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Product Engineer Interview Questions

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7,053 product engineer interview questions shared by candidates

Round 1 – Technical Round Focused on core technical and testing fundamentals. Coding Question Find the Longest Consecutive Subsequence / Subarray SQL Queries 2–4 questions (joins, filtering, grouping, basic aggregations) XPath Write XPath for elements on the Amazon website Project Discussion Explained relevant projects worked on Role, responsibilities, tech stack, challenges Testing Concepts Types of Testing (Manual & Automation) STLC (Software Testing Life Cycle) Daily testing workflow in real-time projects Round 2 – Technical Design / Coding Round Focused on OOP concepts and exception handling. Design a Bank Application Features: Deposit Withdraw Check Balance Implementation Details Used Object-Oriented Design Implemented Custom Exceptions Example: Insufficient Balance Exception Invalid Amount Exception Evaluated: Clean code Class design Exception handling approach Round 3 – Managerial / HR Round Focused on behavioral and cultural fit. Cultural Fitment Team collaboration Work ethics Adaptability Behavioral Questions Handling deadlines and pressure Conflict resolution Learning attitude Past challenges and achievements Career Discussion Long-term goals Expectations from the role and company
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Product Quality Engineer

Interviewed at Phenom

3.6★
Jan 7, 2026

Round 1 – Technical Round Focused on core technical and testing fundamentals. Coding Question Find the Longest Consecutive Subsequence / Subarray SQL Queries 2–4 questions (joins, filtering, grouping, basic aggregations) XPath Write XPath for elements on the Amazon website Project Discussion Explained relevant projects worked on Role, responsibilities, tech stack, challenges Testing Concepts Types of Testing (Manual & Automation) STLC (Software Testing Life Cycle) Daily testing workflow in real-time projects Round 2 – Technical Design / Coding Round Focused on OOP concepts and exception handling. Design a Bank Application Features: Deposit Withdraw Check Balance Implementation Details Used Object-Oriented Design Implemented Custom Exceptions Example: Insufficient Balance Exception Invalid Amount Exception Evaluated: Clean code Class design Exception handling approach Round 3 – Managerial / HR Round Focused on behavioral and cultural fit. Cultural Fitment Team collaboration Work ethics Adaptability Behavioral Questions Handling deadlines and pressure Conflict resolution Learning attitude Past challenges and achievements Career Discussion Long-term goals Expectations from the role and company

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