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      Petrotec

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      Senior Software Engineer Interview

      13 Nov 2025
      Anonymous employee
      Mumbai
      Accepted offer
      Positive experience
      Easy interview

      Application

      I interviewed at Petrotec (Mumbai)

      Interview

      Face-to-Face Technical & Coding Round Process Technical Discussion (20–30 min) Core Java (OOPs, Collections, Multithreading) Spring Boot & Microservices (REST, Eureka, Gateway, JWT) Database (SQL, JPA, joins) Project discussion & architecture Coding Round (20–30 min) Solve 1–2 problems (LeetCode easy/medium): e.g. Two Sum, Reverse Linked List, Valid Parentheses Explain logic, optimize code, and discuss complexity System Design / Scenario (10–15 min) Example: Design a User Authentication Service Discuss scaling, APIs, DB structure HR/Behavioral (5–10 min) “Tell me about yourself” “Why change company?” “Strengths & challenges”

      Interview questions [1]

      Question 1

      why your looking for change
      1 Answer

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