Rails Developer Interview Questions

841 rails developer interview questions shared by candidates

Round 1 : 60 mins coding test on their own portal with moderate questions. Round 2 : 1. Identify Circular Linked List or not with optimization. 2. Palindrome with linked list 3. What is rate count in API how to implement it. 4. Diff between Rest and Soap 5. What is static and dynamic language 6. Http verbs 7. Sql query for users, language and mapping table, find username who speaks more than 3 language. 8. Http response status 400 series 9. OAuth Round 3 : Design Database for Exam and question, one exam can have multiple questions and question can have 3 types, 1: multi choice 2. true false 3. match the answer. you need to store all options and it's answer as well. What is indexing, it's type and advantage and disadvantage SQL Query : You have rows with timestamp, get number of entries in last 24 hrs group by 1 hr. Round 4 : 1. What is the reason behind leaving all previous companies?(Be care full while answering this, it went negative for me) 2. When to use SQL and NoSql 3. Design whatsapp server side in 5-10 mins. Round 5 : Asked about my thesis research and how do you approach today with same problem.
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Software Engineer - Ruby On Rails

Interviewed at Coupa Software Inc

3.5
May 28, 2020

Round 1 : 60 mins coding test on their own portal with moderate questions. Round 2 : 1. Identify Circular Linked List or not with optimization. 2. Palindrome with linked list 3. What is rate count in API how to implement it. 4. Diff between Rest and Soap 5. What is static and dynamic language 6. Http verbs 7. Sql query for users, language and mapping table, find username who speaks more than 3 language. 8. Http response status 400 series 9. OAuth Round 3 : Design Database for Exam and question, one exam can have multiple questions and question can have 3 types, 1: multi choice 2. true false 3. match the answer. you need to store all options and it's answer as well. What is indexing, it's type and advantage and disadvantage SQL Query : You have rows with timestamp, get number of entries in last 24 hrs group by 1 hr. Round 4 : 1. What is the reason behind leaving all previous companies?(Be care full while answering this, it went negative for me) 2. When to use SQL and NoSql 3. Design whatsapp server side in 5-10 mins. Round 5 : Asked about my thesis research and how do you approach today with same problem.

You are running a car wash. Here are the rules: - Your car wash accepts cars and trucks. - You charge $5 for cars. - You charge $10 for trucks. - Your car wash charges $2 extra if the truck has mud in the bed. - Your car wash does not accept trucks with the bed let down. - If the vehicle comes in a second time, they get 50% off. - If the license plate equals 1111111, the vehicle is stolen and does not get a car wash.
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Ruby On Rails Developer

Interviewed at Linux Academy

4.1
Aug 25, 2017

You are running a car wash. Here are the rules: - Your car wash accepts cars and trucks. - You charge $5 for cars. - You charge $10 for trucks. - Your car wash charges $2 extra if the truck has mud in the bed. - Your car wash does not accept trucks with the bed let down. - If the vehicle comes in a second time, they get 50% off. - If the license plate equals 1111111, the vehicle is stolen and does not get a car wash.

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