Cognitio Analytics Senior Software Developer Interview Questions and Answers

Basic knowledge required for the Aptitude Test. You need to understand the questions and their technicality and then each question is very easy.

Need to focus more on the SQL Queries and some average coding skills. This test is used to check the code understanding of the candidate.

Little more complex problems, need to understand the logic and some complex SQL Queries.
More Focus on JOINS in SQL.

First there will be a topic given to you to write an article of length 300-400 words in 15 mins. This article writing is to check your knowledge of English language.
Then there is a 45 mins round test in which 40 questions will be asked.
20 Technical and 20 Programming.
The programming questions will be from C++, and you are required to choose the correct output of the given C++ program.
The technical aptitude questions were medium to hard.

Q1. It's a 1:30 hr round. In this part, there will be 4 coding questions from arrays topic which you can solve with any programming language you know. Along with this, you will have 2 questions from SQL and e...read more
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40 Minutes. 40 Question in office Test.
20 Questions Programming related and 20 Questions Aptitude

There was total of 40 questions
First 20: Aptitude based topics like time and work, profit and loss, speed and distance
Second 20: Programming MCQs based on C, C++ and python. Task is to guess the correct output and errors.

There were 4 coding questions based on array, 2 SQL queries and one article.
Coding questions were easy for batch 2 but difficult for batch 1. Star patterns are present in batch 1.
SQL queries were easy.
One article (200-300)words. Topics was Google maps.

Q1. Founder came and asked approach I used to solve coding questions in round 2. He then check the output for each question. Then he checked the SQL queries I have written, in which I had write two wrong queri...read more
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Q2. He asked me about different approaches to solve a problem
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Q3. He asked about the project I had done on Java Full stack.
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Basic Aptitude question were asked around 20 Question of Aptitude and 20 of basic debugging of C language code. Before aptitude there was a essay writing on "factors which increases the market of E-commerce platforms"

There were 4 coding question and 2 SQL questions. Basic pattern printing question and easy question of leetcode were there in coding and in SQL from "joins" topic.

Same as the previous round more question of Coding and SQL, plus in the starting they would ask about your tech stack and then assign you a stack for the same.

MCQ - 20 (aptitude), 20(c+ and sql)

Pattern, array and sql questions

It consists of basic aptitude questions and some coding output questions followed by basic SQL questions. Overall the difficulty level was medium.

Q1. They asked me to write code for 4 problems. All questions consists array medium level and then there are difficult SQL questions to solve. Unfortunately I couldn't passed this round. But it was a great lea...read more
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Mathematical and logical questions including distance -time, work -time, reasoning, blood relation etc

Q1. Database queries including joins.
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DSA moderate question like string reverse, string rotation, frequency of letter in a string.