Amex | Engineer II
Interview Experience
Interview Experience - American Express YOE: 2.5 years Round 1 (Technical - DSA & Machine Coding) DSA: Combination Sum problem. Machine Coding (React): \u2022\tBuild a carousel with data fetching. \u2022\tImplement 5-second delay per item, with pause...
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Interview Experience - American Express
YOE: 2.5 years
Round 1 (Technical - DSA & Machine Coding)
DSA: Combination Sum problem.
Machine Coding (React):
\u2022\tBuild a carousel with data fetching.
\u2022\tImplement 5-second delay per item, with pause & play functionality.
Round 2 (Technical - Java, JS, React)
\t\u2022\tProject
Deep Dive Discussed design, optimizations, and challenges.
\t\u2022\tJava Stream APIs: 2 Coding problems, order of operations, forEach, and terminal operations.
\t\u2022\tFunctional Interfaces: Supplier, Predicate, and general usage.
\t\u2022\tJavaScript:
\t\u2022\tPromise-related coding
\t\u2022\tDeep cloning (structural cloning)
\t\u2022\tReact: Latest version features and updates.
\t\u2022\tAdditional Java & JS Questions.
Round 3 (Techno-Managerial)
\t\u2022\tHigh-Level Design (HLD): Payment gateway (only discussion).
\t\u2022\tUPI discussion
\t\u2022\tHow does redirect happen from gateway back to the app?
\t\u2022\tBehavioral Questions.