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Software Development Engineer Ii Interview Questions

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2,268 software development engineer ii interview questions shared by candidates

Round 1 – DSA + Resume Based Questions • Covered Data Structures & Algorithms. • Resume-based technical questions on Redis, Kafka, RabbitMQ, etc. • I performed well and was confident I would get a callback after this round. ⸻ Round 2 – Database Design • Problem: Design a Flight Booking System. • Discussed schema design, handling concurrency, and indexing strategies. • Interviewer was helpful and collaborative. • Good technical discussion. ⸻ Round 3 – System Design • Problem: Design BookMyShow. • Similar discussions around concurrency handling and indexing. • Interviewer had good knowledge and it was an engaging conversation. ⸻ Round 4 – System Design with Director of Engineering • Director joined 20 minutes late. • Audio was unclear; I had to ask for repetition multiple times. • I requested him to write the questions for clarity. • Question: Design Facebook Messenger, broken into 3 parts. • I started solving first and second parts together for efficiency, but the interviewer got annoyed, insisting I solve and discuss each part strictly in sequence. • I explained my approach, but he seemed uninterested and irritated, which impacted the overall discussion. ⸻ Overall Experience: • First 3 rounds were positive, with knowledgeable interviewers and good discussions. • The final round felt rushed and communication issues led to a negative experience.
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Software Development Engineer (SDE) II

Interviewed at Park+ (India)

4★
Aug 14, 2025

Round 1 – DSA + Resume Based Questions • Covered Data Structures & Algorithms. • Resume-based technical questions on Redis, Kafka, RabbitMQ, etc. • I performed well and was confident I would get a callback after this round. ⸻ Round 2 – Database Design • Problem: Design a Flight Booking System. • Discussed schema design, handling concurrency, and indexing strategies. • Interviewer was helpful and collaborative. • Good technical discussion. ⸻ Round 3 – System Design • Problem: Design BookMyShow. • Similar discussions around concurrency handling and indexing. • Interviewer had good knowledge and it was an engaging conversation. ⸻ Round 4 – System Design with Director of Engineering • Director joined 20 minutes late. • Audio was unclear; I had to ask for repetition multiple times. • I requested him to write the questions for clarity. • Question: Design Facebook Messenger, broken into 3 parts. • I started solving first and second parts together for efficiency, but the interviewer got annoyed, insisting I solve and discuss each part strictly in sequence. • I explained my approach, but he seemed uninterested and irritated, which impacted the overall discussion. ⸻ Overall Experience: • First 3 rounds were positive, with knowledgeable interviewers and good discussions. • The final round felt rushed and communication issues led to a negative experience.

First one was to convert Roman to Integer, 2nd one was about You are given trains, stations, arrival and departure, and given source and destination station, you need to return the trains which are available in that route in non-decreasing order of time taken to reach destination.
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Software Development Engineer (SDE) II

Interviewed at Cashfree

3.7★
Jun 30, 2025

First one was to convert Roman to Integer, 2nd one was about You are given trains, stations, arrival and departure, and given source and destination station, you need to return the trains which are available in that route in non-decreasing order of time taken to reach destination.

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