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Tekion

UI developer

Promise Polyfill

Hard

Pure Frontend fundamentalscodingCandidate Not Selected

Write a Promise polyfill and provide real use cases where it might be applied.

This question was asked in

Tekion UI developer Interview Experience

The interview process at Tekion consisted of two main rounds focusing on frontend fundamentals and high-level design (HLD). Candidates faced a variety of questions covering topics from JavaScript execution to React component lifecycle, as well as design considerations for a scalable UI system. Overall, the difficulty level of the interview was medium, with a mix of theoretical and practical applications, reflecting Tekion's emphasis on strong frontend expertise.