Alation Interview Questions and Answers

A generic problem solving scenario.

Q1. Detailed design of a common problem.
Ans. 
Designing a URL shortening service to convert long URLs into short, manageable links.
• Define the core functionality: Accept long URLs and return a shortened version.

• Use a hash function to generate unique keys for each URL, e.g., MD5 or SHA-256.

• Implement a database to store mappings of short URLs to long URLs.

• Create a redirection service that takes a short URL and retrieves the original URL.

• Consider adding features like ...read more
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Q1. Mostly involving microservices.
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Q1. Scenario based testing and debugging
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Q1. One leetcode involing bucket sort
Ans. 
Bucket sort is an efficient sorting algorithm that distributes elements into buckets and sorts them individually.
• Bucket sort works by dividing the input array into a finite number of buckets.

• Each bucket is then sorted individually, either using a different sorting algorithm or recursively applying bucket sort.

• For example, if sorting the array [0.23, 0.45, 0.12], we can create 10 buckets for the range [0, 1).

• After distr...read more
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Q1. Basic question on Why to join
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Q1. Past experience
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Q2. Current expectation
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Link for an Hacker rank test provided with a mix of Medium & Hard Leetcode style problems

Full-Stack Application assignment was provided

Q1. Frontend Related Questions
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Q1. Backend Related Questions
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Q1. System Design Fundamentals
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Q1. About your role in current projects
Ans. 
I lead projects, collaborate with teams, and ensure timely delivery of high-quality software solutions.
• Led a team of 5 developers in building a scalable e-commerce platform, improving load times by 30%.

• Collaborated with product managers to define project requirements and prioritize features based on user feedback.

• Implemented CI/CD pipelines that reduced deployment time from hours to minutes, enhancing team productivity...read more
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Q1. Explained About Company Culture and Company roles and about Manager
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