.

Given a string input of length n, find the length of the longest substring without repeating characters i.e return a substring that does not have any repeating characters.

Substring is the continuous sub-part of the string formed by removing zero or more characters from both ends.

Create a debounced utility function in JavaScript.

Design a scalable frontend architecture for a travel booking website (similar to Agoda) that can handle high traffic, support micro-frontends, provide SEO-friendly rendering (SSR/SSG), and include performance optimizations.

• How do you ensure your team follows best coding practices?
• Have you ever disagreed with product or design decisions? How did you handle it?
• What’s your approach to mentoring junior developers and scaling a team?
• What do you think about the future of frontend development over the next 3–5 years?
• How do you balance fast delivery with long-term maintainable architecture?