New Relic Senior Software Engineer Interview Questions and Answers

Q1. Basic java 8 concepts
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Q2. Basic spring boot questions
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Q1. Project discussion and basic java spring technical questions
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It was a simple coding test.

There was a small coding problem involving oops concepts..

Q1. There was a simple System Design problem specifically URLShortener
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Q1. There was discussion about previous projects
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Q1. Rotate matrix by 90 degree
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Rotate a matrix by 90 degrees.
• Transpose the matrix

• Reverse each row of the transposed matrix
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Q2. Longest substring with unique characters
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The question asks for finding the longest substring in a given string that contains only unique characters.
• Iterate through the string and keep track of the current substring

• Use a set to check for duplicate characters

• Update the longest substring if a longer one is found
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Q1. A trie question
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Ecommerce hight level design

Q1. Node JS internal
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Q2. Previous project discussion
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1 hr, Java questions, SQL question, 1 DSA question

Q1. LLD about Hotel Booking system
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Q1. Discussed about the project
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Mettle Test based on DP based approach

Q1. Based on Tree, Graph, Segment Tree
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Q1. DS algo based on DP, Trees, Graphs
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Q1. Systed Design Round 1
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Q2. Design a Distributed Queue to have functionality similar to Kafka.
Ans. 
Design a distributed queue similar to Kafka.
• Use a distributed architecture with multiple brokers and partitions.

• Implement a publish-subscribe model for producers and consumers.

• Ensure fault tolerance and high availability through replication and leader election.

• Use a log-based storage system for messages and offsets.

• Provide support for message ordering and retention policies.

• Implement a scalable and efficient message de...read more
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Q3. Design Price Tagger System
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Design a Price Tagger System
• Identify the products to be tagged with prices

• Determine the pricing strategy (e.g. cost-plus, value-based, etc.)

• Choose the appropriate tagging technology (e.g. barcode, RFID, etc.)

• Develop a user-friendly interface for tagging and updating prices

• Implement a database to store product and pricing information

• Integrate with point-of-sale systems for accurate pricing at checkout
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Q1. Design Search Systems
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Designing search systems involves creating efficient algorithms and data structures to quickly retrieve relevant information.
• Understand the data structure of the search system (e.g. inverted index, trie)

• Implement efficient search algorithms (e.g. binary search, hash tables)

• Consider scalability and performance optimization techniques (e.g. caching, indexing)

• Include user-friendly features like autocomplete and spell corr...read more
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