PayPal Interview Experience Compensation: 50L + 6 Position: Software Engineer 3 Application Method: Referral 𝗥𝗼𝘂𝗻𝗱 𝟭: 𝗢𝗻𝗹𝗶𝗻𝗲 𝗦𝗰𝗿𝗲𝗲𝗻𝗶𝗻𝗴 (𝗛𝗮𝗰𝗸𝗲𝗿𝗘𝗮𝗿𝘁𝗵) - Duration: 75 minutes (2 Problems) - Problems: Max Tasks That Can Be Completed in Given Budget (50 Marks) - Beautiful Numbers - HackerEarth (100 Marks) 𝗥𝗼𝘂𝗻𝗱 𝟮: 𝗖𝗼𝗱𝗶𝗻𝗴 (𝗩𝗶𝗿𝘁𝘂𝗮𝗹) - Problems: Reverse Substrings Between Each Pair of Parentheses - Water Jug Problem (variation of Two Water Jug Puzzle – GFG) 𝗥𝗼𝘂𝗻𝗱 𝟯: 𝗝𝗮𝘃𝗮 & 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀 - Topics Covered: Java Streams API (filter, collect to list, group by) - SQL: Second highest marks using the RANK function - POJO creation — how to make it immutable - Comparable vs Comparator - String immutability and advantages - Java Collection Hierarchy - HashMap collision handling + Java 8 improvements - Spring: Bean life cycle - Autowiring methods - Bean scopes - @SessionScope annotation - @ControllerAdvice - Spring Batch – overview - REST & APIs: REST vs SOAP - PUT vs PATCH - REST request/response structure - HTTP status codes (2xx, 4xx, 5xx) - API Maturity levels 𝗥𝗼𝘂𝗻𝗱 𝟰: 𝗛𝗶𝗿𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 𝗥𝗼𝘂𝗻𝗱 - HLD: Design Twitter-like system - Discussed chosen components and trade-offs - Deep dive into resume projects - Standard behavioral questions *React ❤️ for more*