what is the Byte size range of signed and unsigned data operators?
Software Engineer Data Interview Questions
438 software engineer data interview questions shared by candidates
What is address space in the OS?
Just look up Blood Donation Supply-Demand Analysis Problem SQL query. They also asked me to code up a basic Python class that filtered and sorted data.
1) Kafka Exactly Once Internals 2) Spark Structured Streaming state management
Problem :Design an org-chart server. Server (preferably multi-threaded) reads the sample file containing employee data. File format: Its semi-colon separated, the first field is the employee-id, 2nd field is name [can be space separated] & the 3rd field is his manager’s id. employee-id will be equal to reports-to-id for CEO. The file can have empty lines. If number of tokens is not equal to 3, it should ignore these lines but report a message/warning and continue. The id’s can be numbers or strings Sample file: ########### 1: CEO: 1 2: CTO: 1 3: VP Sales: 1 4: Tech Manager1: 2 5: Tech Manager2:
You have a huge file, with a big spares matrix. Transpose this matrix and export it into a file. Due to the memory limit, you can not read the whole file.
What is combiner in Map Reduce?
What's your recent project. Explain how did you do it?
The questions on glider was confusing and explanation was quite bad. Also personally I hated the IDE. Question 2 : Was on shelf in a supermarket where you can only pick an item from the left or the right. The first item from each side is fixed and you need to find the best combination where you get the max value (Sorry cant remember the question that much) Question 1 : Didnt even understand. Was about a dog being stuck in caged which were represented by * and -, where - were spaces in the fence
In codility test they asked me to code in Java script. I am data engineer how can I do coding in Javascript. I know language is similar like java but the problem statement was for web developement guy. Also there was no option to change language in codility. This was not good at all. I contacted recruiter 3 times after that but no reply from them. Please its request to recruiters to be professional on this.
Viewing 421 - 430 interview questions
See Interview Questions for Similar Jobs
Data Scientist IiiMachine Learning Research EngineerSenior Computer Vision EngineerIntern Data ScientistMachine Learning DeveloperMachine Learning SpecialistMachine Learning EngineerJunior Data ScientistData Scientist, ProductMachine Learning Research ScientistMachine Learning Software EngineerAi Software EngineerSoftware Research EngineerData Scientist TraineeSoftware Engineer Machine LearningData Science EngineerData ScientistsSenior Data Scientist